Description
A worn or leaking rear main cover gasket compromises engine integrity and invites oil seepage that accelerates bearing wear and fouls your engine bay. This OEM Chevrolet gasket seals the critical interface between your LS block and rear cover, maintaining pressure integrity and preventing costly internal damage. Install it during routine service or as part of a comprehensive rebuild to ensure your engine runs clean and trouble-free.
- Fits: GM LS-Series
- Material: Rubber/Steel composite
- Type: Rear main cover gasket
- OEM Chevrolet Performance part
- MPN: 12639249
- Quantity: Single gasket
- Installation: Bolt-on replacement
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