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K757 Series Hose Ends

Stop A/C leaks before they eat your day. K757 Series hose ends give you SAE J2064 Type C Class 1 performance for R134a and R1234yf with corrosion-resistant zinc-plated steel. Pick straight, 45°, 90°, insert or splicer styles to match your routing, add service-port elbows or splicers for faster charging. Crimp with K100, K300 or K500.

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Female O-Ring Straight Hose Ends - K757 Series
Female O-Ring Straight Hose Ends - K757 Series
Female o-ring straight hose ends for automotive and equipment air conditioning. Steel construction with zinc plating resists corrosion. Internal thread drive with SAE J2064 Type C Class 1 compatibility and designed for R134A and R1234yf refrigerants, improves service life. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" x 3/8" Female O-Ring Straight - KK757 Series
3/8"
5/8"-18
Female Straight O-Ring
1
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5/16" x 1/2" Female O-Ring Straight - KK757 Series
1/2"
3/4"-16
Female Straight O-Ring
1
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Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" x 1/2" Female O-Ring Straight - KK757 Series
1/2"
3/4"-16
Female Straight O-Ring
1
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13/32" x 5/8" Female O-Ring Straight - KK757 Series
5/8"
7/8"-14
Female Straight O-Ring
1
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Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" x 5/8" Female O-Ring Straight - KK757 Series
5/8"
7/8"-15
Female Straight O-Ring
1
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Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" x 5/8" Female O-Ring Straight - KK757 Series
5/8"
7/8"-16
Female Straight O-Ring
1
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5/8" x 3/4" Female O-Ring Straight - KK757 Series
3/4"
1-1/16"-14
Female Straight O-Ring
1
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Male O-Ring Straight Hose Ends - K757 Series
Male O-Ring Straight Hose Ends - K757 Series
Male o-ring straight hose ends for air conditioning hose assemblies. Zinc-plated steel construction resists corrosion and meets SAE J2064 Type C Class 1. Designed for R134A and R1234yf service and standard external thread sizes, helps ensure reliable refrigerant sealing for repairs. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" x 3/8" Male O-Ring Straight - KK757 Series
3/8"
5/8"-18
Male Straight O-Ring
1
Log in to view price
Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" x 3/8" Male O-Ring Straight - KK757 Series
3/8"
5/8"-18
Male Straight O-Ring
1
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13/32" x 1/2" Male O-Ring Straight - KK757 Series
1/2"
3/4"-16
Male Straight O-Ring
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" x 5/8" Male O-Ring Straight - KK757 Series
5/8"
7/8"-14
Male Straight O-Ring
1
Log in to view price
Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" x 5/8" Male O-Ring Straight - KK757 Series
5/8"
7/8"-14
Male Straight O-Ring
1
Log in to view price
5/8" x 3/4" Male O-Ring Straight - KK757 Series
3/4"
1-1/16"-14
Male Straight O-Ring
1
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Female O-Ring 90° Elbows w/ R134a Service Port - K757 Series
Female O-Ring 90° Elbows w/ R134a Service Port - K757 Series
Female o-ring 90° elbow fittings with R134a service port for air conditioning hose assemblies. Steel construction with zinc plating resists corrosion and meets SAE J2064 Type C Class 1. Internal threaded port fits common refrigerants and provides service access for repair tasks. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size Port Size End Type Package Qty
5/16" x 3/8" Female O-Ring 90° Elbow with R-134a Service Port - K757 Series
3/8"
5/8"-18
16 mm
Female O-Ring 90° Elbow
1
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5/8" x 5/8" Female O-Ring 90° Elbow with R-134a Service Port - K757 Series
5/8"
7/8"-14
13 mm
Female O-Ring 90° Elbow
1
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Hose Size: 13/32"

Item # Tube OD Thread Size Port Size End Type Package Qty
13/32" x 1/2" Female O-Ring 90° Elbow with R-134a Service Port - K757 Series
1/2"
3/4"-16
16 mm
Female O-Ring 90° Elbow
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size Port Size End Type Package Qty
1/2" x 5/8" Female O-Ring 90° Elbow with R-134a Service Port - K757 Series
5/8"
7/8"-14
13 mm
Female O-Ring 90° Elbow
1
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Straight Splicers - K757 Series
Straight Splicers - K757 Series
Straight splicers for automotive and equipment air conditioning hose repair and OEM assemblies. Zinc-plated steel construction resists corrosion and meets SAE J2064 Type C Class 1. Designed for use with R134A and R1234yf refrigerants and compatible with K100, K300 or K500 crimpers. Made in the U.S.A.
Hose Size: 5/16"

