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8M0100493
823174
823174T
9-73404
MAR-FLTHD-10-BK
55481
89876
89876A3
9-37855
9-37862
GLM Yamaha Piston Ring Kit
Yamaha 115-250HP Standard Piston Ring Kit
The GLM 3937GM Standard Piston Ring Kit is an aftermarket replacement ring set designed for a wide range of Yamaha 2-stroke outboards. This standard bore ring kit replaces several Yamaha OEM piston ring assemblies and is commonly used during powerhead rebuilds, piston replacement, compression restoration, and complete engine overhauls.
This GLM ring kit replaces Yamaha OEM numbers 6K7-11601-02-00, 6R5-11603-00-00, 64D-11603-00-00, 64D-11603-01-00, and 64D-11603-02-00.
Compatible Applications
Based on Yamaha OEM supersessions and application data, this ring kit is commonly used on Yamaha V4 and V6 2-stroke outboards including many carbureted, EFI, Saltwater Series, ProV, Excel, and OX66 models that utilize the OEM numbers listed above.
| Manufacturer | Models | Years |
|---|---|---|
| Yamaha | 115HP 2-Stroke | Various Applications |
| Yamaha | 130HP 2-Stroke | Various Applications |
| Yamaha | 150HP 2-Stroke | Various Applications |
| Yamaha | 175HP 2-Stroke | Various Applications |
| Yamaha | 200HP 2-Stroke | Various Applications |
| Yamaha | 225HP 2-Stroke | Various Applications |
| Yamaha | 250HP 2-Stroke | Various Applications |
Yamaha used multiple piston and ring designs across engines with similar horsepower ratings. Always verify your original Yamaha OEM ring number before ordering.
This kit replaces OEM numbers 6K7-11601-02-00, 6R5-11603-00-00, 64D-11603-00-00, 64D-11603-01-00, and 64D-11603-02-00.
OEM & Cross Reference Numbers
| Type | Part Number |
|---|---|
| GLM Part Number | 3937GM |
| Yamaha OEM | 6K7-11601-02-00 |
| Yamaha OEM | 6R5-11603-00-00 |
| Yamaha OEM | 64D-11603-00-00 |
| Yamaha OEM | 64D-11603-01-00 |
| Current Yamaha OEM | 64D-11603-02-00 |
| Sierra | 18-39320 |
Product Specifications
- Brand: GLM Marine
- Part Number: 3937GM
- Part Type: Piston Ring Kit
- Size: Standard Bore
- Bore Diameter: 3.544"
- Engine Type: Yamaha 2-Stroke Outboards
- Application: Standard Bore Rebuilds and Piston Service
Prefer Pro Marine?
Pro Marine 3937 Standard Piston Ring Kit
Looking for the Pro Marine version? We also stock the Pro Marine 3937 Standard Piston Ring Kit for the same Yamaha applications and OEM cross references.
What This Part Is Used For
Piston rings seal combustion pressure, help transfer heat from the piston to the cylinder wall, and maintain proper compression. Replacing worn rings during a rebuild helps restore engine performance and reliability.
This standard-size ring kit is intended for engines that remain within factory bore specifications and do not require oversized pistons or rings.
Key Features & Benefits
- GLM Marine aftermarket piston ring kit
- Standard bore replacement
- 3.544" bore size
- Replaces multiple Yamaha OEM piston ring assemblies
- Ideal for powerhead rebuilds and piston replacement
- Manufactured to OEM specifications
- Pro Marine alternative linked above
FAQ
Is this a standard size ring kit?
Yes. Part number 3937GM is a standard bore piston ring kit.
What Yamaha OEM numbers does this replace?
It replaces 6K7-11601-02-00, 6R5-11603-00-00, 64D-11603-00-00, 64D-11603-01-00, and 64D-11603-02-00.
Can I use this on an oversized piston?
No. This is a standard-size ring kit. Oversized pistons require matching oversized rings.
Do you carry a Pro Marine version?
Yes. The Pro Marine 3937 version is linked above.
Should I replace rings during a rebuild?
Yes. Replacing piston rings is standard practice during most powerhead rebuilds and piston service procedures.
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 internal engine parts are not returnable.
- Return authorization is required before sending items back.
