Crankshaft Drive Side Oil Seal as fitted to the following BSA & Triumph models:
- Triumph TR25W 250/441cc (1967-72)
- BSA C15/B40 Distributor 250/350cc (1959-64)
- BSA C15/B40 Sports Star 250/350cc (1964-)
- BSA C25/B25 250cc (1967-)
- BSA B25/B44 250/441cc (1967-72)
OEM: 40-0025, 70-8025