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6P2-45501-01-00
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6G5-45501-21-00
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61A-45527-00-00
8886901
61A-45527-00-00
8886901
93101-25M03-00
Yamaha Upper Driveshaft Seal 28019
The 28019 Upper Driveshaft Seal replaces Yamaha OEM part numbers 93101-28019-00, 93101-28018-00, and 93101-28004-00. This seal is used in Yamaha lower unit gearcases to prevent water intrusion and retain gear lube around the driveshaft.
Fitment Overview
This seal is confirmed through Yamaha OEM lower unit diagrams and is used across both 4.2L V6 and 5.3L V8 outboard platforms. It is installed at the top of the driveshaft in the gearcase assembly.
Compatibility
| Engine Model | Horsepower | Engine Platform |
|---|---|---|
| F200 / LF200 | 200 HP | 4.2L V6 |
| F225 / LF225 | 225 HP | 4.2L V6 |
| F250 / LF250 | 250 HP | 4.2L V6 |
| VF200 / VF225 / VF250 | 200–250 HP | 4.2L SHO |
| F300 / LF300 | 300 HP | 4.2L V6 & 5.3L V8 |
| F350 / LF350 | 350 HP | 5.3L V8 |
Fits These Serial Ranges
This seal is used across multiple Yamaha gearcase generations and is not limited to a single serial break. It is commonly found in:
- 4.2L V6 outboards (modern production models)
- 5.3L V8 F300 and F350 models beginning in 2007
Important: Because Yamaha uses multiple seal variations depending on gearcase design, always verify using your exact model and serial number before ordering.
Part Numbers and Cross References
| Type | Part Number |
|---|---|
| Pro Marine | 28019 |
| Yamaha OEM | 93101-28019-00 |
| Replaces | 93101-28018-00 |
| Replaces | 93101-28004-00 |
| Application | Upper Driveshaft Seal |
What This Part Is Used For
This seal sits at the top of the driveshaft inside the lower unit, forming a barrier between the gearcase oil and external water exposure.
- Prevents water intrusion into the gearcase
- Retains gear lube under pressure
- Protects gears and bearings from contamination
- Critical for lower unit longevity
Failure of this seal can result in water-contaminated gear oil, corrosion, and expensive gearcase damage.
FAQ
Where is this seal located?
At the top of the driveshaft inside the gearcase assembly.
What happens if this seal fails?
Water enters the gearcase, causing milky oil and potential gear damage.
Is this used on both 4.2L and V8 Yamaha engines?
Yes, this seal is used across both platforms depending on gearcase design.
Do I need special tools to replace it?
Yes, lower unit disassembly and seal drivers are typically required.
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
Searchable Part Numbers
28019, 93101-28019-00, 93101-28018-00, 93101-28004-00, Yamaha F225 seal, F250 seal, VF225 VF250 seal, F300 F350 driveshaft seal
93101-28018-00
93101-28019-00