Searchable Terms
3937GM, GLM 3937GM, Yamaha piston ring kit, Yamaha standard ring kit, Yamaha 115 piston rings, Yamaha 130 piston rings, Yamaha 150 piston rings, Yamaha 175 piston rings, Yamaha 200 piston rings, Yamaha 225 piston rings, Yamaha 250 piston rings, Yamaha V4 piston rings, Yamaha V6 piston rings, 6K7-11601-02-00, 6R5-11603-00-00, 64D-11603-00-00, 64D-11603-01-00, 64D-11603-02-00, 18-39320, GLM Marine, Pro Marine 3937
6K7-11601-02-00
6R5-11603-00-00
64D-11603-00-00
64D-11603-01-00
64D-11603-02-00
42364A91
42364A92
689-W0001-C2-00
689-W0001-22-00
GLM Marine Replacement Component
Yamaha V4 V6 115-300HP & Mercury 225/250 Driveshaft Collar
The GLM 9076GM Driveshaft Collar is an aftermarket replacement designed for Yamaha and Mercury outboards utilizing Yamaha OEM 61A-45527-00-00 and Mercury OEM 8886901. Installed within the water pump assembly, this collar helps maintain proper alignment of critical cooling system components.
Whether you're rebuilding a complete water pump, servicing a lower unit, or performing preventative maintenance, the GLM 9076GM offers a dependable replacement option for a wide range of Yamaha V4 and V6 outboards as well as Mercury EFI FourStroke models.
OEM Numbers & Cross References
The GLM 9076GM cross references directly to Yamaha OEM 61A-45527-00-00 and Mercury OEM 8886901.
| Manufacturer | Part Number |
|---|---|
| GLM Marine | 9076GM |
| Yamaha OEM | 61A-45527-00-00 |
| Mercury OEM | 8886901 |
| Pro Marine | 45527P |
| Sierra | 18-9076 |
| Mercury OEM Part | 45527 |
Compatible Applications
Yamaha OEM 61A-45527-00-00 is used across a broad range of Yamaha V4 and V6 engines, including many Saltwater Series, EFI, OX66, VMAX, and four-stroke models. Mercury OEM 8886901 is commonly found 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, 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 several lower unit and water pump designs across various engine families. Always confirm your OEM part number before ordering.
This GLM collar replaces Yamaha OEM 61A-45527-00-00 and Mercury OEM 8886901.
Alternative Brands Available
Mercury OEM 45527
Genuine Mercury factory replacement for customers seeking original equipment parts.
View OEM Version
Pro Marine 45527P
Popular aftermarket replacement used by marine repair shops and technicians.
View Pro Marine Version
Designed for Water Pump Service & Rebuilds
The driveshaft collar works as part of the lower unit cooling system assembly. During water pump service, technicians frequently inspect and replace collars, spacers, wear plates, seals, and impellers together to help restore proper cooling system performance.
Because these components operate in a harsh marine environment, replacing worn parts during maintenance can help reduce the likelihood of future cooling system issues.
GLM 9076GM Features
- Replaces Yamaha OEM 61A-45527-00-00
- Replaces Mercury OEM 8886901
- Fits Yamaha V4 and V6 applications from 115HP through 300HP
- Fits Mercury 225 and 250 EFI FourStroke models
- Designed for lower unit cooling system repairs
- Ideal for water pump rebuilds and preventative maintenance
- Cost-effective aftermarket replacement
Why Choose GLM Marine Parts?
GLM Marine has supplied aftermarket marine engine components for decades and is well known throughout the boating industry for offering dependable replacement parts for outboard, sterndrive, and inboard applications.
The GLM 9076GM provides boat owners and marine technicians with a practical alternative to OEM components while maintaining compatibility with the original application.
FAQ
What OEM numbers does GLM 9076GM replace?
Yamaha 61A-45527-00-00 and Mercury 8886901.
What engines commonly use this driveshaft collar?
Many Yamaha V4 and V6 engines from 115HP through 300HP as well as Mercury 225 and 250 EFI FourStroke models.
Is this a genuine Mercury part?
No. This is a GLM Marine aftermarket replacement. The Mercury OEM version is linked above.
Do you stock other brands?
Yes. We also carry Mercury OEM, Pro Marine, and Sierra versions of this driveshaft collar.
