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Outboard Motor Parts | OEM & Aftermarket
Shop OEM and aftermarket outboard motor parts for Mercury, Yamaha, Suzuki, Honda, Johnson / Evinrude / E-TEC, Tohatsu / Nissan, and Chrysler / Force engines. Pro Marine USA carries parts for routine maintenance, troubleshooting, repair, and complete marine engine rebuilds.
Browse by outboard manufacturer or engine system, or use our OEM parts lookup to identify the correct part number before ordering. Find cooling, fuel, ignition, electrical, internal engine, lower unit, steering, trim, service kit, gasket, seal, and rebuild parts in one place.
Shop Outboard Parts by Manufacturer
Chrysler / Force Outboard Parts for Chrysler and Force outboard repair
Honda Outboard Honda cooling, fuel, electrical, and engine parts
Johnson / Evinrude / E-TEC Outboard Johnson, Evinrude, E-TEC, and OMC replacement parts
Mercury Outboard Mercury and Mariner maintenance, repair, and rebuild parts
Suzuki Outboard Suzuki service, lower unit, fuel, and engine parts
Tohatsu / Nissan Outboard Tohatsu and Nissan outboard replacement parts
Yamaha Outboard Yamaha maintenance, repair, lower unit, and rebuild parts Find the Correct Outboard Part
Not sure which part fits your engine? Start with the engine manufacturer, horsepower, model number, serial number, and year whenever available.
Our OEM parts lookup lets you view factory parts diagrams and identify the original part number for many popular outboard engines. Once you have the OEM number, search Pro Marine to find available OEM and aftermarket replacement options.
Use Our OEM Parts Lookup »Shop Outboard Parts by Engine System
Outboard engines use several interconnected systems. Select your manufacturer above to browse the exact categories available for your engine, including the following common repair and maintenance areas.
Common Outboard Problems and Where to Start
- Engine overheating: inspect the water pump, impeller, thermostat, pressure-control components, cooling passages, and engine anodes.
- Hard starting or rough idle: check fuel delivery, carburetor or injector operation, spark plugs, ignition components, filters, and intake sealing.
- Weak spark or no spark: test ignition coils, stators, switch boxes or ignition modules, sensors, wiring, grounds, and related electrical components.
- Low compression or poor power: inspect pistons, rings, cylinder condition, head and powerhead gaskets, bearings, and other internal engine components.
- Milky gear lube: inspect prop shaft, driveshaft, shift shaft, bearing carrier, and other lower unit seals for water intrusion.
- Lower unit or gearcase noise: inspect bearings, gears, clutch components, shafts, and gear lube condition before continued operation.
- Trim or steering problems: inspect hydraulic fluid level, seals, hoses, trim motors, pumps, steering cylinders, and mechanical connections.
Why Buy Outboard Parts from Pro Marine USA?
- OEM and aftermarket replacement options for major outboard engine brands.
- Marine engine parts for routine maintenance, professional repair, and complete rebuild projects.
- OEM diagram and part-number lookup tools to help identify the correct component before ordering.
- Dealer pricing available for qualified marine repair businesses and dealers.
- Large selection of service kits, engine parts, lower unit components, fuel system parts, electrical parts, steering, and rigging products.
- Same-day weekday shipping available on qualifying in-stock orders placed before the shipping cutoff.
OEM and Aftermarket Outboard Parts
OEM parts are supplied by the original engine manufacturer and are designed for the specific engine application. Aftermarket parts are replacement components produced by independent marine parts manufacturers and may provide additional availability or value for many common repairs.
Pro Marine carries both genuine OEM parts and quality aftermarket replacement parts for many outboard maintenance, repair, and rebuild applications. Always confirm fitment using the engine model, serial number, horsepower, year range, or OEM part number when available.
Frequently Asked Questions
How do I find the correct parts for my outboard motor?
Start by identifying the engine manufacturer, horsepower, model number, serial number, and year. Select the manufacturer above to browse by engine system, or use the OEM parts lookup to locate the original part number from a factory diagram.
Can I search Pro Marine by OEM part number?
Yes. If you already have the OEM part number, enter it into the Pro Marine site search to locate available OEM and aftermarket replacement options. If you do not know the part number, use the OEM parts lookup first.
What information should I have before ordering an outboard part?
Have the engine manufacturer, horsepower, model number, serial number, and year whenever possible. An OEM part number from the original component or parts diagram is especially helpful because visually similar parts may fit different engine families.
What is the difference between OEM and aftermarket outboard parts?
OEM parts come from the original engine manufacturer. Aftermarket parts are replacement components manufactured by other marine parts companies for compatible applications. Pro Marine carries both OEM and aftermarket options across many common outboard engine systems.
Are aftermarket outboard motor parts reliable?
Quality aftermarket marine parts are commonly used for maintenance, professional repair, and engine rebuilding. The best option depends on the application, manufacturer, availability, and customer preference.
Do you carry parts for older outboard motors?
Yes. Pro Marine carries parts for many older Mercury, Mariner, Johnson, Evinrude, Chrysler, Force, Yamaha, Honda, Suzuki, Nissan, and Tohatsu outboards. Availability varies by engine family and component.
What outboard parts are commonly replaced during routine maintenance?
Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump impellers, complete water pump kits, thermostats, gear lube, drain plug seals, anodes, and manufacturer-specific service kit components.
Fitment Tip: Outboard parts can vary by model, serial range, horsepower, and production year. Confirm the OEM part number or engine identification information whenever possible before ordering.
90390
90390A1
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
9075GM, GLM 9075GM, Yamaha 61A-45538-00-00, Mercury 888690, Yamaha F115 water pump spacer, Yamaha F150 water pump spacer, Yamaha F175 water pump spacer, Yamaha F200 water pump spacer, Yamaha F225 water pump spacer, Yamaha F250 water pump spacer, Yamaha F300 water pump spacer, Mercury 225 EFI FourStroke water pump spacer, Yamaha impeller spacer, water pump rebuild components, cooling system repair parts, GLM marine cooling system parts
45538
61A-45538-00-00
888690
9-43711
61A-45538-00-00
888690
809086
17400-90J00
17400-90J01
17400-90J10
17400-90J11
17400-90J20
5033541
778241
91691
18-5132
63V-85540-00-00
63V-85540-01-00
63V-85540-02-00
63V-85540-03-00
63V-85540-10-00
17-69511
18-5131
43077M
43077T
695-85540-10-00
695-85540-11-00
695-85540-12-00
96450M
9-57813
883072T1
883072T2
88825A1
88825A7