Earls Oil Thermostat #501ERL

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Oil Thermostat -10 AN Female O-Ring Seal Minimum 160 F Maximum 180 F
To insure quick warm up under cold weather conditions, use our oil-stat. This uniquely designed product controls oil temperature like a thermostat controls water temperature in a radiator. Designed for passenger car and light truck usage with Earl's Temp-A-Cure(TM) oil coolers. Billet 6061-T6 aircraft aluminum with three sensor ports.


  • Billet Housing
  • Allows Monitoring Of Oil Temp, Flow & Pressure
  • Three Sensor Ports
  • Thermostat Design
  • Insures Quick, Controlled Warm-Up
  • Suitable for Use on Engine or Transmission Cooling
Brand Earls
Dimension 4.000 By 4.000 Square by 1.375 Thick
Emission Code 5
Finish Anodized Black
Fully open 180 Degrees Farenheit
Material Billet Aluminum
Mount Hole Diameter 1/4 Inch
Port Size 7/8-14 Female (-10 O-Ring Boss)
Product Type Oil Cooler
Sensor Port Thread 1/8 NPT ( Three Total )
Starts to open 160 Degrees Farenheit
Warning California Proposition 65

Click here for Instructions for Part# 501ERL