Product Description
Genuine GM 12627520 Rear Engine Cover Oil Gallery Seal for Gen V LT Engines
Fits 2014+ LT1, LT4, L83, L84, L86, L87, L82, L8T and L8B V8 Engines
Replace the rear engine cover oil gallery seal in a compatible Gen V LT-based GM V8 with Genuine GM part number 12627520. This factory replacement seal installs in the rear engine cover and seals the crossover passage between the two lifter oil galleries. Manufactured as a Genuine GM Original Equipment component, it provides the correct application-specific fit for supported 5.3L, 6.2L and 6.6L gasoline V8 engines. GM 12627520 is an essential sealing component when servicing, assembling or rebuilding a compatible LT1, LT4, EcoTec3 or other listed Gen V engine.
Key Features & Benefits
- Genuine GM Part Number 12627520: Manufactured as an Original Equipment GM engine component for the specified Gen V applications. The exact GM part number provides a clear reference when replacing the corresponding rear engine cover oil gallery seal.
- Seals the Oil Crossover Passage: Designed to seal the crossover passage located between the engine’s two lifter oil galleries. This specialized function makes it an important component of the Gen V rear engine cover assembly.
- Direct Factory Replacement: Replaces the corresponding original rear-cover seal without requiring a universal substitute or modification. Its application-specific design provides the proper fit needed during rear engine cover service or engine assembly.
- Gen V LT Engine Compatibility: Fits the listed LT1, LT4, L83, L84, L86, L87, L82, L8T and L8B gasoline V8 applications. Supported engine displacements include select 5.3L, 6.2L and 6.6L configurations.
- Suitable for Engine Service and Rebuilds: Provides the correct replacement sealing component when servicing the rear engine cover or assembling a compatible Gen V engine. It is useful for repair, maintenance and complete engine-rebuild projects requiring GM 12627520.
Key Fitments
Applications Include (Gasoline V8 Models):
- CADILLAC CT5 2022-2026
- CADILLAC CTS-V 2016-2019
- CADILLAC ESCALADE 2015-2026
- CHEVROLET CAMARO 2016-2024
- CHEVROLET CORVETTE 2014-2026
- CHEVROLET EXPRESS 2500 2018-2026
- CHEVROLET EXPRESS 3500 2018-2026
- CHEVROLET EXPRESS 4500 2021-2026
- CHEVROLET LCF 2020-2026
- CHEVROLET SILVERADO 1500 2014-2026
- CHEVROLET SILVERADO 1500 LTD 2022
- CHEVROLET SILVERADO 2500 2020-2026
- CHEVROLET SILVERADO 3500 2020-2026
- CHEVROLET SUBURBAN 2015-2026
- CHEVROLET TAHOE 2015-2026
- GMC SAVANA 2500 2018-2026
- GMC SAVANA 3500 2018-2026
- GMC SAVANA 4500 2021-2026
- GMC SIERRA 1500 2014-2026
- GMC SIERRA 2500 2020-2026
- GMC SIERRA 3500 2020-2026
- GMC YUKON 2015-2026
