GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Gasket
OE
Pack of 1

GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Gasket

GM Part #12677819

ACDelco Part #12677819

MSRP$39.56*

GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps provide a leak-free seal
  • Allows exhaust pollutants to enter the engine for re-burn
  • Helps the engine emission system operate properly

Pack of 1

About this product

GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help provide a gas-tight seal for the EGR valve mounting flange. They are made from high temperature materials, and should be replaced whenever you service the EGR valve. 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).

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  • Helps provide a leak-free seal
  • Allows exhaust pollutants to enter the engine for re-burn
  • Helps the engine emission system operate properly
  • 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

Width3.2in
Length3.9in
Port Quantity1
Thickness0.0314 in / 0.8 mm
Bolt Hole Quantity4
ClassificationOE
MaterialNickel Alloy, Stainless Steel

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:

  • Replace gasket at signs of carbon build-up around EGR to engine connection.
  • Keep EGR bolts tight.

ModelBody StyleTrimYear(s)
Silverado 2500 HD2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Silverado 3500 HD2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Silverado 4500 HD2019, 2020, 2021, 2022, 2023, 2024, 2025
Silverado 5500 HD2019, 2020, 2021, 2022, 2023, 2024, 2025
Silverado 6500 HD2019, 2020, 2021, 2022, 2023, 2024, 2025

Frequently Asked Questions

Yes. If the sealing surfaces are pitted, causing the gasket not to seal, approved sealant may be used.

Yes. Overtightening the bolts may damage the gasket. Check vehicle specification for proper torque.