The Fel-Pro BS 40621-1 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 40621-1 |
| Product Type | One-Piece Rear Main Seal Set |
| Material | Rubber |
| UPC | 084113730054 |
| Shipping Dimensions | 12.75 x 8.75 x 0.64 in, 0.25 lb |
Vehicle Fitment:
- 1996-2003 Buick LeSabre
- 1995-2003 Buick Park Avenue
- 1996-2003 Buick Regal
- 1995-1999 Buick Riviera
- 1995-2002 Chevrolet Camaro
- 2000-2003 Chevrolet Impala
- 1998-1999 Chevrolet Lumina
- 1998-2003 Chevrolet Monte Carlo
- 1995-1996 Oldsmobile 98
- 1995-1999 Oldsmobile 88
- 1998-1999 Oldsmobile Intrigue
- 1996-1999 Oldsmobile LSS
- 1997-1998 Oldsmobile Regency
- 1995-2003 Pontiac Bonneville
- 1995-2002 Pontiac Firebird
- 1997-2003 Pontiac Grand Prix
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.
