Earls Billet Oil Thermostat #503ERL

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Billet Aluminum Sandwich Style Oil Thermostat 13/16-16 Center Post 10 AN Female O-Ring Seal
These billet aluminum units facilitate quick oil warm up. Opening starts at 160*F (71.1C) and they are fully open at 180*F (82.2C).


  • Made For Most Typical Applications
  • Billet Aluminum Sandwich Style
  • Facilitate Quick Oil Warm-Up
Brand Earls
Center Stud Diameter 13/16-16
Emission Code 5
Finish Natural
Fully open 180 Degrees Farenheit
Inner O-Ring Diameter 2.887 Inches
Material Billet Aluminum
O-Ring Cross Section .139 Inches
Outer O-Ring Diameter 3.387 Inches
Port Size 7/8-14 Female (-10 O-Ring Boss)
Product Type Oil Cooler
Starts to open 160 Degrees Farenheit
Thickness 1.475"

Click here for Instructions for Part# 503ERL