Best Carburetor Caps in 2026

[Prevent Vacuum Leaks]: Use the ABN Rubber Vacuum Cap 115-Piece Assortment Rubber End Caps Vacuum Line Kit to plug up lines and hoses while testing carburetors, manifolds, emission control systems, vacuum lines, and more

[Perfect Fit]: Whether you are working on your family vehicle at home or working on various vehicles that come into your shop, use these vacuum line caps for the job; Rubber vacuum cap assortment carburetor vacuum caps set provides a snug, airtight fit for your projects

[Built to Last]: Depend on this automotive vacuum caps set to withstand repeated, extended use for your projects; Constructed from ethylene propylene diene monomer (EPDM) rubber for more strength, longevity, and resistance to rust and corrosion

Engineered from durable, heat- resistant vinyl

Provides a tight fit to prevent vacuum leaks

Excellent for capping lines and hoses while testing carburetors, emission control systems, vacuum lines, and more

【HIGH QUALITY】Made of durable flexible nitrile rubber,are durable,high temperature resistance.

【DETAILED SIZE】ID 3/8'' (9.52mm) * IL 1'' (25.4mm) = 5pcs dropper vacuum cap, ID 5/16'' (7.93mm) * IL 7/8'' (22.22mm) = 10pcs dropper vacuum cap, ID 1/4'' (6.35mm) * IL 1-1/4'' (31.75mm) = 15pcs dropper vacuum cap, ID 7/32'' (5.55mm) * IL 47/64'' (18.65mm) = 25pcs dropper vacuum cap, ID 3/16'' (4.76mm) * IL 11/16'' (17.46mm) = 25pcs dropper vacuum cap, ID 5/32'' (3.96mm) * IL 39/64'' (15.48mm) = 25pcs dropper vacuum cap.

【WIDE FEATURES】 Rubber vacuum caps can provide a tight fit to prevent vacuum leakage. Widely used in carburetor, manifold, automotive, pipelines and hoses etc.

High Quality: Made of durable flexible nitrile rubber,are durable,high temperature resistance.

Detailed Size: ID 3/8'' (9.52mm) * IL 1'' (25.4mm) = 5pcs dropper vacuum cap, ID 5/16'' (7.93mm) * IL 7/8'' (22.22mm) = 5pcs dropper vacuum cap, ID 1/4'' (6.35mm) * IL 1-1/4'' (31.75mm) = 10pcs dropper vacuum cap, ID 7/32'' (5.55mm) * IL 47/64'' (18.65mm) = 20pcs dropper vacuum cap, ID 3/16'' (4.76mm) * IL 11/16'' (17.46mm) = 20pcs dropper vacuum cap, ID 5/32'' (3.96mm) * IL 39/64'' (15.48mm) = 20pcs dropper vacuum cap.

Wide Features: Rubber vacuum caps can provide a tight fit to prevent vacuum leakage. Widely used in carburetor, manifold, automotive, pipelines and hoses etc.

【Come with 6 SIZE & 102 QUANTITY】 3/8" ID(1" Length): 6PCS, 5/16" ID(7/8" Length): 10PCS, 1/4" ID(1-1/4" Length): 11PCS, 7/32" ID(47/64" Length): 25PCS, 5/32" ID(39/64" Length): 25PCS, 3/16" ID(9/16" Length): 25PCS

【Made of Flexible and Durable High Quality Rubber Material】They have good electric resistance capability, Corrosion resistance, high temperature resistance, UV resistant, more durable and tear-resistant, THICK and solid

【Practical and Space Saving】Comes with a convenient plastic storage case. It's easy to find correct vacuum caps quickly, saves your time of running around looking for a particular size

High Quality: Made of durable flexible nitrile rubber,are durable,high temperature resistance.

