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HiSport BS40640 Rear Main Seal Gasket Set for Chevy GMC Hummer

This gasket set ensures a precise fit and reliable performance.

Frowse Rating9.0/10

This rear main seal gasket set is designed for various Chevy, GMC, Hummer, and Pontiac models with LS engine types ranging from 4.8L to 6.0L. Ensure compatibility by checking your vehicle’s specifications using our part finder. Engineered for reliable performance, this gasket set serves as a direct replacement for part number BS40640.

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Frowse Rating 9.0/10

Best for: Car enthusiasts and professional mechanics

Our Review

The HiSport BS40640 Rear Main Seal Gasket Set is a reliable and essential component for anyone looking to maintain or replace parts in Chevy, GMC, Hummer, and Pontiac vehicles with LS engine types. This eliminates uncertainties around fitment, saving time and potential costly errors during installation. Whether for routine maintenance or repairs, the HiSport BS40640 is a top pick for serious automotive care.

What we like

  • Precision engineering for optimal fit
  • Meets or exceeds OEM standards
  • Compatible with multiple vehicle models
  • Direct replacement for easy installation
  • Reliable performance and durability

Our verdict

This gasket set ensures a precise fit and reliable performance.

Product Details

Product Details

This rear main seal gasket set is compatible with Chevy, GMC, Hummer, and Pontiac models that feature LS, LSX, LS1, LQ4, LQ9, LS2, LS3, and LS7 engines, which range from 4.8L to 6.0L. To ensure proper fitting, users should verify their vehicle’s year, make, and model using our compatibility tool or part finder.

Key Features

  • Direct replacement for part number BS40640.
  • Engineered to perform to the standards of original equipment.
  • Parcel Dimensions: 35.99 x 29.21 x 1.5 cm; Weight: 299.37 g.
ASIN:
B0D66QYZW2
Brand:
HiSport
MPN:
HSRMS40640

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