The Fel-Pro BS 40621 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 |
| Product Type | One-Piece Rear Main Seal Set |
| Material | Rubber |
| UPC | 084113737596 |
| Shipping Dimensions | 17.25 x 12.25 x 0.35 in, 0.4 lb |
Vehicle Fitment:
- 1991-1993 Buick Century
- 1991-1995 Buick LeSabre
- 1991-1995 Buick Park Avenue
- 1991-1991 Buick Reatta
- 1990-1995 Buick Regal
- 1991-1995 Buick Riviera
- 1991-1993 Buick Skylark
- 1992-1995 Chevrolet Lumina APV
- 1991-1995 Oldsmobile 98
- 1992-1993 Oldsmobile Achieva
- 1991-1991 Oldsmobile Cutlass Calais
- 1991-1993 Oldsmobile Cutlass Ciera
- 1991-1993 Oldsmobile Cutlass Cruiser
- 1991-1991 Oldsmobile Delta 88
- 1992-1995 Oldsmobile 88
- 1992-1995 Oldsmobile Silhouette
- 1991-1992 Oldsmobile Toronado
- 1991-1995 Pontiac Bonneville
- 1992-1993 Pontiac Grand Am
- 1992-1995 Pontiac Trans Sport
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.
