Fuel System Plumbing Adapters & Fittings
These fittings are designed to simplify the fuel system plumbing in your carbureted racecar. We offer a large selection of NPT, Metric, SAE, and AN (JIC) adapters to build a wide variety of different low-pressure fuel systems.
If you are building a high-pressure fuel system for fuel injection, check out our extensive selection of Fuel Injection Plumbing Adapters and Fittings!
Not sure what size you have? Check out our Threaded Plumbing Fitting Identification Guide for more information.
Related Technical Documents |
Threaded Plumbing Fitting Identification GuideAN Fitting and Hose SizesNPT Fittings: Background and Use |
Recent Top Seller for this product group | |
| This 1/8 NPT to 5/16 (8mmm) brass hose barb fitting is useful for connecting rubber fuel line to fuel pumps, pressure regulators, carburetors, or Tee fittings. |
| Image | Part No. | Description | Price | Stock Status |
|---|---|---|---|---|
 | 2542 | Fuel Sample Port with Dual Viton Seals | $18.99 | In Stock |
 | AEI-15631 | $123.95 | In Stock | |
 | 3212 | Female Tee Fitting, 1/8 NPT Brass | $5.89* | In Stock |
 | 3220-02-04 | 1/8 NPT to 1/4 Hose Barb Fitting, Brass - Straight | $1.99 | In Stock |
 | 3221-02-04 | 1/8 NPT to 1/4 Hose Barb Fitting, Brass - Right Angle | $11.29 | In Stock |
 | 3220-02-05 | 1/8 NPT to 5/16 (8mm) Hose Barb Fitting, Brass - Straight | $2.49* | In Stock |
 | 3221-02-05 | 1/8 NPT to 5/16 (8mm) Hose Barb Fitting, Brass - Right Angle | $6.49* | In Stock |
 | 3220-04-05 | 1/4 NPT to 5/16 (8mm) Hose Barb Fitting, Brass - Straight | $2.79 | In Stock |
 | 3220-02-06 | $2.59* | In Stock | |
 | 3220-04-06 | $2.59 | In Stock | |
 | 3221-04-06 | $8.79* | In Stock | |
 | AEI-15635 | $25.95 | In Stock | |
 | AEI-15628 | $18.95 | In Stock | |
 | AF411-06-05BLK | $10.79 | In Stock | |
 | AF411-06-05S | $9.89 | Not In Stock notify me when available | |
 | AF411-06BLK | $10.79 | In Stock | |
 | AF745-02-Color | $10.49 | In Stock | |
 | 3228-304-Size-Size | $9.79 to $15.29* | In Stock | |
 | 3228-305-Size | Male AN 90 Degree Elbow Pressure Gauge Adapter, 1/8 NPT Port | $16.59 to $37.49* | In Stock |
 | 1069-Size | Male AN Straight Fuel Pressure Gauge Adapter, 1/8 NPT Port | $11.44 to $19.99* | In Stock |
 | AF140-04-SS | 4AN Male to 4AN Female Adapter w/ 1/8 NPT in Hex, Stainless | $16.99 | In Stock |
 | 1069-06MF | 6AN Male to 6AN Female Adapter with 1/8 NPT in Hex, Aluminum | $11.99* | In Stock |
 | 1069-08MF | 8AN Male to 8AN Female Adapter with 1/8 NPT in Hex, Aluminum | $15.34* | In Stock |
 | AEI-15694 | $30.95 | Not In Stock notify me when available | |
 | 3289-Size-Size | $36.99 to $69.99* | In Stock | |
 | 3228-001-Size-Size | AN Y-Fitting, Male Inlet to Male Outlets | $29.22 to $38.47 | In Stock |
 | AEI-15671 | $61.95 | In Stock | |
 | AEI-15677 | $82.95 | In Stock | |
 | AF931-Size-Color | $32.49 to $53.49 | In Stock | |
 | 3275-001 | $7.64* | In Stock | |
 | 3275-002 | $20.99 | In Stock | |
 | 3275-003 | Male 12 x 1.5mm Concave Seat to 6AN Male Adapter, Aluminum | $7.59* | In Stock |
 | 3275-005 | $7.59* | In Stock | |
 | 3228-306 | $11.74 | In Stock | |
 | 3275-006 | $7.59* | In Stock | |
 | 3275-007 | $37.99* | In Stock | |
 | AF710-06 | 5/8-18 Female Inverted Flare to 6AN Male Adapter, Steel | $5.99 | In Stock |
 | AF710-08 | $4.49 | In Stock | |
 | 3275-009 | $37.99* | In Stock | |
 | 3275-010 | $54.99* | In Stock | |
 | 3275-011 | $44.99* | In Stock | |
 | 3228-129 | Replacement Crush Washer for 3275-0xx Banjo Hose End, 5-Pack | $10.99* | In Stock |
 | 3275-012 | Male 12 x 1.25mm (Solex) to 6AN Male Adapter, Aluminum | $13.49 | In Stock |
 | 3228-400 | 16mm Bore Right Angle Banjo to 6AN Hose End | $54.99* | In Stock |
 | 3228-401 | $41.99* | In Stock | |
 | 3228-402 | 16mm Bore Right Angle Banjo to Double 6AN Hose End | $43.99* | In Stock |
 | 3242-037 | 12 x 1.5mm Banjo Bolt for Weber Carburetor, 16mm Shoulder | $29.19* | In Stock |
 | 3242-038 | $29.79* | In Stock |
* Quantity Pricing Available
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Air & Fuel DeliveryPlumbing Adapter Fittings |