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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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45538
61A-45538-00-00
888690
9-43711
18-3302
83444M
83444M
8813421
89588
89588
90280-04M05-00
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8M6013127
804003
879126
88689
18-3072
646-44352-01-00
80395M
80395M
89850
89850
9-45604
18-3073
18-3073
6E0-44352-00-00
775475
89860
9-45611
96305M
18-3066
6G1-44352-00-00
89870
9-45610
18-3627
19300-881-761
6H3-12411-00-00
6H3-12411-01-00
6H3-12411-10-00
6H3-12411-11-00
18-3063
47-81242M
47-95611M
662-44352-01-00
81242M
9-45608
95611M
300hp
325hp
350hp
18-3636
6DA-12411-00-00
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8M0175324
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8M0175325
8M6010300
Pro Marine Water Pump Spacer
Yamaha F115-F300 & Mercury 225 Water Pump Spacer
The Pro Marine 9075P Water Pump Spacer is a direct replacement for Yamaha OEM 61A-45538-00-00 and Mercury OEM 888690. This spacer plate is installed within the water pump assembly and helps maintain proper alignment and spacing of critical cooling system components.
Commonly replaced during water pump rebuilds and lower unit service, this spacer is used on numerous Yamaha four-stroke outboards and select Mercury four-stroke models that share Yamaha-designed powerhead and cooling system components.
Compatible Applications
Yamaha OEM number 61A-45538-00-00 is found across a wide range of Yamaha four-stroke outboards. Mercury OEM number 888690 references the same spacer used on certain Mercury-built Yamaha-platform engines.
| 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 used several water pump designs across different model years, gearcases, and driveshaft housings. Always verify your original OEM part number before ordering.
This spacer replaces Yamaha OEM 61A-45538-00-00 and Mercury OEM 888690.
OEM & Cross Reference Numbers
| Type | Part Number |
|---|---|
| Pro Marine | 9075P |
| Yamaha OEM | 61A-45538-00-00 |
| Mercury OEM | 888690 |
Alternative Brand Available
GLM 9075GM Water Pump Spacer
Looking for the GLM version? We also stock the GLM 9075GM Water Pump Spacer, which replaces the same Yamaha and Mercury OEM part numbers.
Product Specifications
- Brand: Pro Marine
- Part Number: 9075P
- Part Type: Water Pump Spacer Plate
- Replaces Yamaha: 61A-45538-00-00
- Replaces Mercury: 888690
- Application: Water Pump Assembly
What This Part Is Used For
The water pump spacer is an important component within the water pump assembly. It provides proper spacing and alignment between the wear plate, impeller, housing, and other cooling system components.
During water pump maintenance, technicians should inspect the spacer for wear, corrosion, pitting, or physical damage. Replacing worn components can help maintain proper water pressure and cooling system performance.
Key Features & Benefits
- Direct replacement for Yamaha 61A-45538-00-00
- Direct replacement for Mercury 888690
- Fits many Yamaha F115-F300 and LF115-LF300 outboards
- Fits Mercury 225 EFI FourStroke applications using OEM 888690
- Ideal during water pump rebuilds and cooling system service
- Pro Marine quality aftermarket replacement
- GLM alternative available above
FAQ
What OEM numbers does this replace?
This spacer replaces Yamaha OEM 61A-45538-00-00 and Mercury OEM 888690.
What Yamaha models use this spacer?
Common applications include Yamaha F115, F150, F175, F200, F225, F250,
and F300 models, including many LF-series variants.
What Mercury models use this spacer?
Mercury 225 EFI FourStroke models using OEM number 888690 commonly utilize this spacer.
Should I replace this during water pump service?
If corrosion, wear, or damage is found during inspection, replacement is recommended.
Do you carry another brand?
Yes. The GLM 9075GM version is linked above.
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 is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
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18-9075
18-9075
18-9075
45538
61A-45538-00-00
888690
9-43711
18-3063
662-44352-01-00
81242M
9-45608
95611M