Item # End Type Package Qty
5/16" Straight Splicer - K757 Series
Straight Splicer
1
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Hose Size: 13/32"

Item # End Type Package Qty
13/32" Straight Splicer - K757 Series
Straight Splicer
1
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Hose Size: 1/2"

Item # End Type Package Qty
1/2" Straight Splicer - K757 Series
Straight Splicer
1
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Hose Size: 5/8"

Item # End Type Package Qty
5/8" Straight Splicer - K757 Series
Straight Splicer
1
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Straight Splicers with R134a Service Port - K757 Series
Straight Splicers with R134a Service Port - K757 Series
Straight splicers with R134a service port for air conditioning hose repair and OEM assemblies. Steel construction with zinc-plated finish resists corrosion and meets SAE J2064 Type C Class 1. Compatible with R134A and R1234yf refrigerants and crimps with K100, K300 or K500. Made in the U.S.A.
Hose Size: 5/16"

Item # Port Size End Type Package Qty
5/16" Straight Splicer with R-134a Service Port - K757 Series
16 mm
Straight Splicer
1
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Hose Size: 13/32"

Item # Port Size End Type Package Qty
13/32" Straight Splicer with R-134a Service Port - K757 Series
16 mm
Straight Splicer
1
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Hose Size: 1/2"

Item # Port Size End Type Package Qty
1/2" Straight Splicer with R-134a Service Port - K757 Series
13 mm
Straight Splicer
1
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Hose Size: 5/8"

Item # Port Size End Type Package Qty
5/8" Straight Splicer with R-134a Service Port - K757 Series
13 mm
Straight Splicer
1
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Male Insert O-Ring Straight Hose Ends- K757 Series
Male Insert O-Ring Straight Hose Ends- K757 Series
Male insert o-ring straight hose ends for K757 Series air conditioning hoses. Zinc-plated steel construction resists corrosion and meets SAE J2064 Type C Class 1. Compatible with R134A and R1234yf refrigerants and suitable for OEM assemblies and repairs. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" Male Insert O-Ring Straight Hose Fitting - K757 Series
3/8"
5/8"-18
Male Straight Insert O-Ring
1
Log in to view price
Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" Male Insert O-Ring Straight Hose Fitting - K757 Series
1/2"
3/4"-16
Male Straight Insert O-Ring
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" Male Insert O-Ring Straight Hose Fitting - K757 Series
5/8"
7/8"-14
Male Straight Insert O-Ring
1
Log in to view price
Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" Male Insert O-Ring Straight Hose Fitting - K757 Series
5/8"
7/8"-14
Male Straight Insert O-Ring
1
Log in to view price
Female O-Ring 45° Elbows - K757 Series
Female O-Ring 45° Elbows - K757 Series
Female o-ring 45° elbows for air conditioning hose assemblies. Zinc-plated steel construction resists corrosion and meets SAE J2064 Type C Class 1 for use with R134A and R1234yf refrigerants. Internal threads provide sealed connections for OEM or repair tasks. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" x 3/8" Female O-Ring 45° Elbow - K757 Series
3/8"
5/8"-18
Female O-Ring 45° Elbow
1
Log in to view price
Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" x 1/2" Female O-Ring 45° Elbow - K757 Series
1/2"
3/4"-16
Female O-Ring 45° Elbow
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" x 5/8" Female O-Ring 45° Elbow - K757 Series
5/8"
7/8"-14
Female O-Ring 45° Elbow
1
Log in to view price
Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" x 5/8" Female O-Ring 45° Elbow - K757 Series
5/8"
7/8"-14
Female O-Ring 45° Elbow
1
Log in to view price
5/8" x 3/4" Female O-Ring 45° Elbow - K757 Series
3/4"
1-1/16"-14
Female O-Ring 45° Elbow
1
Log in to view price
Male O-Ring 45° Elbows - K757 Series
Male O-Ring 45° Elbows - K757 Series
Male o-ring 45° elbows for air conditioning hose assemblies. Steel construction with zinc-plated finish resists corrosion and meets SAE J2064 Type C Class 1 for use with R134A and R1234yf. Threaded external ends for crimping improve sealing and service life for equipment repair. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" x 3/8" Male O-Ring 45° Elbow - K757 Series
3/8"
5/8"-18
Male O-Ring 45° Elbow
1
Log in to view price
Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" x 1/2" Male O-Ring 45° Elbow - K757 Series
1/2"
3/4"-16
Male O-Ring 45° Elbow
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" x 5/8" Male O-Ring 45° Elbow - K757 Series
5/8"
7/8"-14
Male O-Ring 45° Elbow
1
Log in to view price
Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" x 5/8" Male O-Ring 45° Elbow - K757 Series
5/8"
7/8"-14
Male O-Ring 45° Elbow
1
Log in to view price
5/8" x 3/4" Male O-Ring 45° Elbow - K757 Series
3/4"
1-1/16"-14
Male O-Ring 45° Elbow
1
Log in to view price
Female O-Ring 90° Elbows - K757 Series
Female O-Ring 90° Elbows - K757 Series
Female o-ring 90° elbow fittings for air conditioning hose connections. Steel construction with zinc plating resists corrosion and meets SAE J2064 Type C Class 1. Compatible with R134A and R1234yf refrigerants and suitable for OEM or repair use. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" x 3/8" Female O-Ring 90° Elbow - K757 Series
3/8"
5/8"-18
Female O-Ring 90° Elbow
1
Log in to view price
5/16" x 1/2" Female O-Ring 90° Elbow - K757 Series
1/2"
5/8"-18
Female O-Ring 90° Elbow
1
Log in to view price
Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" x 1/2" Female O-Ring 90° Elbow - K757 Series
1/2"
3/4"-16
Female O-Ring 90° Elbow
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" x 5/8" Female O-Ring 90° Elbow - K757 Series
5/8"
3/4"-16
Female O-Ring 90° Elbow
1
Log in to view price
Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" x 3/4" Female O-Ring 90° Elbow - K757 Series
3/4"
7/8"-14
Female O-Ring 90° Elbow
1
Log in to view price
Male O-Ring 90° Elbows - K757 Series
Male O-Ring 90° Elbows - K757 Series
Male o-ring 90° elbow fittings for air conditioning hose assemblies. Steel construction with zinc plating resists corrosion and meets SAE J2064 Type C Class 1. Compatible with R134A and R1234yf refrigerants, provides reliable sealing for OEM and repair applications. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" x 3/8" Male O-Ring 90° Elbow - K757 Series
3/8"
5/8"-18
Male O-Ring 90° Elbow
1
Log in to view price
Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" x 3/8" Male O-Ring 90° Elbow - K757 Series
3/8"
3/4"-16
Male O-Ring 90° Elbow
1
Log in to view price
13/32" x 1/2" Male O-Ring 90° Elbow - K757 Series
1/2"
7/8"-14
Male O-Ring 90° Elbow
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" x 5/8" Male O-Ring 90° Elbow - K757 Series
5/8"
7/8"-14
Male O-Ring 90° Elbow
1
Log in to view price
Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" x 5/8" Male O-Ring 90° Elbow - K757 Series
5/8"
7/8"-14
Male O-Ring 90° Elbow
1
Log in to view price
5/8" x 3/4" Male O-Ring 90° Elbow - K757 Series
3/4"
1-1/16"-14
Male O-Ring 90° Elbow
1
Log in to view price
Male Insert O-RIng Elbows - K757 Series
Male Insert O-RIng Elbows - K757 Series
Male insert o-ring elbows for refrigeration hose assemblies. Steel construction with zinc plated finish helps resist corrosion. 90° male insert with external threads meets SAE J2064 Type C Class 1 and is compatible with R134A and R1234yf refrigerants, suitable for HVAC and equipment repair. Made in the U.S.A.
Hose Size: 5/16"

