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Transparent Fel-Pro rear main gasket, flexible ring shape

Fel-Pro

Fel-Pro BS40621-1 Rear Main Gasket engine tool

SKU CH-H2M3-M4R84

Seals the crankshaft rear main bearing area with a transparent Fel-Pro gasket

  • ColorTransparent
  • Trusted Fel-Pro sealing performance for rear main applications
  • Transparent material allows quick visual inspection before installation
  • Designed as a dedicated rear main gasket for precise fit
  • Listed by the manufacturer in January 2024
  • Free shipping available on orders of $75 or more

Fel-Pro Rear Main Gasket

The Fel-Pro BS40621-1 is a rear main gasket designed for engine sealing during repair or rebuild work. It is supplied new and listed by the manufacturer with a transparent appearance. This component addresses the critical seal between the crankshaft and block.

For technicians completing a rear main seal

Mechanics performing this specific repair will find the correct gasket profile here. Shops needing a different sealing solution, such as a front cover gasket or a full overhaul kit, should look at other parts.

Transparent colour identification

The gasket is noted as transparent in the manufacturer data, allowing visual confirmation of the material before installation. This single detail helps verify the correct part is in hand when matching it to the engine assembly.

Highlights

  • Trusted Fel-Pro sealing performance for rear main applications
  • Transparent material allows quick visual inspection before installation
  • Designed as a dedicated rear main gasket for precise fit
  • Listed by the manufacturer in January 2024
  • Free shipping available on orders of $75 or more

Specifications

BrandFEL-PRO
ColorTransparent

Questions about this item

What rear-main seal does the BS40621-1 gasket fit?

The BS40621-1 is a Fel-Pro rear-main gasket designed for the specific engine application listed in the catalogue.

Does the transparent material handle continuous engine heat?

The gasket is built from materials rated for normal operating temperatures of the target engine.

Which tools are needed to install this rear-main gasket?

Standard engine-assembly hand tools and a clean, prepared crankshaft surface are required for installation.

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