Availability
Vacuum Caps and Plugs
Showing In Stock Items. Show All 18 Items.
Summit Racing™ Vacuum Line Cap Kits
These convenient cap kits from Summit Racing™ provide a quick, sure way to seal vacuum line connections at carburetors, manifolds, etc., when vacuum lines have been removed. They consist of color-coded soft plastic caps.
( 11 )
$10.99
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$38.99
Titan Tekz Vacuum Cap Kits
Titan vacuum cap kits can provide a sure way to seal vacuum line connections on your carburetors, manifolds, etc., when the vacuum lines have been removed. These vacuum caps are constructed from durable, heat-resistant Buna-N rubber. They come in a range of sizes in a convenient, resealable plastic case to keep the vacuum caps organized. Kits contain: * (20) 3/16 in. * (20) 5/32 in. * (20) 7/32 in. * (10) 1/4 in. * (5) 5/16 in. * (5) 3/8 in.
( 59 )
$12.99
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$19.99
Edelbrock Vacuum Caps
Edelbrock vacuum caps provide a way to seal vacuum line connections on your intake manifold, carburetor, or wherever you need. The rubber sets contain a variety of sizes for versatile uses.
( 10 )
$14.95
Dorman Vacuum Caps
Dorman vacuum caps are available in a variety of sizes, colors, and materials. These caps are designed to block off unused vacuum ports and lines, helping to avoid leaks and inadequate engine performance.
( 23 )
$2.99
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$7.99
Pico Vacuum Cap Kits
Pico vacuum caps are available in a variety of sizes, colors, and materials. These caps are designed to block off unused vacuum ports and lines, helping to avoid leaks and inadequate engine performance. Order the kit that best fits your application.
( 2 )
$1.99
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$18.99
Holley Vacuum Line Cap Kits
Holley vacuum line cap kits feature a selection of different sized vacuum tube caps. These caps are an indispensable addition to any professional tool kit.
( 13 )
$20.07
Milodon Vacuum Line Caps
Cap off your vacuum ports and connections with Milodon vacuum line caps. They are a simple way to temporarily or permanently cap off connections and ports with the lines removed. Each kit contains several cap sizes.
( 5 )
$9.95
Moroso Vacuum Line Cap Kits
Moroso convenient vacuum line cap kits provide a quick, sure way to seal vacuum line connections at carburetors, manifolds, etc., when the lines have been removed. They consist of color-coded soft plastic caps.
( 1 )
$12.99
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$17.99
Performance Tool Vacuum Cap Kits
Performance Tool vacuum cap kits provide a quick and sure way to seal vacuum connections. Use them on carburetors, manifolds, or where various vacuum tube caps are needed. Cap lines and hoses while testing emission control systems, diaphragm, and much more. Performance Tools vacuum caps are constructed from durable and heat-resistant Nitrile rubber.
Not Yet Reviewed
$14.99
Tanks Inc. Hose Barb Fuel Vent Caps
Tanks Inc. hose barb fuel vent caps are made from durable, fuel-proof Viton® rubber. They effectively seal fuel vent lines or vacuum ports, preventing fuel tank contamination from dirt, water, and debris. Select the quantity needed.
Not Yet Reviewed
$6.99
Mr. Gasket Vacuum Line Cap Kits
Mr. Gasket vacuum line cap kits are made of Buna-N rubber for durability and longer life than neoprene/vinyl, especially when exposed to high temperatures. They are used to block off open engine vacuum fittings.
( 1 )
$14.16
United Pacific Vacuum Caps
United Pacific vacuum cap packs include an assortment of sizes to seal off vacuum lines/ports/connections to keep air and contaminants out. Each pack provides six of each size ranging from 1/8 or 1/2 in.
Not Yet Reviewed
$4.99
Trans-Dapt Performance Vacuum Line Plastic Cap Kits
Seal vacuum line connections with these cap kits from Trans-Dapt. Each set includes several sizes and colors of plastic caps.
( 2 )
$8.99
Sierra Marine Plug-Off Caps
Sierra Marine plug-off caps are made from durable, high-quality rubber. They're perfect for blocking off vacuum lines or hoses to perform engine diagnostic tests. The caps are available in different sizes so you can use them for a variety of applications in your engine bay.
( 1 )
$10.99
ACDelco GM Genuine Parts Water Caps
ACDelco GM Genuine Parts water caps are manufactured to be an exact replacement for your vehicle. These true OE caps deliver peace of mind that the fit, form, and function meet high factory standards. Order the model recommended for your GM application.
( 1 )
$3.99
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