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Sierra Marine Cooling System Component
Yamaha V4 V6 115-300HP & Mercury 225/250 Driveshaft Collar
The Sierra 18-9076 Driveshaft Collar is a direct replacement for Yamaha OEM 61A-45527-00-00 and Mercury OEM 8886901. This collar is used in the water pump assembly on numerous Yamaha V4 and V6 outboards as well as Mercury 225 and 250 EFI FourStroke applications.
During water pump service, lower unit repairs, or cooling system rebuilds, replacing worn collars can help maintain proper component alignment and reliable cooling system operation.
Compatible Applications
Yamaha OEM number 61A-45527-00-00 is used across a large range of Yamaha V4 and V6 outboards including Saltwater Series, EFI, OX66, HPDI, VMAX, and select four-stroke models. Mercury OEM 8886901 cross references to Mercury 225 and 250 EFI FourStroke applications.
| 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, OX66 225, VMAX 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 used this collar across numerous V4 and V6 platforms over multiple years and engine families. Always verify your engine serial number and OEM part number before ordering.
This Sierra collar replaces Yamaha OEM 61A-45527-00-00 and Mercury OEM 8886901.
OEM & Cross Reference Numbers
| Type | Part Number |
|---|---|
| Sierra | 18-9076 |
| Yamaha OEM | 61A-45527-00-00 |
| Mercury OEM | 8886901 |
Available in Multiple Brands
OEM Yamaha 45527
Genuine Yamaha factory replacement for customers who prefer OEM parts.
View OEM Version
Pro Marine 45527P
Popular aftermarket replacement trusted by marine technicians and repair shops.
View Pro Marine Version
GLM 9076GM
Alternative aftermarket option from GLM Marine for the same Yamaha and Mercury applications.
View GLM VersionWhat This Part Is Used For
The driveshaft collar is part of the lower unit cooling system assembly and works with the water pump housing, wear plate, impeller, and related components. Proper spacing and alignment are critical to water pump performance and cooling system efficiency.
Many technicians replace collars whenever major water pump service is performed, particularly on high-hour engines or saltwater-operated boats.
Why Replace a Driveshaft Collar?
- Corrosion may affect proper component fitment
- Wear can impact water pump assembly alignment
- Often serviced during water pump rebuilds
- Helps maintain proper cooling system operation
- Ideal preventative maintenance item during lower unit service
Sierra 18-9076 Features
- Direct replacement for Yamaha 61A-45527-00-00
- Direct replacement for Mercury 8886901
- Fits many Yamaha V4 and V6 applications from 115HP-300HP
- Compatible with Mercury 225 and 250 EFI FourStroke models
- Quality Sierra Marine aftermarket construction
- OEM, Pro Marine, and GLM alternatives available above
FAQ
What OEM numbers does Sierra 18-9076 replace?
Yamaha 61A-45527-00-00 and Mercury 8886901.
What Yamaha engines commonly use this collar?
Many Yamaha 115HP, 130HP, 150HP, 175HP, 200HP, 225HP, 250HP, and 300HP V4 and V6 applications including OX66, VMAX, EFI, Saltwater Series, and select four-stroke models.
Does this fit Mercury outboards?
Yes. Mercury 225 and 250 EFI FourStroke models commonly use Mercury OEM 8886901.
Do you carry OEM and aftermarket alternatives?
Yes. OEM Yamaha, Pro Marine, and GLM versions are linked above.
Should I replace this during water pump service?
If wear, corrosion, or damage is present, 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 and unused.
- Installed parts are not returnable.
- Return authorization required before return.
