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Earls Spin On Adapter - Die Cast

Spin-On Adapter - Most 1997-'06 GM LS - 13/16"-16


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The GM LS engine has the oil filter mounted in a pocket in the side of the oil pan & sometimes it isn't in the ideal location when doing an engine swap. The stock oil filter is very small and this can restrict flow or require more frequent service. Earl's new spin-on oil filter adapters are an economical and easy way to relocate the oil filter & use a less restrictive larger filter at the same time. Add an Earl's remote filter mount, and AN hose & fittings to complete the installation.


  • Economical Way to Relocate Oil Filter
  • 1/2" NPT Female Ports
  • Cast Aluminum
  • O-Ring Seal
  • Fits Most GM LS 1997-'06


Center Stud Size13/16-16
Emission Code5
O-Ring Diameter2-3/4 Inches
O-Ring Cross Section.125
Port Size1/2 NPT Female
Product TypeOil Cooler
Part Number1131ERL



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.

Tech Resources

Check Thread Size on Oil Filter Stud. Most 1997-’06 GM LS engines have 13/16”-16 threads, and 2007 & up engines have 22mm x 1.5 threads. The GM Gen V LT engines use 22mm x 1.5 threads. May also fit other engines w/ 13/16"-16 Filter and 2-3/4" O-Ring Diameter.


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