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Gasket Makers & Sealants

Gasket makers and sealants are used to form, repair, or reinforce gaskets and provide leak-proof seals in engines, transmissions, flanges, and various assemblies. All options are designed for chemical and fluid resistance, flexibility, and compatibility with a variety of materials. Available choices include RTV silicone formulas, anaerobic sealants, tacky or dressing types, products for high-temperature or high-pressure use, and tape or sheet materials.

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86 results
Low Volatile OEM Black RTV Silicone Gasket Maker & Sealant
Low Volatile OEM Black RTV Silicone Gasket Maker & Sealant
Meets all OEM specifications. Superior sealing with leakproof gaskets. Precise fingertip bead control. Perfect gaskets every time without gaps, lumps or air bubbles. Will not dry up in the can. Oxygen sensor safe. Operating temperatures to 450°F. 100% silicone. Electronically non-conductive. Not paintable. Available 3” extension nozzle (80-800) for better control.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
1
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Black
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
12
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Low Volatile High Temp Red RTV Silicone Gasket Maker & Sealant
Low Volatile High Temp Red RTV Silicone Gasket Maker & Sealant
Meets all OEM specifications. Superior sealing with leakproof gaskets. Precise fingertip bead control. Perfect gaskets every time without gaps, lumps or air bubbles. Will not dry up in the can. Oxygen sensor safe. Constant operating temperature 500°F. 100% silicone. Electronically non-conductive. Not paintable. Available 3” extension nozzle (80-800) for better control.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Red
8 oz.
Low Volatile, Oxygen Sensor Safe, High Temp
24 hr
Silicone
0 °F
500 °F
1
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Red
8 oz.
Low Volatile, Oxygen Sensor Safe, High Temp
24 hr
Silicone
0 °F
500 °F
12
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RTV Silicone Gasket Maker & Sealant
RTV Silicone Gasket Maker & Sealant
Meets all OEM specifications. Superior sealing with leakproof gaskets. Precise fingertip bead control. Permanently flexible from -60° to 450°F. Forms gaskets, bonds, seals, insulates. Cures to a tough, flexible, waterproof & weatherproof seal. 100% silicone. Electronically non-conductive. Available 3” extension nozzle (80-800) for better control.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Clear
8 oz.
Standard
24 hr
Silicone
-60 °F
450 °F
1
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Clear
8 oz.
Standard
24 hr
Silicone
-60 °F
450 °F
12
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White
8 oz.
Standard
24 hr
Silicone
-60 °F
450 °F
1
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White
8 oz.
Standard
24 hr
Silicone
-60 °F
450 °F
12
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Yellow
8 oz.
Standard
24 hr
Silicone
-60 °F
450 °F
1
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Yellow
8 oz.
Standard
24 hr
Silicone
-60 °F
450 °F
12
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Clear Food Grade RTV Silicone Gasket Maker & Sealant
Clear Food Grade RTV Silicone Gasket Maker & Sealant
Superior sealing with leakproof gaskets. Precise fingertip bead control. Perfect gaskets every time without gaps, lumps or air bubbles. Will not dry up in the can. Provides more gasket material, less waste. Permanently flexible from -60° to 450°F. Cures to a tough, flexible, waterproof & weatherproof seal. Adheres to various surfaces. 100% silicone. Electronically non-conductive. Not paintable. 3” Extension nozzle (80-800) available for better control.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Clear
7.25 oz.
Food Grade
24 hr
Silicone
-60 °F
450 °F
1
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Clear
7.25 oz.
Food Grade
24 hr
Silicone
-60 °F
450 °F
12
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Blue RTV Silicone Gasket Maker & Sealant
Blue RTV Silicone Gasket Maker & Sealant
Meets all OEM specifications. Superior sealing with leakproof gaskets. Precise fingertip bead control. Perfect gaskets every time without gaps, lumps or air bubbles. Will not dry up in the can. Original formula Blue Gasket Maker. Operating temperatures to 450°F. 100% silicone. Electronically non-conductive. Not paintable. Available 3” extension nozzle (80-800) for better control.
Color Volume Style Bond Time Cure Time Material Maximum Operating Temperature Package Qty Item #
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Blue
8 oz.
Standard
15 min
24 hr
Silicone
500 °F
1
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Blue
8 oz.
Standard
15 min
24 hr
Silicone
500 °F
12
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Clear RTV Silicone Adhesive Sealant