Searchable Terms
Sierra 18-9076, 18-9076, Yamaha 61A-45527-00-00, Mercury 8886901, Yamaha V4 driveshaft collar, Yamaha V6 driveshaft collar, Yamaha VMAX water pump parts, Yamaha OX66 cooling system parts, Yamaha 225 driveshaft collar, Yamaha 250 driveshaft collar, Mercury 225 EFI FourStroke parts, Mercury 250 EFI FourStroke parts, Pro Marine 45527P, GLM 9076GM, OEM Yamaha 45527
8886901
9-43712
8M0168208
57025A1
62357
64389
18-1737
44000
440001
897624T
9-72301
67884A2
98682
98682A1
442091
897625T
9-72300
881942
881938
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
Genuine Mercury OEM Part
Mercury 225/250 EFI FourStroke & Yamaha V4 V6 Driveshaft Collar
The Mercury OEM 45527 Driveshaft Collar is a genuine factory replacement component used within the lower unit cooling system and water pump assembly. This collar replaces Mercury OEM 8886901 and cross references Yamaha OEM 61A-45527-00-00.
Designed and manufactured to Mercury's original specifications, this collar is used on Mercury 225 and 250 EFI FourStroke outboards as well as many Yamaha V4 and V6 applications utilizing the same cooling system design. Genuine OEM parts help ensure factory fit, proper tolerances, and reliable long-term performance.
Compatible Applications
Mercury OEM number 8886901 is used on Mercury 225 and 250 EFI FourStroke models. Yamaha OEM number 61A-45527-00-00 is found across a broad range of Yamaha V4 and V6 outboards including Saltwater Series, EFI, OX66, VMAX, and select four-stroke applications.
| Manufacturer | Common Applications |
|---|---|
| Mercury | 225 EFI FourStroke |
| Mercury | 250 EFI FourStroke |
| 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 and Yamaha used multiple lower unit and water pump configurations across different model years. Always verify your engine serial number and OEM part number before ordering.
This genuine Mercury collar replaces OEM 8886901 and cross references Yamaha OEM 61A-45527-00-00.
OEM & Cross Reference Numbers
| Type | Part Number |
|---|---|
| Mercury OEM | 45527 |
| Mercury OEM | 8886901 |
| Yamaha OEM | 61A-45527-00-00 |
| Sierra | 18-9076 |
| Pro Marine | 45527P |
| GLM | 9076GM |
Alternative Brands Available
Pro Marine 45527P
Popular aftermarket replacement trusted by marine technicians.
View Pro Marine VersionWhy Choose Genuine Mercury OEM Parts?
Mercury OEM components are manufactured to the same specifications used when your outboard was originally built. Genuine factory parts provide the fit, materials, and tolerances Mercury engineers intended for long-term reliability.
- Genuine Mercury OEM component
- Original factory specifications
- Direct replacement for Mercury 8886901
- Cross references Yamaha 61A-45527-00-00
- Factory-correct repair solution
- Designed for water pump and cooling system service
What This Part Is Used For
The driveshaft collar is a component within the lower unit water pump assembly. It helps properly locate and support cooling system components, ensuring correct alignment and operation of the water pump system.
During water pump service, technicians commonly inspect collars, spacers, wear plates, impellers, seals, and housings together to ensure maximum cooling system reliability.
FAQ
Is this a genuine Mercury OEM part?
Yes. This is a genuine Mercury OEM driveshaft collar.
What Mercury engines use OEM 8886901?
Mercury 225 and 250 EFI FourStroke applications commonly use this driveshaft collar.
Does this cross reference Yamaha 61A-45527-00-00?
Yes. Mercury OEM 8886901 cross references directly to Yamaha OEM 61A-45527-00-00.
Do you carry aftermarket alternatives?
Yes. Sierra, Pro Marine, and GLM versions are linked above.
Should this be inspected during water pump service?
Yes. Inspect the collar whenever the lower unit is apart for water pump maintenance and replace it if wear, corrosion, or damage is present.
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
Mercury 45527, 45527, Mercury 8886901, Yamaha 61A-45527-00-00, OEM driveshaft collar, Mercury 225 EFI FourStroke driveshaft collar, Mercury 250 EFI FourStroke driveshaft collar, Yamaha V4 driveshaft collar, Yamaha V6 driveshaft collar, Yamaha OX66 water pump parts, Yamaha VMAX water pump parts, Sierra 18-9076, Pro Marine 45527P, GLM 9076GM, Mercury cooling system parts
61A-45527-00-00
8886901