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Fuel Injection to AN Adapters

We stock many different plumbing adapters to help you plumb your fuel injection system with AN hose. The parts shown here are some of the most popular adapters for some common applications.

Not sure which AN size you need? Check out our guide to AN Fittings and Hose Sizes for detailed information.

Threaded Plumbing Fitting Identification Guide

AN Fitting and Hose Sizes

BSP Fittings: Identification and Logic

Recent Top Seller for this product group
	Male 12 x 1.5mm Metric Concave Seat to 6AN Male, Steel This steel adapter has 12x1.5mm male threads to fit the outlet of the popular Bosch 044 Fuel Pump. The other end has a 6AN male fitting (9/16-18, 37 deg flare).

Part No.	Description	Price	Status
3276-003	Male 12 x 1.5mm Metric Concave Seat to 6AN Male, Steel 5.0	$13.99*	In Stock
3276-027	Male 14 x 1.5mm Metric Concave Seat to 6AN Male, Aluminum	$12.99*	In Stock
3276-004	Male 14 x 1.5mm Metric Concave Seat to 6AN Male, Steel	$16.49*	In Stock
3265-33	Male 14 x 1.5mm Metric Concave Seat to 8AN Male, Steel	$14.29*	In Stock
3276-025	Male 18 x 1.5mm Metric Concave Seat to 6AN Male, Aluminum	$20.99*	In Stock
3276-006	Male 18 x 1.5mm Metric Concave Seat to 6AN Male, Steel	$14.29*	In Stock
3276-024	Male 18 x 1.5mm Metric Concave Seat to 8AN Male, Aluminum	$25.99*	In Stock
3497-007-Size-Size	AN to Metric O-Ring Adapter Fittings, Aluminum	$7.99	In Stock
3497-021	LT1 Fuel Injection Adapter, 6AN Male x 5/16" Female, Return	$18.79	In Stock
AF808-01-BLACK	EFI Adapter, 6AN Male x 5/16" Female QC, LT1 Return	$12.99	In Stock
AF803-01-BLACK	EFI Adapter, 6AN Male to 5/16 Female QC, 90 degree	$19.99	In Stock
AEI-15117	LT1 Fuel Injection Adapter, -6 Female to 5/16" Female QC	$36.16	In Stock
3497-020	LT1 Fuel Injection Adapter, 6AN Male x 3/8" Female QC, Feed	$18.79	In Stock
AF808-02-BLACK	EFI Adapter, 6AN Male x 3/8" Female QC, LT1 Feed	$12.99	In Stock
AF803-02-BLACK	EFI Adapter, 6AN Male to 3/8 Female QC, 90 degree	$19.99	In Stock
3497-022	LT1 Fuel Injection Adapter, 8AN Male x 3/8" Female QC, Feed	$20.49	In Stock
AF808-03-BLACK	EFI Adapter, 8AN Male x 3/8" Female QC, LT1 Feed	$12.99	In Stock
AF803-03-BLACK	EFI Adapter, 8AN Male to 3/8 Female QC, 90 degree	$21.99	In Stock
AEI-15118	LT1 Fuel Injection Adapter, -8 Female to 3/8" Female QC	$38.57	In Stock
AEI-15126	LT1 Fuel Injection Adapter, -8 Male ORB to 3/8" Male QC	$36.84	In Stock
AEI-15104	LT1 Fuel Injection Adapter, 10AN Male x 3/8" Male, Filter In	$53.53	In Stock
AEI-15129	LT1 Fuel Injection Adapter, -10 Male ORB to 1/2" Male QC	$45.66	In Stock
AEI-15128	LT1 Fuel Injection Adapter, -10 Female to 1/2" Female QC	$42.57	In Stock
AEI-15131	LT1 Fuel Injection Adapter, -12 Male ORB to 1/2" Male QC	$59.44	In Stock
AEI-15130	LT1 Fuel Injection Adapter, -12 Male ORB to 5/8" Male QC	$59.44	In Stock
AEI-15103	Ford Fuel Injection Adapter, 6AN Male x 5/16" Male, Filter	$36.81	In Stock
AEI-15123	Ford Fuel Injection Adapter, 6AN Male x 3/8" Male, Return	$21.70	In Stock
AEI-15101	Ford Fuel Injection Adapter, 6AN Male x 3/8" Female, Return	$36.81	In Stock
AEI-15124	Ford Fuel Injection Adapter, 6AN Male x 1/2" Male, Feed	$21.70	In Stock
AEI-15125	Ford Fuel Injection Adapter, 8AN Male x 1/2" Male, Feed	$22.58	In Stock
AEI-15102	Ford Fuel Injection Tee, 2x 8AN Male x 1/2" Female, Feed	$73.83	In Stock
AF810-05-BLACK	EFI Adapter, 8mm (5/16") Barb to 5/16" Male QC	$8.49	In Stock
3242-047	Single Banjo Bolt 1/4 BSP Thread, Steel	$6.99*	In Stock