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Summit Racing™ AN Flare Caps

Summit Racing™ AN flare caps prevent dirt and debris from entering externally threaded hose fittings and adapters. Features include the ability to seal automotive-type fluids, lightweight aluminum construction, and a great looking anodized or plated finish.

4.76 out of 5 stars ( 88 )

$2.99

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$8.99

Earl's Performance AN Caps

These Earl's Performance AN caps prevent dirt and debris from entering externally threaded hose fittings and adapters. Designed to seal automotive-type fluids, they're manufactured from aluminum and feature an attractive blue anodized finish for a great appearance.

5.0 out of 5 stars ( 41 )

$10.02

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$17.21

Fragola Performance Systems Flare Caps

Whether you need bulkheads, tees, unions, reducers, swivels, couplers, or elbows to complete your plumbing job, look no further than Fragola for the finest fittings and adapters available. To the people at Fragola, engineering has great value, and perfecting their hose ends and fittings is serious business. Fragola Performance Systems flare caps are manufactured from aerospace-quality aluminum to exacting standards for a secure connection and then anodized for added durability. These American-made flare caps are available in varying sizes to fit nearly any application. Plumb with precision fittings from Fragola Performance Systems.

4.87 out of 5 stars ( 54 )

$2.99

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$18.99

Allstar Performance AN Cap Fittings

Allstar Performance AN cap fittings are available in plastic or aluminum—designed to fit 37 degree flared fittings. They keep debris out of lines and hoses, as well as the internal components of fuel pumps, dry sump pumps, and pressure regulators while in storage. Order the size and quantity needed for your application.

4.89 out of 5 stars ( 9 )

$3.79

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$29.99

Vibrant Performance AN Flare Caps

These Vibrant Performance AN flare caps prevent dirt and debris from entering externally threaded hose fittings and adapters. They are manufactured from durable aluminum and then anodized black for maximum protection.

5.0 out of 5 stars ( 10 )

$5.50

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$15.29

Russell ProClassic AN Cap Fittings

Russell ProClassic AN cap fittings use a 37 degree sealing angle that guarantees a positive seal at maximum operating pressures. They feature aluminum construction that has been black anodized for protection against corrosion.

4.86 out of 5 stars ( 7 )

$8.95

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$15.95

Nitrous Outlet AN Cap Fittings

What nitrous plumbing hardware do you need? Nitrous Outlet has AN cap fittings to top off your projects. Their offering of caps includes a choice of sizes made from quality materials. So, when you need to protect against dirt and debris, end your plumbing job with Nitrous Outlet AN cap fittings.

5.0 out of 5 stars ( 1 )

$4.99

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$10.99

Aeromotive Blanking Cap Kits

Aeromotive offers 3-piece quick-connect blanking cap kits for LT-series fuel pump module hats. They supply a clean solution to plug the unneeded vent and crossover line connections on late-model LT and similar passenger car and truck fuel pump modules. Each kit contains a 5/8 in., 3/8 in., and 5/16 in. quick-connect blanking cap. (May also be used where a quick-connect cap is needed.)

Not Yet Reviewed

$16.95

Russell AN Flare Caps

Russell AN flare caps prevent dirt and debris from entering externally threaded hose fittings and adapters. They are available in molded red plastic, anodized aluminum, and aluminum Endura nickel plated finishes. Protect your AN fittings by using one of the Russell AN flare caps.

4.96 out of 5 stars ( 25 )

$8.95

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$17.95

Jiffy-tite 3000 Series Quick-Connect Plug and Socket Caps

Discover the Jiffy-tite advantage for yourself with 3000 Series quick-connect dust plug and socket caps. They're designed to help keep unwanted dirt and debris out of your fittings while disassembled and protect the mating surfaces from physical damage. Tackle every plumbing challenge with Jiffy-tite! These quick-connect plugs and socket caps fit 3000 Series fittings only.

5.0 out of 5 stars ( 2 )

$5.18

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$6.09

Racing Automotive Group Performance AN Flare Caps

Racing Automotive Group Performance fittings provide a complete line of high-quality, affordable fittings that stand up to the rigors of motorsports. They offer a large assortment of fitting sizes and styles, including many hard-to-find items. Whatever the need, Performance fittings has you covered! Their Performance AN flare caps feature aluminum construction with durable anodized finishes in either blue or black and in several sizes to keep dirt and debris out of fittings and hoses. Their high-quality design and materials provide leak-free performance for your plumbing project.

5.0 out of 5 stars ( 1 )

$4.99

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$10.99

ARB Hose Coupling Dust Caps

ARB hose coupling dust caps will help keep dirt, dust, and other debris out of your hose couplings. Made from durable materials, these dust caps are an easy addition to install on each of your fitting ends, and they are great for use on vehicles that see high traffic in dusty and muddy conditions. Keep your hose coupler dust-free with one of these ARB hose coupling dust caps.

