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Vehicle Info NeededFEL-PROPART NUMBER: 375-BS40520
BS40520 Rear Main Seal Set Fits Select GM Models with 4.3L, 5.0L, 5.7L Engines
$2599
More than 10 available
Ships on Nov 02, 2026
Lowest Price GuaranteeRear Main Seal SetFits Select GM Models 4.3L 262 V6, 5.0L 305 V8, 5.7L 350 V8 Engines 1-Piece Rubber Rear Main Seal Check Fitment Tab for All Applications
This Fel-Pro rear main seal set fits select 1985-1997 GM applications equipped with the 4.3L 262 V6, 5.0L 305 V8, or 5.7L 350 V8 engine.
Fel-Pro BS40520 Rear Main Seal Set Features:
- 1-piece rubber rear main seal design
- Includes rear main housing gaskets
- Meets or exceeds original equipment specifications
Part TypeTiming Cover Seal
BrandFEL-PRO
Package Height0.9
Package Width6.2
Package Length12.1
Weight0.22 PG
Part CategoryReplacement Parts
Rear Main Seal Style1-piece
Rear Main Seal MaterialRubber
QuantitySold individually
Part FitmentDirect Fit
Vendor Part NumberSFLBS40520
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
