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Pro Marine Shift Shaft Seal Carrier
Yamaha 25 Inch Gearcase Shift Shaft Seal Carrier Replacement
This Pro Marine replacement shift shaft seal carrier is designed for select Yamaha offshore lower units using 25 inch gearcases.
Designed as a direct replacement for Yamaha OEM part number 65N-45321-00-00, this carrier supports the shift shaft sealing system inside compatible Yamaha lower units.
Compatible Yamaha Applications
| Engine Range | Engine Type | Shaft Length | Application Notes |
|---|---|---|---|
| F150 | Yamaha FourStroke | 25 Inch | Select offshore applications |
| F175 / F200 | Yamaha FourStroke | 25 Inch | Select mechanical and digital models |
| F225 / F250 | Yamaha FourStroke | 25 Inch | Select offshore gearcase applications |
| F300 | Yamaha FourStroke | 25 Inch | Select V6 offshore applications |
If your outboard uses a 30 inch shaft gearcase, you will typically need this carrier instead:
View 30 Inch Shift Shaft Seal Carrier
Required Shift Shaft Seal
Shift Shaft Seal 7620
Replacing the seal during lower unit service is strongly recommended to help maintain proper sealing and prevent water intrusion into the gearcase.
OEM Cross Reference Numbers
| Type | Part Number |
|---|---|
| Yamaha OEM Number | 65N-45321-00-00 |
| Pro Marine | Direct Replacement |
What This Shift Shaft Seal Carrier is Used For
This Pro Marine shift shaft seal carrier supports the shift shaft sealing system inside compatible Yamaha offshore lower units.
The carrier helps properly position and retain the shift shaft seal while helping protect the lower unit from water intrusion and gear lubricant leakage.
These carriers are commonly replaced during lower unit resealing, corrosion repair, shift shaft service, or complete gearcase rebuilds.
Replacing worn or damaged carriers can help extend lower unit life and maintain reliable sealing performance in demanding saltwater applications.
Key Features and Benefits
- Pro Marine replacement shift shaft seal carrier
- Direct replacement for Yamaha OEM 65N-45321-00-00
- Fits compatible Yamaha 25 inch offshore gearcases
- Supports proper shift shaft sealing
- Helps prevent water intrusion into the lower unit
- Common replacement during lower unit resealing
- Marine-grade corrosion-resistant construction
- Designed for dependable lower unit service repairs
Shift Shaft Seal Carrier Details
- Brand: Pro Marine
- Part Type: Shift Shaft Seal Carrier
- Replaces Yamaha OEM: 65N-45321-00-00
- Application: Yamaha 25 Inch Gearcases
- Engine Compatibility: Select Yamaha F150-F300 FourStroke models
- System: Lower Unit / Gearcase
- Associated Seal: 7620
FAQ
What shaft length is this carrier designed for?
This carrier is designed specifically for compatible Yamaha 25 inch gearcases.
Will this fit a 30 inch Yamaha lower unit?
No. Most 30 inch applications use a different carrier. See the linked 30 inch version for those applications.
Is this a genuine Yamaha OEM part?
No. This is a Pro Marine aftermarket replacement part designed to replace Yamaha OEM part number 65N-45321-00-00.
Should I replace the shift shaft seal at the same time?
Yes. Replacing the seal during carrier service is strongly recommended to help maintain proper lower unit sealing.
What seal works with this carrier?
This carrier uses shift shaft seal 7620 for compatible 25 inch gearcases.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 (continental U.S.).
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
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