Clear RTV Silicone Adhesive Sealant
Meets all OEM specifications. Operating temperature ranges from -60° to 400°F. Forms gaskets, bonds and seals, insulates. Cures to a tough, flexible, high quality silicone rubber. Provides a transparent, waterproof & weatherproof seal. Bonds and seals frayed wires, interior panels, fire walls and dashboards. 100% silicone. Electronically non-conductive. Not paintable.
Color Volume Style Bond Time Cure Time Material Maximum Operating Temperature Package Qty Item #
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Clear
11 oz.
Standard
1 hr
24 hr
Silicone
400 °F
1
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Clear
11 oz.
Standard
1 hr
24 hr
Silicone
400 °F
12
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White RTV Silicone Adhesive Sealant
White RTV Silicone Adhesive Sealant
Meets all OEM specifications. Permanently flexible from -76 to 400°F. Forms gaskets, bonds and seals, insulates. Cures to a tough, flexible, waterproof & weatherproof seal. Adheres to glass, wood, metal, porcelain, ceramics, painted surfaces, plastic & rubber. 100% silicone. Electronically non-conductive. Not paintable.
Color Volume Style Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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White
11 oz.
Standard
Silicone
-76 °F
400 °F
1
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White
11 oz.
Standard
Silicone
-76 °F
400 °F
12
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Seal-Max™ Heavy Duty Gray RTV Gasket Maker
Seal-Max™ Heavy Duty Gray RTV Gasket Maker
Seal-Max Formula offers unmatched performance on used, contaminated surfaces. Gasoline and fuel resistant, it maintains sealing integrity despite incidental contact. Bonds through oil, displacing it for maximum adhesion. Exceptional hot oil resistance ensures sealing capability under continuous immersion. Superior sealing against engine fluids, resists weathering, ozone, moisture, UV, and high temps. Fast curing in 2-6 hours, tack-free in 20 minutes. Performs from -40°F to +600°F, intermittently to +650°F. Non-corrosive and low odor. Made in the U.S.A.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Gray
3.75 oz.
Non Corrosive, Low Volatile, Low Odor, High Temp
12 hr
Silicone
-40 °F
600 °F
1
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Gray
3.75 oz.
Non Corrosive, Low Volatile, Low Odor, High Temp
12 hr
Silicone
-40 °F
600 °F
6
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Low Volatile High Temp Red RTV Silicone Gasket Maker
Low Volatile High Temp Red RTV Silicone Gasket Maker
Meets all OEM specifications. Oxygen sensor safe. Constant operating temperature 450°F (232ºC). Formulated to withstand the highest operating temperatures. For use on late model vehicles with elevated underhood temperatures. Suitable for exhaust manifolds, cam covers, thermostat housings, and water pumps. 100% silicone, electronically non-conductive, not paintable.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Red
11 oz.
Low Volatile, Oxygen Sensor Safe, High Temp
24 hr
Silicone
-65 °F
450 °F
1
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Red
11 oz.
Low Volatile, Oxygen Sensor Safe, High Temp
24 hr
Silicone
0 °F
450 °F
12
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Black RTV Silicone Low Volatile Gasket Maker
Black RTV Silicone Low Volatile Gasket Maker
Meets all OEM specifications. Oxygen sensor safe. Operating temperatures to 400°F (204°C). Makes leakproof gaskets for engine, drivetrain & related components. Meets OEM Spec. 9985443 for superior hot oil & ethylene glycol resistance. 100% silicone, electronically non-conductive, not paintable.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
11 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
-65 °F
400 °F
1
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Black
11 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
400 °F
12
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Black Extreme Gasket RTV II Silicone Gasket Maker
Black Extreme Gasket RTV II Silicone Gasket Maker
Advanced high performance RTV Silicone formula. Immediate sealing capability and rapid cure. Parts may be put in service immediately after assembly. No costly equipment downtime. Oxygen sensor safe; low-volatile formulas. Non-corrosive on metals. Low odor. Resists oil, transmission fluid, and coolant. Superior adhesion for leak-free sealing. Flexible up to 450°F. Meets OEM 9985443. Each case includes 12 3” extension nozzles.
Container Type: Cartridge

Color Volume Style Cure Time Material Maximum Operating Temperature Package Qty Item #
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Black
11 oz.
Non Corrosive, Low Odor, Oxygen Sensor Safe
12 hr
Silicone
450 °F
1
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Black
11 oz.
Non Corrosive, Low Odor, Oxygen Sensor Safe
12 hr
Silicone
450 °F
12
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Container Type: Pressurized Can

