Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Fittings & Hoses
Availability
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.
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.
Showing In Stock Items. Show All 92 Items.
Fleece Performance Coolant Bypass Kits
Fleece Performance coolant bypass kits meet the demands for more cooling that comes with increased horsepower. Your engine cooling system was designed to handle a 300-350hp engine. When you increase the power, you increase the demand on your cooling system and the possibility of problems that may lead to failure. Fleece coolant bypass kits feature a secondary thermostat that operates on temperature--not excessive pressure--solving excessive pressure problems before they become an issue by ensuring consistent temperatures across all six cylinders. Each kit includes high-quality AN O-ring fittings and AN hose connections with braided hose to ensure a leak-free installation. When there's a need for better performance, you can rely on coolant bypass kits from Fleece to supply the necessary components for assured greater performance.
( 7 )
$379.99
—
$399.99
Summit Racing™ Flex Fuel Sensor Bypass/GM Sensor and Pigtail Combo Kits
Summit Racing™ Flex Fuel sensor bypass/GM sensor and pigtail combo kits allow you to use the GM OEM Flex Fuel sensor in a high-volume, high-flow fuel system with lines up to -10 AN. The bypass allows a portion of the fuel to run through the sensor to measure the ethanol content for your ECM. The rest of the fuel flows around, or parallel to, the sensor, avoiding a restriction in the feed line. Our combo kits include a GM Flex Fuel sensor and pigtail for GM LS Series engines.
Not Yet Reviewed
$217.11
Summit Racing™ Flex Fuel Sensor Bypass
The Summit Racing™ Flex Fuel Sensor Bypass lets you use a factory-type flex fuel sensor in a high-volume, high-flow fuel system with lines up to -10 AN. The bypass allows a portion of the fuel to run through the sensor to measure the ethanol content for your ECM--and then allows the rest to flow around or parallel to the sensor to avoid a restriction in the feed line. Made from billet aluminum and hard anodized black, the bypass kits come with -6, -8,and -10 AN adapter fittings and also include methanol-resistant O-rings.
( 1 )
$139.99
Continental Molded Bypass Hoses
Continental molded bypass hoses feature a Versigard rubber tube and cover to resist heat, oil, and weather. Their Tylanar-knit reinforcement meets or exceeds SAE J20R3, D1 specifications.
( 44 )
$6.99
—
$32.99
Summit Racing™ Heater Bypass Hoses
Summit Racing™ heater bypass hoses are perfect when deleting your heater core. These hoses allow engine coolant to flow without any restrictions. Made from high-quality silicone, these hoses can withstand the hottest of coolant temperatures. Summit™ heater bypass hoses make deleting your heater core easy.
( 5 )
$16.99
—
$21.99
Dorman Cooling Bypass Caps
Dorman cooling bypass caps are perfect for sealing your vehicle's cooling system components. Available in several different sizes, depending on your needs, these Dorman cooling bypass caps are sure to keep coolant contained in your engine.
( 22 )
$4.99
—
$7.99
RESTOPARTS® Supplied Heater and Bypass Hoses
RESTOPARTS® Supplied offers a variety of new heater and bypass hoses for your restoration project. These replacement rubber hoses have factory-correct color, shape, and markings, so your muscle car can retain the same look it had when it rolled off the assembly line. Find the hoses recommended for your application, then upgrade your leaking, worn, or period-incorrect lines with quality replacements from RESTOPARTS®.
( 2 )
$34.99
—
$121.99
Chevrolet Performance Engine Coolant Bypass Seals
Chevrolet Performance engine coolant bypass seals restore leak-free efficiency. These genuine items offer more than the perfect fit and function for your GM application--they provide you with reliability and peace of mind, knowing that they are exactly like the originals. Get the best for your vehicle's coolant system by using Chevrolet Performance engine coolant bypass seals.
Not Yet Reviewed
$4.99
Dayco Molded Bypass Hoses
Replace your damaged OEM bypass hoses with Dayco molded bypass hoses! Designed using knitted reinforcement and all-synthetic EPDM construction, they provide the high strength and resistance to oil, salt, mud, debris, ozone, coolants, and extreme temperature variations that are required for OEM replacement hoses. Their inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hoses.
( 12 )
$8.99
—
$11.99
Scott Drake Bypass Hoses
Scott Drake bypass hoses are officially licensed by Ford. They feature FoMoCo or Motorcraft logos with the part number imprinted in white ink. Get the right fit and look under your hood with a factory-style replacement hose from Scott Drake.
( 11 )
$11.46
ICT Billet Fuel Pressure Regulator Bypass Plugs
ICT Billet offers fuel pressure regulator bypass plugs for a variety of applications. They install in place of the factory integrated regulator that is mounted to the fuel rail on truck intake manifolds. These plugs are required when using an external fuel pressure regulator. Machined from aerospace-grade billet aluminum, the plugs are compatible with LS Gen 3 truck/SUV round fuel rails. They include an O-ring and re-use the factory retainer clip. Order the model designed for your vehicle.
( 1 )
$29.99
RESTOPARTS® Supplied Heater Hose Bypass Block-Off Caps
RESTOPARTS® Supplied heater hose bypass block-off caps are genuine General Motors replacement products. They're constructed of high-quality rubber and are available for several applications. Plug the ends of your hose easily and securely with RESTOPARTS® Supplied block-off caps.
( 4 )
$18.99
URO Parts Coolant Bypass Hoses
URO Parts coolant bypass hoses are part of their extensive line of cooling components that includes hoses, water pumps, expansion tanks, and more. All of their rubber coolant bypass hoses are reinforced for extra strength and durability. Each hose is manufactured from electro chemical degradation (ECD) resistant materials that prevent electrolysis from breaking down the rubber from the inside out.
