Earl's Spin On Adapter

Part # 1178ERL Be the first to write a review

Oil Filter By-Pass Adapter 3/4"-16 Thread Size 1/2" NPT Female, Billet, Most Ford, Chrysler, Toyota, & V-W vehicles with spin-on filter.

Estimated Ship Date: 07/18/2025

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$82.39

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Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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Many installations, particularly oil cooler installations, require the oil filter to be relocated. Earl's has bypass adapters for most spin-on applications w/ 3/4"-16 Threads.

Features:

Quick and Easy To Install

About Earl's

Shop the official site of Earl's Performance Plumbing and discover our selection of end-to-end fittings, hoses, and automotive plumbing solutions at Holley.com!

Brand	Earl's
Category	Engine
Center Stud Size	3/4-16
Diameter	3 in.
Emission Code	5
Finish	Anodized Black
Material	Billet Aluminum
O-Ring Diameter	2-3/4 Inches
O-Ring Cross Section	.139 Inches
Part Type	Engine Oil Filter Adapter
Port Size	1/2 NPT Female
Product Type	Oil Cooler
Sub Category	Hardware, Fasteners and Fittings
Thickness	1.500"
UPC	021432250177
Part Number	1178ERL