Color Volume Style Cure Time Material Maximum Operating Temperature Package Qty Item #
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Black
8 oz.
Non Corrosive, Low Odor, Oxygen Sensor Safe
12 hr
Silicone
450 °F
1
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Black
8 oz.
Non Corrosive, Low Odor, Oxygen Sensor Safe
12 hr
Silicone
450 °F
12
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Extreme Gasket RTV III Gasket Maker
Extreme Gasket RTV III Gasket Maker
Next generation sealing with a maintenance grade formula for excellent adhesion and rapid cure time. No down time; apply and immediately put parts back into service. Temperature resistant up to 600°F. Safe for oxygen sensors and resists oils, transmission fluid, and coolant. Advanced Ultra-Can for precise control and superior bead application.
Color Volume Style Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
10 oz.
Standard
Silicone
0 °F
600 °F
1
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Black
10 oz.
Standard
Silicone
0 °F
600 °F
12
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Torque-Lok™ Gasket-Master 5518
Torque-Lok™ Gasket-Master 5518
Anaerobic gasket maker - Comparable to Loctite® 515 & 518 Gasket Eliminators. Cures between close fitting metal parts in the absence of air. Replaces pre-cut gaskets of all sizes and shapes. Provides resistance to low pressure immediately after assembly. Resists chemicals and heat while maintaining flexibility. Fills gaps to .016". Performs from -58° to + 302°F. Ideal for sealing rigid flanges, differentials, transmissions, and more.
Container Type: Pump Bottle

Color Volume Style Bond Time Cure Time Maximum Operating Temperature Package Qty Item #
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Red
35 mL
Standard
20 min
24 hr
300 °F
1
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Red
35 mL
Standard
20 min
24 hr
300 °F
6
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Container Type: Tube