Not Yet Reviewed
$1.50
—
$162.99
Mishimoto Transmission Cooler Bypass Lines
Upgrade your truck with Mishimoto transmission cooler bypass line kits. Designed for a direct fit, they allow you to leave your factory transmission cooler in place, negating the need to discharge the refrigerant in the A/C system, but bypasses the factory transmission cooler in the event it is contaminated from a transmission failure. You don't need to worry about dealing with freon or vacuum lines, so you can get back on the road quickly. Mishimoto's transmission cooler bypass lines are designed for use with their transmission cooler, ensuring compatibility and ease of use. And, of course, each kit includes the Mishimoto lifetime warranty, giving you peace of mind and reliable performance. Select the kit designed for your truck.
Not Yet Reviewed
$68.95
Fleece Performance Coolant Bypass Hoses
Fleece Performance offers several coolant bypass hose options for replacement. The selection is made from quality materials, EPDM, black nylon braiding, or stainless steel braiding. Many are direct replacements for their coolant bypass kits. Choose the proper fit for your diesel truck.
Not Yet Reviewed
$84.99
—
$89.99
Fleece Performance Coolant Bypass Hose Brackets
Fleece Performance coolant bypass hose brackets are included in their kits, but also conveniently offered separately as replacements. These kits include two bracket assemblies and mounting hardware. They will provide the exact fit and function as the originals.
Not Yet Reviewed
$68.01
Eddie Marine Bypass Y-Fittings
Eddie Marine bypass Y-fittings assist in converting your Merc thermostat units to be used with EMI Thunder manifolds. Sold individually, two will be required to convert your 4-hose Merc unit.
Not Yet Reviewed
$85.95
Summit Racing™ LS Oil Galley Barbell Plug Kit
Summit Racing™ LS oil galley barbell plug kits give you a cool, affordable way to improve your LS engine's oiling system. They include the rear "barbell" or "dogbone" which has a smaller stem diameter than the factory plastic unit to improve flow to the filter, a solid plug to delete the filter bypass in the oil pan, and a step washer and bolt to support the unsupported side of the oil pump pickup tube retainer.
( 6 )
$24.99
Summit Racing™ Coolant Steam Port Crossover Kits
Summit Racing™ Coolant Steam Port crossover kits deliver cool performance and looks. Featuring beautiful billet aluminum construction, our kits will bypass the hot engine coolant from your throttle body for better performance and vent the steam from the front of the cylinder heads to the radiator or balance the flow between the rear of heads to help reduce engine temperature. Keep your engine happy and running at an optimal level with Summit Racing™ Coolant Steam Port Crossover Kits.
( 14 )
$39.99
—
$88.98
Radium Engineering Split-Flow Flex Fuel Sensor Adapters
Radium Engineering split-flow flex fuel sensor adapters allow implementing an ethanol content sensor into a high-flow fuel line. The design has dual passages that the fuel can flow through, so there is no loss in fuel flow. These adapters can be used on feed or return fuel lines. 10 AN female ports will require adapters to match the hose in the vehicle.
( 1 )
$94.95
Aeromotive Dual-Action Adjustable Fuel Logs
Aeromotive dual-action adjustable fuel logs incorporate new features previously unavailable. Each carburetor inlet uses a ball and socket assembly that swivels 20 degrees, allowing additional clearance for throttle stops, throttle linkage, and other accessories. They offer a healthy inlet that can feed high-horsepower engines and feature manufacturing from quality materials and a strong finish, providing durability and great looks. They also provide dual NPT ports (machined in) that allow you to install fuel pressure gauges or pressure transducers. Set a new standard for your ride with the Aeromotive dual-action adjustable fuel logs quality-engineered to fit!
( 4 )
$830.95
—
$912.51
Tanks Inc. Universal Fuel Line Kits
Tanks Inc. universal fuel line kits include 25 ft. of line and all or most of the fittings that you need to plumb your fuel system when using a Tanks Inc. fuel pump. The kits will give you all the fittings needed to plumb a FI-Tech system and most fittings to plumb systems that use an external fuel regulator, such as MSD Atomic, Holley Terminator, or FAST EZ-EFI. Tanks Inc. universal fuel line kits include: * Fuel filter * Two quick-disconnect fittings for fuel filter * Two 1/4 in. NPT to -6 AN fuel pump adapter fittings * Six -6 AN straight Twist-Lok fittings * 25 ft. -6 AN black Twist-Lok fuel hose
( 19 )
$308.99
—
$324.99
Continental Molded Heater Hoses
Continental heater hoses are original equipment molded heater hoses for popular applications. The tube in Continental's universal or pre-curved molded heater hoses is made with Versigard rubber--a compound that's highly resistant to heat, oil, and weather. The patented knit reinforcement is made with Tylanar fabric--a material that meets or exceeds the requirements of SAE J20R3, D1. Additional features include: * Designed for those vehicles requiring multiple or severe bends * Original configurations to ensure a perfect fit * Fits popular applications * Rugged construction
( 27 )
$8.99
—
$73.99
Continental OE Technology Series Silicone Heater Hoses
For higher temperature service or for transferring engine coolant, Continental OE Technology Series silicone heater hoses are a wise aftermarket choice, in both automotive and commercial truck replacement parts. The red silicone inner tube is reinforced by a polyester spiral, covered with an outer layer of blue silicone. These heater hoses can withstand a temperature range of -65 to 350 degrees F. A variety of inside and outside diameters is available, all shipped in 50 ft. cartons. Continental silicone heater hoses meet these SAE specifications: J20R3 HT Class A. This product is not for fuel or oil transfer applications. (Use the lined clamps, sold separately, to prevent the host from extruding or shearing through the band notches when tightened.)
Not Yet Reviewed
$267.99
—
$346.99
