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GLM Marine Cooling System Component
Yamaha F115-F300 & Mercury 225 Water Pump Spacer
The GLM 9075GM Water Pump Spacer is a replacement cooling system component designed for numerous Yamaha four-stroke outboards and select Mercury FourStroke models. Replacing Yamaha OEM 61A-45538-00-00 and Mercury OEM 888690, this spacer helps maintain proper positioning of critical water pump components within the lower unit.
Whether you're rebuilding a complete water pump assembly or replacing worn cooling system components during routine maintenance, this GLM spacer offers a dependable aftermarket solution for many Yamaha and Mercury applications.
OEM & Cross Reference Numbers
| Type | Part Number |
|---|---|
| GLM Marine | 9075GM |
| Yamaha OEM | 61A-45538-00-00 |
| Mercury OEM | 888690 |
Compatible Applications
Yamaha OEM number 61A-45538-00-00 is used across a large number of Yamaha four-stroke outboards. Mercury OEM 888690 references the same component used in select Mercury FourStroke applications.
| Manufacturer | Models |
|---|---|
| Yamaha | F115, LF115 |
| Yamaha | F150, LF150 |
| Yamaha | F175, LF175 |
| Yamaha | F200, LF200 |
| Yamaha | F225, LF225 |
| Yamaha | F250, LF250 |
| Yamaha | F300, LF300 |
| Mercury | 225 EFI FourStroke (0T653945 & Up) |
Yamaha and Mercury used multiple lower unit and water pump designs over the years. Always match your original OEM part number or consult your engine parts diagram before ordering replacement cooling system components.
This spacer replaces Yamaha 61A-45538-00-00 and Mercury 888690.
Product Specifications
- Brand: GLM Marine
- Part Number: 9075GM
- Part Type: Water Pump Spacer
- Replaces Yamaha: 61A-45538-00-00
- Replaces Mercury: 888690
- Location: Water Pump Assembly
- Application: Cooling System Service & Water Pump Rebuilds
Also Available in Pro Marine Brand
Pro Marine 9075P Water Pump Spacer
Prefer Pro Marine parts? We also stock the Pro Marine version of this water pump spacer. It replaces the same Yamaha and Mercury OEM numbers and fits the same applications.
Why Replace a Water Pump Spacer?
During water pump service, technicians often inspect the spacer plate for corrosion, wear, pitting, or deformation. Because the spacer helps maintain proper alignment between the impeller housing, wear plate, and other cooling system components, damage can contribute to reduced water pump efficiency.
Replacing worn cooling system components during maintenance can help avoid cooling issues and reduce the likelihood of premature water pump failure.
GLM Water Pump Spacer Features
- Direct replacement for Yamaha 61A-45538-00-00
- Direct replacement for Mercury 888690
- Designed for water pump rebuild and cooling system service
- Fits many Yamaha F115-F300 and LF-series outboards
- Compatible with Mercury 225 EFI FourStroke applications using OEM 888690
- Precision manufactured aftermarket replacement
- Popular choice for preventative maintenance repairs
Frequently Asked Questions
What does a water pump spacer do?
The spacer helps position and support components within the water pump assembly to maintain proper alignment and cooling system operation.
Which Yamaha engines commonly use this spacer?
Common applications include Yamaha F115, F150, F175, F200, F225, F250, and F300 outboards, including many LF-series models.
Does this fit Mercury outboards?
Yes. Mercury OEM 888690 is used on select Mercury 225 EFI FourStroke models and cross references directly to this spacer.
When should I replace a water pump spacer?
Replacement is recommended whenever corrosion, pitting, excessive wear, or physical damage is found during water pump inspection.
Is the Pro Marine version available?
Yes. The Pro Marine 9075P version is linked above if you prefer that brand.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or marine industry professional? We offer dealer pricing for qualified businesses.
Shipping Policy
- Free shipping on orders over $100 within the continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Most orders placed before 5:30 PM EST ship the same business day.
- Typical transit 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 eligible for return.
- Return authorization required before returning merchandise.
Need help?
Contact Us
Phone: 941-721-3000
Searchable Terms
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