Color Volume Style Bond Time Cure Time Maximum Operating Temperature Package Qty Item #
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Red
35 mL
Standard
20 min
24 hr
300 °F
1
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Red
35 mL
Standard
20 min
24 hr
300 °F
10
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Hi-Temp Red Extreme Gasket RTV II Silicone Gasket Maker
Hi-Temp Red Extreme Gasket RTV II Silicone Gasket Maker
Advanced high performance RTV Silicone formula. Immediate sealing capability and rapid cure. Parts may be put in service right after assembly. No costly downtime waiting for gasket set-up. Oxygen sensor safe; low-volatile. Non-corrosive on metals, safe for aluminum. Resists oil, transmission fluid, and coolant. Superior adhesion for leak-free sealing. Flexible at continuous temperatures up to 500°F. Ideal for formed-in-place gasket applications. Each case includes twelve 3” extension nozzles.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Red
8 oz.
Non Corrosive, Low Odor, Oxygen Sensor Safe, Hi Temp
12 hr
Silicone
0 °F
500 °F
1
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Red
8 oz.
Non Corrosive, Low Odor, Oxygen Sensor Safe, Hi Temp
12 hr
Silicone
0 °F
500 °F
12
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Blue RTV Silicone Low Volatile Gasket Maker
Blue RTV Silicone Low Volatile Gasket Maker
Meets all OEM specifications. Oxygen sensor safe. Operating temperatures to 400°F (204°C). Provides exceptional leak control and torque retention. Replaces a wide range of cut gaskets - oil pans, valve covers, timing chain covers, oil pumps, and transmission pans. 100% silicone. Electronically non-conductive. Not paintable.
Color Volume Style Bond Time Cure Time Material Maximum Operating Temperature Package Qty Item #
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Blue
11 oz.
Low Volatile, Oxygen Sensor Safe
10 min
24 hr
Silicone
400 °F
1
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Blue
11 oz.
Low Volatile, Oxygen Sensor Safe
10 min
24 hr
Silicone
400 °F
12
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Blue RTV Silicone Low Volatile Gasket Maker & Sealant
Blue RTV Silicone Low Volatile Gasket Maker & Sealant
Meets all OEM specifications. Superior sealing with leakproof gaskets. Precise fingertip bead control. Perfect gaskets every time without gaps, lumps or air bubbles. Will not dry up in the can. Oxygen sensor safe. Operating temperatures to 450°F. 100% silicone. Electronically non-conductive. Not paintable. Available 3” extension nozzle (80-800) for better control.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Blue
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
1
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Blue
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
12
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Ultra-Can™ Original Formula RTV Silicone Gasket Maker & Sealant
Ultra-Can™ Original Formula RTV Silicone Gasket Maker & Sealant
Meets all OEM specifications. Advanced Ultra-Can for faster, easier dispensing of gasket material. Trigger control lever for superior bead control. Positive on/off valve prevents RTV hardening. Chemical resistant to oil and anti-freeze. High adhesion properties for leak-free assemblies. Constant operating temperature 450°F. 100% silicone. Electronically non-conductive. Not paintable. Made in the U.S.A.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
8 oz.
Standard
24 hr
Silicone
0 °F
450 °F
1
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Black
8 oz.
Standard
24 hr
Silicone
0 °F
450 °F
12
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Blue
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
1
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Blue
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
12
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Clear
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
1
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Clear
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
12
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Red
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
1
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Red
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
12
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White
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
1
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White
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
12
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Yellow
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
1
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Yellow
8 oz.
Hi Temp
24 hr
Silicone
0 °F
450 °F
12
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Ultra-Can™ Low Volatile Formula RTV Silicone Gasket Maker & Sealant
Ultra-Can™ Low Volatile Formula RTV Silicone Gasket Maker & Sealant
Meets all OEM specifications. Advanced Ultra-Can dispenses gasket material faster and easier. Trigger control lever provides superior bead control. Positive on/off valve prevents RTV from hardening. Chemical resistant to oil, transmission fluid, and anti-freeze. High adhesion properties for leak-free assemblies. Constant operating temperature 450°F. 100% silicone. Electronically non-conductive. Not paintable. Made in the U.S.A.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
1
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Black
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
12
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Blue
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
1
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Blue
8 oz.
Low Volatile, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
12
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Red
8 oz.
Low Volatile, Oxygen Sensor Safe, High Temp
24 hr
Silicone
0 °F
450 °F
1
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Red
8 oz.
Low Volatile, Oxygen Sensor Safe, High Temp
24 hr
Silicone
0 °F
450 °F
12
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Ultra-Can™ Low Volatile Low Odor Formula RTV Silicone Gasket Maker & Sealant
Ultra-Can™ Low Volatile Low Odor Formula RTV Silicone Gasket Maker & Sealant
