Performance Automotive Hoses & Fittings

Get your fuel and just about any other fluids where they need to go! We have fittings, valves, hose ends, and plugs in a wide assortment of sizes, materials, and finishes,...

Get your fuel and just about any other fluids where they need to go! We have fittings, valves, hose ends, and plugs in a wide assortment of sizes, materials, and finishes, plus hoses to match in materials ranging from rubber to braided stainless steel. We’ve got complete fuel line kits, transmission fluid lines, radiator hoses, clamps, brackets, and A/C and heat plumbing—grab everything you need at once! While you’re at it, pick up some specialized AN fitting tools as well.

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Results 1 - 25 of 441

Fleece Performance Coolant Bypass Kits for 2013-2018 2500, 3500 - FPE-CLNTBYPS-CUMMINS-1318

Coolant Bypass Kit for 2013-2018 RAM with 6.7L Cummins

Part Number: FLE-S0450

5.0 out of 5 stars ( 2 )

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Summit Racing™ Flex Fuel Sensor Bypass/GM Sensor and Pigtail Combo Kits SUM-226305X-KIT

Flex Fuel Sensor Mount Kit, Flex Fuel Sensor, Wire Pigtail, -10 AN Inlet/Outlet, Kit

Part Number: SUM-226305X-KIT

Not Yet Reviewed

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Fleece Performance Coolant Bypass Kits FPE-CLNTBYPS-CUMMINS-0712

Water Bypass Kit, Coolant Bypass, Hose, Black Aluminum Fittings, Dodge, Ram, 6.7L Diesel, Kit

Part Number: FLE-S0451

Not Yet Reviewed

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Summit Racing™ Flex Fuel Sensor Bypass SUM-226305X

Dual Channel, E-85 Flex Fuel Sensor Bypass or Splitter. Inline, Mount, Billet, Includes -6,-8,-10 AN fittings, Black, Each

Part Number: SUM-226305X

1.0 out of 5 stars ( 1 )

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Continental Molded Bypass Hoses 63726

Heater/Bypass Hose, Molded, Rubber Black, Each

Part Number: CEL-63726

4.43 out of 5 stars ( 23 )

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Summit Racing™ Heater Bypass Hoses SUM-294202

Heater Hose, Bypass, Rubber, Black, With Clamp, Chevrolet, LS, Kit

Part Number: SUM-294202

4.75 out of 5 stars ( 4 )

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Dorman Cooling Bypass Caps 02252

Cooling Bypass Caps, Rubber, Black, 5/8 in., Female, Push-On, Pair

Part Number: RNB-02252

5.0 out of 5 stars ( 4 )

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RESTOPARTS® Supplied Heater and Bypass Hoses for 1965-1968 CHEVELLE, 1966-1968 EL CAMINO - B34EH22

Bypass Hose, Water Pump, Angled, Chevy, Big Block, Each

Part Number: OPG-B34EH22

4.5 out of 5 stars ( 2 )

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Summit Racing™ Heater Bypass Hoses SUM-294201

Heater Hose, Bypass, Silicone, Black, With Clamp, Chevrolet, LS, Kit

Part Number: SUM-294201

5.0 out of 5 stars ( 1 )

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Continental Molded Bypass Hoses 63735

Heater Hose, Black, Rubber, Chrysler, Dodge, Plymouth, Passenger Car, Pickup, SUV, Van, Each

Part Number: CEL-63735

4.83 out of 5 stars ( 6 )

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Chevrolet Performance Engine Coolant Bypass Seals 12602541

Engine Coolant Bypass Seal, Coolant Crossover Component, O-ring, Rubber, Black, Chevy, Each

Part Number: NAL-12602541

Not Yet Reviewed

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Dorman Cooling Bypass Caps 493-100

Cooling Bypass Cap, Rubber, 5/8 in., Female, Push-On, Set of 5

Part Number: RNB-493-100

4.0 out of 5 stars ( 4 )

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Dorman Cooling Bypass Caps 02254

Cooling Bypass Caps, Rubber, Black, 3/4 in., Female, Push-On, Pair

Part Number: RNB-02254

4.67 out of 5 stars ( 6 )

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Dayco Molded Bypass Hoses 71651

Radiator Hose, Molded, Rubber, Black, Each

Part Number: DAC-71651

3.0 out of 5 stars ( 2 )

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Scott Drake Bypass Hoses for 1964-1966 MUSTANG - C2DZ-8597-A

64-66 Bypass Hose with FoMoCo Oval Logo

Part Number: SDK-C2DZ-8597-A

3.64 out of 5 stars ( 11 )

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Dayco Molded Bypass Hoses 71877

Hose, Bypass, Molded, Rubber, Black, 5.000 in. Length, 0.625 in. ID., Each

Part Number: DAC-71877

4.5 out of 5 stars ( 4 )

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ICT Billet Fuel Pressure Regulator Bypass Plugs 551285-PLUG

ICT Billet Fuel Pressure Regulator Bypass Plugs 551285-PLUG

Plug Fittings, Fuel Pressure Regulator Bypass Plugs, Notched Head, Stock Size, E-Z Clip, Aluminum, Natural, Chevrolet, Small Block LS, Each

Part Number: ICB-551285-PLUG

5.0 out of 5 stars ( 1 )

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Dayco Molded Bypass Hoses 70476

Hose, Bypass, Molded, Synthetic EPDM, Black, Each

Part Number: DAC-70476

4.4 out of 5 stars ( 5 )

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Dorman Cooling Bypass Caps 493-101

Fittings, Cooling Bypass Caps, Rubber, Black, 3/4 in. Female Push-on, Set of 5

Part Number: RNB-493-101

5.0 out of 5 stars ( 1 )

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RESTOPARTS® Supplied Heater Hose Bypass Block-Off Caps CH24880

Block-Off Cap, Heater Hose Bypass, Rubber, 3/4 in., Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OPG-CH24880

5.0 out of 5 stars ( 4 )

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Dayco Molded Bypass Hoses 70620

Hose, Bypass, Molded, Synthetic EPDM, Black, Each

Part Number: DAC-70620

5.0 out of 5 stars ( 1 )

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URO Parts Coolant Bypass Hoses for 1981-1985 380SL, 1986-1989 560SL - 1078313594

Heater Hose

Part Number: URO-013119

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Continental Molded Bypass Hoses 63130

Bypass Hose, Black, Rubber, Molded, 5/16 in. Diameter, 10 in. Length, Each

Part Number: CEL-63130

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Continental Molded Bypass Hoses 63064

Heater Hose, Black, Rubber, Chrysler, Dodge, Jeep, Pickup, SUV, Van, Each

Part Number: CEL-63064

4.67 out of 5 stars ( 3 )

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Continental Molded Bypass Hoses 63111

Heater Hose, Black, Rubber, Chevy, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: CEL-63111

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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