⭐ Fel-Pro part number BS 40620 (NAPA branded)

⭐ One-piece rubber rear main crankshaft seal for leak prevention

⭐ Application-specific design meets OE specifications

⭐ Fits select Ford, Mercury, Lincoln, and Jaguar models—verify fitment by part number for your specific vehicle

⭐ Professional-grade sealing trusted by mechanics for stock rebuilds

⭐ Maintained in a smoke and pet-free environment

Measurements (approximate):

📏 Seal Diameter: 4 inches

This Fel-Pro rear main seal delivers professional-grade sealing performance for engine rebuilds and leak repairs. Part number BS 40620 is engineered with application-specific rubber materials designed to meet or exceed original equipment specifications. Perfect for DIY enthusiasts tackling their own engine work or professional shops stocking quality OEM-equivalent replacement parts. Verify fitment using the part number BS 40620 for your specific year, make, and model.