Free shipping on orders over $100 - Details

Earls Sandwich Filter Adapter

Sandwich Filter Adapter Center Post Size 20 x 1.5mm Port Sizes 3/8" NPT.

Part # 517ERL Be the first to write a review
In Stock
Your Price
Suggested Retail
Add to Wish List
These units allow the adaptation of an oil cooler to any engine while maintaining the stock oil filter location. Center Stud has 1-1/8" Hex.


  • Oil Cooler Adaptation
  • 3/8" NPT Female Pipe Thread
  • Add Approx. 1" To Filter Length
  • Maintains Stock Filter Location
  • Adapts To Any Engine
  • Center Stud has 1-1/8" Hex

About Earls

Earl's Performance Plumbing brought aviation fluid transfer technology to the automotive performance market over five decades ago. With the most extensive line of plumbing products available, you can count on Earl's from start to finish.

Center Stud Diameter20MM X 1.5
Emission Code5
MaterialBillet Aluminum
O-Ring Cross Section.210 Inches
O-Ring Diameter2-1/2 Inches
Port Size3/8 NPT FEMALE
Product TypeOil Cooler
Part Number517ERL

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.


    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.