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GM Genuine Parts Engine Oil Cooler and Oil Filter Assembly
OE

GM Genuine Parts Engine Oil Cooler and Oil Filter Assembly

GM Part #55566784

ACDelco Part #55566784

MSRP$356.67*

GM Genuine Parts Engine Oil Coolers are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps maintain proper engine oil operating temperatures
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

About this product

GM Genuine Parts Engine Oil Coolers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These coolers are heat exchangers. They transfer heat to and from your vehicle's engine oil to the engine coolant or ambient air. This helps keep the engine oil temperature within the designed operating range, which helps optimize engine efficiency and longevity. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Helps maintain proper engine oil operating temperatures
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

Width2.8 in / 71 mm
Mounting Hardware IncludedNo
Core MaterialAluminum
Length11.3 in / 286.8 mm
Outlet Diameter0.9 in / 24 mm
ClassificationOE
Inlet Diameter0.6 in / 16 mm

Limited Lifetime Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

  • Keep oil and filter changed at required intervals
  • Keep cooler line clamps tight to prevent leaks
  • Keep cooler secure to prevent contact wear damage

ModelBody StyleTrimYear(s)
EncoreBase2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

Frequently Asked Questions

Yes. Overheated oil loses its viscosity and may cause failure in internal engine components.

Yes. Make sure to use a soft brush, or low pressure water, to help prevent damage to the cooler core fins.