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Pro Marine Cooling System Component
Yamaha V4 V6 115-300HP & Mercury 225/250 Driveshaft Collar
The Pro Marine 45527P Driveshaft Collar is a quality aftermarket replacement for Yamaha OEM 61A-45527-00-00 and Mercury OEM 8886901. This component is used within the lower unit water pump assembly on a wide range of Yamaha V4 and V6 outboards as well as Mercury 225 and 250 EFI FourStroke models.
Designed to provide dependable fit and performance, the Pro Marine 45527P is an excellent replacement during water pump rebuilds, cooling system repairs, and preventative maintenance service.
Compatible Applications
Yamaha OEM number 61A-45527-00-00 is used across numerous Yamaha V4 and V6 outboards including EFI, Saltwater Series, OX66, HPDI, VMAX, and select four-stroke applications. Mercury OEM 8886901 is used on Mercury 225 and 250 EFI FourStroke outboards.
| Manufacturer | Common Applications |
|---|---|
| Yamaha | 115HP, C115, S115 |
| Yamaha | 130HP, L130 |
| Yamaha | 150HP, C150, D150, DX150, FL150, LF150, LX150, SX150, VX150, VZ150, Z150 |
| Yamaha | 175HP Models |
| Yamaha | 200HP, F200, LF200, LX200, SX200, VX200, VZ200, Z200 |
| Yamaha | 225HP, F225, LF225, LX225, VX225, V225, VMAX 225, OX66 225 |
| Yamaha | 250HP, L250, LX250, SX250, VX250, VZ250, Z250, OX66 250 |
| Yamaha | 300HP, LZ300, VZ300, Z300 |
| Mercury | 225 EFI FourStroke |
| Mercury | 250 EFI FourStroke |
Yamaha utilized this driveshaft collar across multiple V4 and V6 platforms over numerous model years. Always verify your engine serial number and OEM part number before ordering replacement cooling system components.
This Pro Marine collar replaces Yamaha OEM 61A-45527-00-00 and Mercury OEM 8886901.
OEM & Cross Reference Numbers
| Type | Part Number |
|---|---|
| Pro Marine | 45527P |
| Yamaha OEM | 61A-45527-00-00 |
| Mercury OEM | 8886901 |
| Sierra | 18-9076 |
| GLM | 9076GM |
| Mercury OEM Part | 45527 |
Other Brands Available
Mercury OEM 45527
Genuine Mercury OEM driveshaft collar manufactured to factory specifications.
View OEM Version
GLM 9076GM
Alternative aftermarket option from GLM Marine for the same applications.
View GLM VersionWhy Choose Pro Marine Parts?
Pro Marine replacement parts are trusted by marine technicians, repair facilities, and boat owners throughout the industry. They provide dependable fitment and performance while offering an economical alternative to OEM components.
- Quality aftermarket replacement
- Direct replacement for Yamaha 61A-45527-00-00
- Direct replacement for Mercury 8886901
- Designed for marine cooling system applications
- Excellent choice for preventative maintenance and repairs
- Cost-effective alternative to OEM pricing
What This Part Is Used For
The driveshaft collar helps maintain proper alignment within the lower unit water pump assembly. It works together with the impeller housing, wear plate, spacer components, and driveshaft to ensure proper cooling system operation.
During water pump service, many technicians replace collars and related components together to restore the cooling system to proper operating condition.
Pro Marine 45527P Features
- Fits Yamaha V4 and V6 applications from 115HP through 300HP
- Fits Mercury 225 and 250 EFI FourStroke models
- Replaces Yamaha OEM 61A-45527-00-00
- Replaces Mercury OEM 8886901
- Ideal for water pump rebuilds and lower unit service
- Corrosion-resistant marine-grade construction
FAQ
What OEM numbers does Pro Marine 45527P replace?
It replaces Yamaha 61A-45527-00-00 and Mercury 8886901.
What engines commonly use this collar?
Many Yamaha V4 and V6 outboards from 115HP through 300HP as well as Mercury 225 and 250 EFI FourStroke applications.
Is this an OEM Mercury part?
No. This is a Pro Marine aftermarket replacement. The genuine Mercury version is linked above.
Do you carry other brands?
Yes. We also stock Mercury OEM, Sierra, and GLM versions of this driveshaft collar.
Should I replace this during a water pump rebuild?
If wear, corrosion, or damage is found during inspection, replacement is recommended while the lower unit is apart.
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.
- Parts must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization required before return.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
45527P, Pro Marine 45527P, Yamaha 61A-45527-00-00, Mercury 8886901, Yamaha V4 driveshaft collar, Yamaha V6 driveshaft collar, Yamaha OX66 water pump parts, Yamaha VMAX cooling system parts, Yamaha 225 driveshaft collar, Yamaha 250 driveshaft collar, Mercury 225 EFI FourStroke parts, Mercury 250 EFI FourStroke parts, Sierra 18-9076, GLM 9076GM, Mercury OEM 45527
61A-45527-00-00
8886901