Meets all OEM specifications. Advanced Ultra-Can dispenses gasket material faster and easier. Trigger control lever provides superior bead control. Positive on/off valve prevents RTV from hardening. Constant operating temperature ranges from 450°F to 500°F (650º intermittent). 100% silicone, chemically resistant, and electronically non-conductive. Low odor, low volatile, non-corrosive formula safe for aluminum components. Not paintable. Made in the U.S.A.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
8 oz.
Low Volatile, Low Odor, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
1
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Black
8 oz.
Low Volatile, Low Odor, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
12
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Red
8 oz.
Low Volatile, Low Odor, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
1
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Red
8 oz.
Low Volatile, Low Odor, Oxygen Sensor Safe
24 hr
Silicone
0 °F
450 °F
12
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Dynatex RTV Silicone Gasket Maker and Sealant
Dynatex RTV Silicone Gasket Maker and Sealant
RTV silicone sealant designed for creating gaskets and sealing assemblies in various applications. Convenient three-ounce tubes minimize waste and ensure enough silicone for most jobs. Specifications include non-conductive dielectric strength, non-flammable, and made from silicone material.
Color Volume Style Cure Time Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
3 oz.
Oxygen Sensor Safe
24 hr
Silicone
-40 °F
400 °F
1
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Blue
3 oz.
Oxygen Sensor Safe
24 hr
Silicone
-40 °F
400 °F
1
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Gray
3 oz.
Non Corrosive, Low Odor, Oxygen Sensor Safe
24 hr
Silicone
-85 °F
500 °F
1
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Red
3 oz.
Oxygen Sensor Safe, High Temp
24 hr
Silicone
-40 °F
650 °F
1
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Loctite® 598 Black RTV Silicone Gasket Maker
Loctite® 598 Black RTV Silicone Gasket Maker
OEM tested to comply with Extended Warranty requirements. Withstands operating environments to 625°F. Resistant to most chemicals and solvents. Excellent adhesion. Non-corrosive, low odor, low volatility, oxygen sensor-safe. Resists aging, weathering, and thermal cycling without hardening, shrinking, or cracking. Resists auto and shop fluids and vibration. Suggested applications include valve covers, oil pans, intake manifolds, end seals, timing covers, and transmission pans. Originally named Loctite® Ultra Black.
Color Volume Style Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Black
2.4 oz.
Non Corrosive, Low Volatile, Low Odor, Oxygen Sensor Safe
Silicone
0 °F
625 °F
1
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Loctite® 587 Blue RTV Silicone Gasket Maker
Loctite® 587 Blue RTV Silicone Gasket Maker
Forms tough, flexible gaskets directly on flanges with improved adhesion to oily surfaces. 3 times more oil resistant than generic silicones, low odor, non-corrosive, and low volatile. Withstands temperatures of 500°F intermittent and fills gaps to .25". Applications include sealing valve/rocker covers, oil pans, and electrical boxes. Silicone dries in 1 hour, fully cured in 24 hrs.
Color Volume Style Bond Time Cure Time Material Maximum Operating Temperature Package Qty Item #
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Blue
2.4 oz.
Non Corrosive, Low Volatile, Low Odor
1 hr
24 hr
Silicone
500 °F
1
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Loctite® 5920 Copper RTV Silicone Gasket Maker
Loctite® 5920 Copper RTV Silicone Gasket Maker
High performance RTV for rigid flange assemblies. Resistant to extreme temperatures up to 700°F, with a temperature range of -65°F to 700°F. Eight times more flexible than conventional gaskets and two times stronger between oily surfaces. Non-corrosive, non-conductive, and adheres to various materials including metal, glass, and wood.
Color Volume Style Material Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Brown
2.4 oz.
Non Corrosive, Non Conductive
Silicone
-65 °F
700 °F
1
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Loctite® MR 5009 Hi-Tack Gasket Sealant
Loctite® MR 5009 Hi-Tack Gasket Sealant
Seals rubber, cork, paper, and asbestos gaskets, as well as hose connections. It dries fast to a highly tacky, non-brittle film and is effective from -65° to 500°F and pressures up to 5,000 P.S.I. This product is excellent for differential cover gaskets, intake manifold gaskets, and rear axle gaskets.
Color Volume Style Minimum Operating Temperature Maximum Operating Temperature Package Qty Item #
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Red
16 oz.
Standard
-65 °F
500 °F
1
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Loctite® 534 Hi-Tack Gasket Dressing
Loctite® 534 Hi-Tack Gasket Dressing
High performance tacking and dressing for cut gaskets. Purple color anaerobic formula ensures maximum reliability. Ideal for sealing and bonding rubber, cork, paper, felt, and metal gaskets. Seals up to 300°F and resists oil and most industrial fluids. Holds pre-cut gaskets in place for easy positioning and assembly.
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Purple
10 oz.
Standard
Methacrylate Ester Acrylic
300 °F
1
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Loctite® Gasket Sealant #1
Loctite® Gasket Sealant #1
Superior sealing for rigid, permanent assemblies. Effective from -65°F to 400°F, pressure to 5,000 P.S.I. Ideal for oil plugs, rear axle cover gaskets, freeze plugs, pipe fittings, and threaded connections. Resists common shop fluids and fuels while sealing cut gaskets and filling uneven surfaces. Conforms to MIL-S-45180D Type 1.
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Brown
7 oz.
Standard
-65 °F
400 °F
1
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Loctite® Gasket Sealant #2
Loctite® Gasket Sealant #2
Ideal for sealing non-rigid assemblies subjected to vibration and flexing. Effective from -65°F to 400°F, pressures to 5,000 P.S.I. Resists all common shop fluids and fuels. Conforms to MIL-S45180D Type II. Suitable for oil pan gaskets, transmission pan gaskets, and timing cover gaskets. Dries slowly, remains pliable for easy removal.
