Ask Frowse

BS40640 Rear Main Seal Kit for GMC Cadillac Buick Hummer Pontiac (4.8 L, 5.3 L) (5.7 L, 6.0 L)

Enjoy peace of mind with a reliable seal kit for your engine.

Frowse Rating8.6/10

This rear main seal kit is designed for select GMC, Cadillac, Buick, and Pontiac models, ensuring effective sealing and prevention of oil leaks. Constructed from premium materials, the gaskets maintain resilience under extreme temperatures and vibrations. Compatible with a range of engines from 1997 to 2016, this kit meets OEM standards for superior performance and durability.

  • OEM Part Numbers: BS40640, 100085, JV1657, and more
  • Compatible with 4.8L, 5.3L, 5.7L, 6.0L, 6.2L engines
  • Designed to prevent motor oil leaks around camshafts and valves
Buy Now

As an Amazon Associate, Frowse may earn from qualifying purchases.

Frowse Rating 8.6/10

Best for: Car enthusiasts and mechanics

Our Review

The BS40640 Rear Main Seal Kit is engineered to provide outstanding sealing performance, making it an essential component for various vehicle models, particularly those from Cadillac, Buick, GMC, and Pontiac. Constructed from premium materials, this kit ensures durability and reliability, effectively retaining its shape even under extreme temperature fluctuations and constant vibrations. Its effective sealing properties ensure it meets and exceeds OEM requirements, thereby offering peace of mind when fitted to suitable engine models between 1997 to 2016. It's a recommended choice for anyone seeking a reliable solution to maintain their vehicle's performance and longevity.

What we like

  • Constructed from premium materials for durability
  • Effectively prevents oil leaks
  • Compatible with multiple engine models
  • Maintains shape under temperature fluctuations
  • Meets and exceeds OEM specifications

Our verdict

Enjoy peace of mind with a reliable seal kit for your engine.

Product Details

Product Overview

The BS40640 Rear Main Seal Kit is engineered for compatibility with a wide variety of GMC, Cadillac, Buick, Hummer, and Pontiac vehicles, specifically those with 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L engines from model years 1997 to 2016. This comprehensive gasket kit includes the rear main seal and cover gasket, ensuring optimal performance in preventing oil leaks.

Specifications

  • OEM Part Numbers: BS40640, 100085, JV1657, 38617, RM3165, BS23002, 438830, 257747, 12550574, 12559769, 8125856710, 8890604360, 89060436
  • Engine Compatibility: Suitable for GMC, Hummer, Buick, Cadillac, Pontiac, Saab, and Isuzu models with 4.8L, 5.3L, 5.7L, 6.0L, 6.2L engines
  • Vehicle Compatibility: Fits Chevrolet Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Cadillac Escalade, and Buick Rainier across specified years

Material Construction

The gaskets are constructed from premium materials that can withstand extreme temperature conditions and constant vibrations. They are designed to retain their shape and sealing properties, which significantly reduces the chances of motor oil leakage around critical engine components such as camshafts, rockers, and valves.

Performance

This rear main seal kit meets specific OEM requirements, offering superior sealing performance and durability. The advanced technology employed in the manufacturing of these gaskets ensures a tight seal that extends the service life of the engine components.

Purchase Consideration

Please verify the description and compatibility chart prior to purchase. For any queries, feel free to reach out for assistance.

ASIN:
B0DGG2JDW4
Brand:
RYTIME

Ready to check the current Amazon listing?

View on Amazon