The Sierra 18-74535 gear housing seal kit contains the seals and gaskets needed when resealing the lower unit on select Yamaha F75, F80, F90, and F100 4-stroke outboards. It's a convenient option when repairing a leaking gearcase or servicing a lower unit that's already being disassembled.
Fitment
- Yamaha F80 4-Stroke — 1999-2002
- Yamaha F100 4-Stroke — 1999-2002
- Yamaha F75 4-Stroke — 2003-2005
- Yamaha F90 4-Stroke — 2003-2005
Replaces / Cross-References
- Yamaha 67F-W0001-20-00
- Yamaha 67F-W0001-21-00
- Mallory 9-74535
Fitment can vary by engine model and serial number. Compare your engine information and existing part numbers with the application information before ordering.
Questions About This Product?
Have a question about this part or need help determining if it may work for your application? Email us at customerservice@marinepartswarehouse.com with your engine model and serial number, and our team will be happy to help with any information we have available.