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Earl's GM LT Gen-V Oil Cooler Block Off Plate

Earl's Oil Cooler Block-Off w/ 12mm x 1.5 Port - Fits OEM Sensor


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Earl's GM LT Gen-V oil cooler Block-Offs are billet aluminum covers that omit the oil cooler and have 2 port options for a sensor, oil pressure gauge, or turbo oiling. Choose from 1/8" NPT port or 12mm x 1.5 (OEM Sensor) port. The ports are located on the top of the cover for extra header clearance. Includes billet aluminum cover, O-ring seal (no gasket required), and mounting hardware. Black anodized finish.


  • Billet Aluminum w/ Black Anodized Finish
  • O-Ring Seal – Doesn’t Require a Gasket
  • 1/8” NPT or 12mm x 1.5 Port
  • Port Can be Used for OEM Sensor, Oil Pressure Gauge, or Turbo Oil Supply
  • Includes Block-Off Plate, O-Ring, and Mounting Screws
  • Fits Most GM LT Engines – 2014 & Up


Adapter TypeOil Cooler Block-Off
Emission Code5
FinishAnodized Black
Material6061 Aluminum
Port Size12mm x 1.5
Product LinePremium
Product TypeOil Cooler Block-Off
Part Number1136ERL



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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