Description:
PP-26-F84307-1 Oil Seal, Lower Unit Propeller Shaft
Replacement / Interchange Numbers:
• Chrysler/Force/US Marine OEM: 26-F84307-1 (current/superseding part)
• Sierra 18-0512
Fits various Chrysler, Force, and US Marine outboard models, particularly 2-stroke engines in the 40–125 HP range (e.g., 40HP, 50HP, 85HP, 90HP, 120HP, 125HP models from 1980s–1990s eras, including many Force models like 40HP, 50HP, 85HP, 90HP, 120HP, 125HP, and similar). Commonly used in the lower unit (gearcase) as the propeller shaft oil seal to retain gear oil and prevent water intrusion. Also cross-compatible with corresponding Chrysler/Force applications. Verify exact fitment using engine serial number and parts diagram.