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Black
7 oz.
Standard
-65 °F
400 °F
1
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Loctite® MR 5923 Aviation Gasket Sealant
Loctite® MR 5923 Aviation Gasket Sealant
Ideal for sealing close fitting parts, gaskets, and threaded assemblies. Dries slowly to a pliable film, resisting temperatures from -65°F to 400°F and pressures to 5,000 P.S.I. Resists water, steam, oil, and mild acids. Conforms to MIL-S-45180D Type III.
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Brown
16 oz.
Standard
Modified Resin
-65 °F
400 °F
1
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Loctite® Superflex Blue RTV
Loctite® Superflex Blue RTV
Solves sealing emergencies quickly. Forms gaskets of all shapes and sizes. Dries to the touch in 1 hour, cures completely in 24 hours. Adheres to various materials including metal, wood, glass, and rubber. Fills holes, seals leaks, repairs worn parts. Temperature range -65°F to 500°F.
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Blue
2.7 oz.
Standard
24 hr
Silicone
500 °F
1
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Loctite® 518 Gasket Eliminator
Loctite® 518 Gasket Eliminator
Assures optimum leak-free, tight-fit performance in rigid, precision machined assemblies. Fills surface imperfections and small gaps in tight tolerance use. OEM approved for "anaerobic" gasket specifications. Flexes with flanges for maximum seal durability. Temperature range from -65°F to 300°F.
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Red
6 mL
Standard
-65 °F
300 °F
1
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Red
50 mL
Standard
-65 °F
300 °F
1
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Loctite® SI 5900 Instant Gasket
Loctite® SI 5900 Instant Gasket
Makes any size or shape industrial or automotive gasket. Fleet tested for over 1 million miles without leaks. Reliable gaskets in 1 minute - no waiting for sealant to cure. OEM approved: GM 998-5990, Ford WSE-M4-G 323-A6, Chrysler GF-44-A. Effective to 450°F continuous, 500°F intermittent. Superior oil resistance. Yields up to 672 inches of gasket material.
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Black
190 ml
Standard
Immediate
Silicone
0 °F
450 °F
1
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100% Pure PTFE Gasket Tape
100% Pure PTFE Gasket Tape
Seals in every gasketing application from -400°F to 600°F with exceptional performance in service pressure up to 2,900 P.S.I. Highly conformable PTFE provides unsurpassed sealing on worn and uneven surfaces. No re-torquing required after installation. Self-adhesive backing holds tape in place, installs in under 1 minute, and removes easily for disassembly.
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15'
1/2"
PTFE
-400 °F
600 °F
1
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25'
3/8"
PTFE
-400 °F
600 °F
1
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50'
1/4"
PTFE
-400 °F
600 °F
1
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Dynatex RTV Silicone Sealant
Dynatex RTV Silicone Sealant
Clear RTV silicone seals sunroofs, windshields, and tail lights. Bonds, seals, and protects electrical wire insulation.
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Clear
3 oz.
Standard
24 hr
Silicone
-40 °F
400 °F
1
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Vellumoid Gaskets
Vellumoid Gaskets
High quality gasket material designed for long service life. Resists heat, gasoline, water, anti-freeze, and other liquids. Supplied in economical 3 ft. sections or running yards. Available in three material thicknesses, reducing inventory of slow moving or odd sized gaskets—simply cut a new one as needed.
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1/64"
36"
36"
Vellumoid
1
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1/32"
36"
36"
Vellumoid
1
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1/16"
36"
36"
Vellumoid
1
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Hylomar® "M" Sealant
Hylomar® "M" Sealant
High performance formula with advanced acetone for increased reliability. Non-hardening sealant remains flexible to absorb severe vibration, resisting industrial fuels, oils, and refrigerants. Instant sealing for leak testing, reusable and resealable. Oxygen sensor safe gasket dressing holds gaskets during assembly, allowing repositioning. Superior thread sealant prevents corrosion and allows easy disassembly.
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Blue
80 mL
Standard
Instant
-60 °F
600 °F
1
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130 of 86 Results

Kimball Midwest offers a comprehensive selection of gasket makers and sealants, providing high-performance solutions for sealing a variety of surfaces and applications. Our gasket sealants are designed to withstand extreme temperatures, resist industrial fluids and provide durable adhesion, making them ideal for automotive, industrial and maintenance needs. Whether you're looking for a silicone gasket maker for oil pans or the best leakproof gasket for engines, we have the right product for your job.

Our selection includes trusted options such as Loctite gasket sealant, known for forming tough, flexible gaskets directly on flanges while resisting chemicals and solvents. The Gasket Eliminator Tube fills surface imperfections and eliminates the need for pre-cut gaskets, offering a reliable solution for flange sealant applications. For high-temperature environments, our High Temp Red RTV Silicone Gasket Maker withstands up to 450°F and is oxygen sensor safe, perfect for exhaust manifolds and cam covers.

Additionally, the Aviation Gasket Sealant provides a slow-drying, pliable film for sealing close-fitting parts, while our Hylomar® "M" Sealant offers non-hardening flexibility for industrial applications, making it a top choice for hardware lubricants and sealants.

Contact a local sales representative today to get the gasket makers and sealants you need.

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