The Fel-Pro BS 40683 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 40683 |
| Product Type | One-Piece Rear Main Seal Set |
| Material | Rubber |
| UPC | 614046875241 |
| Shipping Dimensions | 9 x 6 x 0.63 in, 0.49 lb |
Vehicle Fitment:
- 2010-2016 Chevrolet Express 4500
- 2007-2007 Chevrolet Silverado 2500 HD Classic
- 2007-2007 Chevrolet Silverado 3500 Classic
- 2006-2016 Chevrolet Express 2500
- 2006-2016 Chevrolet Express 3500
- 2001-2020 Chevrolet Silverado 2500 HD
- 2001-2006 Chevrolet Silverado 3500
- 2003-2009 Chevrolet C4500 Kodiak
- 2003-2009 Chevrolet C5500 Kodiak
- 2007-2020 Chevrolet Silverado 3500 HD
- 2010-2016 GMC Savana 4500
- 2007-2007 GMC Sierra 2500 HD Classic
- 2007-2007 GMC Sierra 3500 Classic
- 2006-2016 GMC Savana 2500
- 2006-2016 GMC Savana 3500
- 2001-2020 GMC Sierra 2500 HD
- 2001-2006 GMC Sierra 3500
- 2003-2009 GMC C5500 Topkick
- 2007-2020 GMC Sierra 3500 HD
- 2006-2006 Hummer H1
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.
