
Specifications
- Brand
- Cometic Gasket
- Part #
- C5087

Cometic GM Gen 5/6 Big Block V8 Rear Main Seal Kit - 1 Piece
$32.86
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Cometic GM Gen 5/6 Big Block V8 Rear Main Seal Kit - 1 Piece. Meets or exceeds OEM quality for a reliable seal.
Key Features
- Fits 1990+ GM Gen 5/6 Big Block V8 engines.
- This is a one-piece rear main seal kit.
- Built to meet or exceed OEM quality standards.
- Designed to prevent oil leaks from the crankshaft rear main bearing area.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This one-piece rear main seal kit from Cometic Gasket is built to meet or exceed OEM quality. It's designed for GM Gen 5 and Gen 6 Big Block V8 engines, ensuring a solid seal where the engine meets the transmission. A properly functioning rear main seal is critical to prevent oil leaks that can lead to low oil levels and potential engine damage.
Cometic uses materials and manufacturing processes that aim for a seal that performs as well as, or better than, the original equipment. This kit is specifically for the one-piece seal design found on these particular GM big blocks, so make sure your application uses this type before ordering. It's a straightforward replacement part for when you're already working on the back of the engine, like during a clutch job or transmission service.
This kit fits a wide range of GM vehicles from 1990 and up, including models like the Chevrolet C1500, Chevrolet Camaro, and GMC C3500. Always double-check your specific vehicle's fitment to ensure this is the correct seal for your application.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5087
Frequently Asked Questions
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Cometic GM Gen 5/6 Big Block V8 Rear Main Seal Kit - 1 Piece

