Earls Sandwich Filter Adapter

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


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These units allow the adaptation of an oil cooler to most engine while maintaining the stock oil filter location. Sandwich Filter Adapter Center Post Size 20 x 1.5 mm Port Size 3/8 inch NPT ports. Many Honda, Hyundia, Kia, Mitsubishi & Dodge.


  • 3/8 in. Female NPT Thread
  • Oil Cooler Adaptation
  • Adapts To Any Engine
  • Maintains Stock Filter Locale
  • Add Approx. 1" To Filter Length


Center Stud Diameter20MM X 1.5
Emission Code5
Inner O-Ring Diameter2-1/2 Inch
MaterialCast Aluminum
Outer O-Ring Diameter3-1/8 Inch
Port Size3/8 NPT FEMALE
Product TypeOil Cooler
Part Number514ERL


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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