Item # Tube OD Thread Size End Type Package Qty
5/16" x 3/8" Male Insert O-Ring Elbow - K757 Series
3/8"
5/8"-18
Male Insert O-Ring 90° Elbow
1
Log in to view price
Hose Size: 13/32"

Item # Tube OD Thread Size End Type Package Qty
13/32" x 1/2" Male Insert O-Ring Elbow - K757 Series
1/2"
3/4"-16
Male Insert O-Ring 90° Elbow
1
Log in to view price
Hose Size: 1/2"

Item # Tube OD Thread Size End Type Package Qty
1/2" x 5/8" Male Insert O-Ring Elbow - K757 Series
5/8"
7/8"-14
Male Insert O-Ring 90° Elbow
1
Log in to view price
Hose Size: 5/8"

Item # Tube OD Thread Size End Type Package Qty
5/8" x 3/4" Male Insert O-Ring Elbow - K757 Series
3/4"
1-1/16"-14
Male Insert O-Ring 90° Elbow
1
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7 options | Item #: K75706Z47
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6 options | Item #: K75706Z06
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4 options | Item #: K75706Z97
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4 options | Item #: K75706Y06
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4 options | Item #: K75706Y47
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4 options | Item #: K757W0606
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5 options | Item #: K75706W47
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5 options | Item #: K75706Z26
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5 options | Item #: K75706Z87
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6 options | Item #: K75706Z66
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4 options | Item #: K75706W66
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