Detailed Size: Vacuum cap sizes measured from the inner diameter (ID) and will fit on the corresponding tubing outer diameter (OD); (15PCS) 1/8” W x 9/16” L (3x14mm), (15PCS) 3/16” W x 9/16” L (5x14mm), (15PCS) 3/16” W x 1-1/4” L (5x30mm), (15PCS) 1/4” W x 9/16” L (6x14mm), (10PCS) 1/4” W x 1-1/4” L (6x30mm), (10PCS) 5/16” W x 9/16” L (8x14mm), (10PCS) 5/16” W x 1-1/4” L (8x30mm), (10PCS) 3/8” W x 1” L (10x25mm), (10PCS) 3/8” W x 1-1/2” L (10x38mm), (10PCS) 1/2” W x 11/16” L (12x18mm).

Wide Features: Rubber vacuum caps can provide a tight fit to prevent vacuum leakage. Widely used in carburetor, manifold, automotive, pipelines and hoses etc.

Vacuum Hose Cap: The appropriate size can provide a tight fit to prevent vacuum leakage; the vacuum cover is used for manifolds, capping pipelines and hoses, while testing emission control systems, vacuum lines, diaphragms, etc; the appropriate size can also be used as an ordinary rubber cap.

Vacuum Caps Assortment: The vacuum caps set contains 6 sizes, you can choose according to your needs, and quickly find the right caps.Refer to the main drawing or description for dimensions.

Automotive Vacuum Hose: In order to facilitate maintenance, we can prepare some vacuum line cap kits at home or in the car. At critical moments, he can always help you; he can help you repair the car's carburetor hose and handle the intake manifold.

✅【HIGH QUALITY】These vacuum caps are made of high quality rubber, soft, durable, flexible and insulated, which have higher strength, service life and anti-corrosion capabilities.

✅【SIZE & QUANTITY】This black end caps assortment kit have 6 different sizes for you to choose, including 3/16''(25pcs), 5/32"(25pcs), 7/32"(25pcs), 1/4"(10pcs), 5/16''(10pcs) and 3/8''(5pcs).

✅【PERFECT FIT】Right size vacuum caps can provide a snug, airtight fit for your vacuum project. Also can be used as an ordinary end cap, which can cover any scratches or burrs that may occur during the cutting process, provide protection against injury by pointed rod and tubing edges.

Constructed of durable flexible nitrile rubber

Provides a tight fit to prevent vacuum leaks

80 pcs heat resistant nitrile rubber vacuum cap assortment

【160Pcs Vacuum Caps】3/8 inch (10PCS),5/16 inch (10PCS), 1/4 inch (20PCS), 7/32 inch (40PCS), 3/16 inch (40PCS), 5/32 inch (40PCS)

【Convenient Packaging - 6Sizes】Package includes 80pcs rubber vacuum cap kit in 6 sizes packed in a convenient plastic case, saving your time of running around looking for a particular size vacuum cap. Also, the package allows for better storage of vacuum caps.

【Wide Application】These Vacuum Hose Automotive Caps can provide a tight fit to prevent vacuum leakage. Widely used in the carburetor, manifold, automotive, pipelines, hoses, etc.

Plastic Carburetor Hat

Plastic Carburetor Hat

Plastic Carburetor Hat

package dimensions :26.924 cm L x 19.05 cm W x 6.096 cm H

Aluminum carb hat keep the carburetor safe when the air cleaner is removed

Fit type: Vehicle Specific

【HIGH QUALITY】Made of durable flexible nitrile rubber, are durable, high temperature resistance.

【MORE CHOICES】Vacuum caps kit included 8 of the most commonly used sizes, can meet almost all your needs. Packed in a clear plastic case, makes it easy to find correct item quickly, saves your time of running around looking for a particular size vacuum caps.

【DETAILED SIZE】1/8'' x 9/16'' = 15pcs, 5/32'' x 39/64'' = 15pcs, 3/16'' x 11/16'' = 15pcs, 7/32'' x 47/64'' = 10pcs, 1/4'' x 1-1/4'' = 8pcs, 5/16'' x 7/8'' = 6pcs, 5/16'' x 1-1/4'' = 6pcs, 3/8'' x 1'' = 5pcs.

