GM parts logo
GM Genuine Parts Engine Coolant Thermostat Housing Gasket
OE

GM Genuine Parts Engine Coolant Thermostat Housing Gasket

GM Part #12620318

ACDelco Part #12620318

MSRP$8.40*

GM Genuine Parts Engine Coolant Thermostat Housing Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage
  • 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 Coolant Thermostat Housing Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help seal the gap between the exterior of your vehicle's thermostat housing and engine. 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 seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage
  • 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

MaterialEPDM
Thickness0.308 in / 7.83 mm
ClassificationOE
ColorBlack

24 Months/Unlimited Miles Limited 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:

  • Use approved gasket sealer silicone
  • Use the recommended coolant type for your vehicle

ModelBody StyleTrimYear(s)
CT5V Blackwing2022, 2023, 2024, 2025, 2026
CTSV2016, 2017, 2018, 2019
Escalade2015, 2016, 2017, 2018, 2019, 2020
Escalade ESV2015, 2016, 2017, 2018, 2019, 2020