4.5 out of 5 stars ( 4 )

$3.95

Speedflow Flare Caps

Speedflow offers flare caps in a variety of materials and sizes. If you have a male AN fitting you need to block off, choose from a full range of aluminum AN flare caps to securely cover the fitting. The caps are a one-piece design, with twin sealing thanks to the AN flare and also a nitrile O-ring that snugly surrounds the flare O.D. to give a secondary fail-safe. The top-quality 6061-T6 fittings are anodized in either standard black or blue—and available in sizes -3 through -20. Speedflow also offers plastic caps as dust caps; these are designed just to block off your fittings when you want to store them or block them off during maintenance. Plastic caps will not hold pressure like the aluminum fittings.

Not Yet Reviewed

$0.72

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$9.87

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.

4.73 out of 5 stars ( 22 )

$4.99

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$7.99

DeatschWerks AN Flare Caps

DeatschWerks AN flare caps terminate fuel flow. They are constructed from heat-treated 6061-T6 aluminum and anodized. The finish will complement any engine bay and won't show tool marks like black fittings. DeatschWerks AN flare caps are strong, lightweight, and anti-corrosive.

5.0 out of 5 stars ( 3 )

$6.00

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$8.00

Aeroquip AN Tube Caps

The reusable Aeroquip AN tube caps prevent dirt and debris from entering externally threaded hose fittings and adapters. Designed to seal automotive-type fluids, they are available in your choice of blue anodized aluminum or steel.

5.0 out of 5 stars ( 4 )

$7.99

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$20.99

Redhorse Performance 929 Series AN Flare Caps

Redhorse Performance 929 Series AN flare caps prevent dirt and debris from entering externally threaded hose fittings and adapters. The AN flare cap fittings have the ability to seal automotive-type fluids, feature aluminum construction, and come in a wide range of sizes and anodized finishes—individually or in pairs. Select the AN flare caps for your application needs.

Not Yet Reviewed

$7.11

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$20.25

Boost Products USA Silicone Coolant Caps

Boost Products USA silicone coolant caps are reinforced with three textile layers to be extreme pressure-resistant and also to vacuum in your boost system. They are suitable for blanking of your intercooler or radiator pipes/tubes, intake systems, water lines, or similar uses. They are also ideal for use when an engine and/or auxiliary parts have been removed and been standing for a long time; corrosion is slowed down by closing open connections on the engine and parts. Boost silicone coolant end caps can withstand up to 5 Bar and temperatures up to 428 degrees F (220 degrees C). They are available in several inner diameters and come with a small subtle Boost Products logo which proofs the silicone hoses' quality.

5.0 out of 5 stars ( 2 )

$16.32

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$25.51

Jiffy-tite 5000 Series Quick-Connect Plug and Socket Caps

Discover the Jiffy-tite advantage for yourself with 5000 Series quick-connect dust plug and socket caps. They're designed to help keep unwanted dirt and debris out of your fittings while disassembled, and also protect the mating surfaces from physical damage. For all of your motorsports plumbing challenges, choose Jiffy-tite! Note: Fits 5000 series fittings only.

Not Yet Reviewed

$5.18

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$6.09

Jiffy-tite 2000 Series Quick-Connect Plug and Socket Caps

Discover the Jiffy-tite advantage for yourself with 2000 Series quick-connect dust plug and socket caps. They are designed to help keep unwanted dirt and debris out of your fittings while disassembled, and also protect the mating surfaces from physical damage. For all of your Motorsport plumbing challenges, choose Jiffy-tite! Note: Fits 2000 series fittings only.

Not Yet Reviewed

$5.18

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.

5.0 out of 5 stars ( 4 )

$18.99

Aeroquip Threaded Aluminum Dust Caps

Aeroquip offers reusable threaded dust caps to prevent dirt and debris from entering externally threaded hose fittings and adapters. They're manufactured from heat-resistant aluminum alloy and feature a wide, fluted finger-grip design for easy installation without tools.

2.33 out of 5 stars ( 3 )

$8.99

Russell Plastic AN Caps

Russell plastic AN caps are designed to prevent leaks after disassembly. They are designed for temporary use only, and must be removed before vehicle operation.

5.0 out of 5 stars ( 1 )

$7.95

Philadelphia Racing Products Flare Caps

When servicing AN hose assemblies, use Philadelphia Racing Products flare caps to seal off hose ends. These lightweight aluminum caps prevent leaks and spills—and are also handy for sealing ports and fittings. The caps are bathed in a black anodized finish for corrosion protection. Philadelphia Racing makes plumbing any fuel system easier! Order the flare cap sizes needed for your application.

5.0 out of 5 stars ( 1 )

$4.99

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$7.99