【WIDE AUTOMOTIVE APPLICATION】Provide a tight fit to prevent vacuum leakage. Widely used in carburetor, manifold, pipelines, hoses, coolant and vacuum ports, hvac business, emmisions port on a carburetor, sensitive sensors from debris during maintenance/repairs

【Made of Flexible and Durable High Quality Rubber Material】They have good electric resistance capability, Corrosion resistance, high temperature resistance, UV resistant, more durable and tear-resistant, THICK and solid

【Practical and Space Saving】Comes with a convenient plastic storage case. It's easy to find correct vacuum caps quickly, saves your time of running around looking for a particular size

Package Dimensions: 27.432 cm (L) X 19.812 cm (W) X 6.096 cm (H)

Package Type: Auto Part

Package Quantity: 1

【Come with 10 SIZE & 90 QUANTITY】 1/8" Tube OD(9/16" Length): 12PCS, 3/16" Tube OD(9/16" Length): 10PCS, 1/4" Tube OD(9/16" Length): 10PCS, 3/16" Tube OD(1-1/4" Length): 10PCS, 1/4" Tube OD(1-1/4" Length): 8PCS, 3/8" Tube OD(1" Length): 8PCS, 5/16" Tube OD(9/16" Length): 8PCS, 5/16" Tube OD(1-1/4" Length): 8PCS, 3/8" Tube OD(1-1/2" Length): 8PCS, 1/2" Tube OD(11/16" Length): 8PCS

【Made of Flexible and Durable High Quality Rubber Material】They have good electric resistance capability, Corrosion resistance, high temperature resistance, UV resistant, more durable and tear-resistant, THICK and solid

【Practical and Space Saving】Comes with a convenient plastic storage case. It's easy to find correct vacuum caps quickly, saves your time of running around looking for a particular size

LUCAS DISTRIBUTOR CAP AND BRITPART ROTOR ARM COMPATIBLE WITH LAND ROVER RANGE ROVER CLASSIC / DISCOVERY 1 1994 - 1995 V8 PART # STC8368 & STC1857.

Compatible with Discovery I 1994 - 1995, RR Classic 1987 - 1995, Defender 90 1993 - 1996, Defender 110 1993.

Part # STC8368. Brand: Lucas & Part # STC1857. Brand Britpart. Part # 4 and # 5 on Picture Product Description: V8 Twin carburetor models, ignition distributor cap and rotor arm.

【HIGH QUALITY】These vacuum caps are made of 100% durable flexible nitrile rubber for more strength, longevity, and resistance to rust and corrosion.

【QUANTITY& SIZE 】The inner diameter(ID) of the vacuum cover is the same as the outer diameter(OD) of the suitable pipe.(IDxLONG) (15PCS)1/8’’x9/16’’(3x14mm); (15PCS)3/16’’x9/16’’(5x14mm); (15PCS)1/4’’x9/16’’(6x14mm); (10PCS)5/16’’x9/16’’(8x14mm); (10PCS)1/2’’x11/16’’(12x18mm); (15PCS)3/16’’x1-1/4’’(5x30mm); (10PCS)1/4’’x1-1/4’’(6x30mm); (12PCS)5/16’’x1-1/4’’(8x30mm); (10PCS)3/8’’x1’’(10x25mm); (10PCS)3/8’’x1-1/2’’(10x38mm)

【SAE FIT】Strictly in accordance with (SAE) standard size, open mold production .Right size rubber vacuum caps can provide a tight fit to prevent vacuum leakage.

Intake Manifold Vacuum Fitting: Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.

Thread Protector: It is simple in design, but very practical in use, which brings great convenience to you.

Automotive Replacement Parts: It is manufactured with professional technology to ensure the product can work for a time.