The Fel-Pro BS 40578 is a Rubber one-piece rear main seal set that seals the crankshaft where it exits the engine block, sealing the rotating crank journal against oil leaks at the rear main bearing on the applications listed below, restoring a clean sealing surface for a reliable, oil-tight seal.
| Brand | Fel-Pro |
| Part Number | BS 40578 |
| Product Type | One-Piece Rear Main Seal Set |
| Material | Rubber |
| UPC | 084113737442 |
| Shipping Dimensions | 23 x 4 x 0.77 in, 0.5 lb |
Vehicle Fitment:
- 1996-2002 Dodge Dakota
- 1988-1989 Eagle Premier
- 1980-1983 Jeep DJ5
- 1980-1983 Jeep CJ5
- 1980-1986 Jeep CJ7
- 1984-2000 Jeep Cherokee
- 1986-1992 Jeep Comanche
- 1981-1985 Jeep Scrambler
- 1984-1987 Jeep Wagoneer
- 1987-2002 Jeep Wrangler
- 1997-2002 Jeep TJ
- 1982-1992 Buick Century
- 1980-1991 Buick Skylark
- 1986-1987 Buick Somerset
- 1985-1985 Buick Somerset Regal
- 1985-1990 Chevrolet Astro
- 1982-1986 Chevrolet Camaro
- 1982-1990 Chevrolet Celebrity
- 1980-1983 Chevrolet Citation
- 1984-1985 Chevrolet Citation II
- 1987-1993 Chevrolet LLV
- 1990-1992 Chevrolet Lumina
- 1979-1980 Chevrolet Monza
- 1985-1988 Chevrolet S10 Blazer
- 1985-1993 Chevrolet S10
Important Notes:
- Lubricate the seal lip and crankshaft journal lightly before installation; never run the lip dry.
- Verify one-piece versus two-piece rear main seal design against your engine before ordering.
- Rear main seal replacement usually requires removing the oil pan or transmission - inspect the oil pan gasket and rear main bearing while the area is open.
WARNING: WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm.