When should this part be replaced?
The collar should be inspected during water pump service and replaced if wear, corrosion, or damage is present.
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 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 returning merchandise.
Need assistance?
Contact Us
Phone: 941-721-3000
Searchable Terms
GLM 9076GM, 9076GM, 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 driveshaft collar, Mercury 250 EFI FourStroke driveshaft collar, Pro Marine 45527P, Sierra 18-9076, Mercury OEM 45527, GLM Marine replacement parts
61A-45527-00-00
8886901
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
GLM Marine Water Pump Washer
Yamaha 90-300HP & Mercury FourStroke Water Pump Washer
The GLM 90201GM Driveshaft Water Pump Washer is an aftermarket replacement for Yamaha OEM 90201-22M01-00 and Mercury OEM 8556822. This washer is used in the lower unit water pump assembly and is commonly serviced with the impeller, wear plate, housing, and related driveshaft components.
This GLM version is a good choice for boat owners and repair shops looking for a practical aftermarket replacement during water pump service on many Yamaha 90-300HP and Mercury FourStroke applications.
OEM Numbers & Cross References
Yamaha identifies this component as a plate washer / water pump housing plate washer under OEM number 90201-22M01-00. Mercury and Mariner cross references include 8556822 and 12-8556822.
| Type | Part Number |
|---|---|
| GLM Marine | 90201GM |
| Yamaha OEM | 90201-22M01-00 |
| Mercury / Mariner OEM | 8556822 |
| Mercury / Mariner OEM | 12-8556822 |
| Sierra | 18-90201 |
| Sierra Cross Reference | 18-9078 / 18-9079 |
Compatible Applications
Fitment should be confirmed by matching the original OEM number. Yamaha 90201-22M01-00 is listed across many Yamaha water pump and gearcase applications, including 115HP through 250HP models in detailed OEM fitment listings, while aftermarket fitment data also identifies Yamaha 2-stroke 115-300HP, Yamaha 4-stroke 115-225HP, and Mercury 225 EFI FourStroke applications. :contentReference[oaicite:0]{index=0}
| Engine Family | Common Applications |
|---|---|
| Yamaha 2-Stroke | 115HP-300HP applications using OEM 90201-22M01-00 |
| Yamaha 4-Stroke | 115HP-225HP applications using OEM 90201-22M01-00 |
| Yamaha VMAX / HPDI / OX66 | Common 150HP-300HP water pump applications |
| Yamaha F-Series | Common F115, F150, F200, F225 applications |
| Mercury FourStroke | Mercury 225 EFI FourStroke, serial number 0T653945 & up |
| Mercury / Mariner | Applications using OEM 8556822 or 12-8556822 |
Water pump washers can vary by gearcase, driveshaft, and water pump housing design. Always confirm your original OEM part number before ordering.
This GLM washer replaces Yamaha 90201-22M01-00 and Mercury 8556822 / 12-8556822.
Also Available in Sierra Brand
Sierra 18-90201 Water Pump Washer
Prefer Sierra? We also stock the Sierra 18-90201 version of this Yamaha and Mercury water pump washer for the same OEM cross references.
Where This Washer Is Used
This washer is used in the water pump and driveshaft area of the lower unit. It helps maintain the correct stack-up of components in the pump assembly, supporting proper fitment of the housing, plate, impeller, and related hardware.
Because the washer is small and inexpensive, many technicians inspect or replace it during water pump service instead of reusing a worn, corroded, or distorted washer.
GLM 90201GM Features
- Aftermarket replacement from GLM Marine
- Replaces Yamaha OEM 90201-22M01-00
- Replaces Mercury / Mariner OEM 8556822 and 12-8556822
- Used in water pump and driveshaft service
- Common on many Yamaha 2-stroke and 4-stroke outboard applications
- Common on Mercury 225 EFI FourStroke applications using the listed OEM number
- Sierra alternative linked above
FAQ
What OEM numbers does GLM 90201GM replace?
GLM 90201GM replaces Yamaha 90201-22M01-00 and Mercury / Mariner 8556822 or
12-8556822.
Is this the same as the Sierra washer?
It is the GLM version of the same application family. The Sierra 18-90201
version is linked above.
What Yamaha engines commonly use this washer?
It is commonly listed for many Yamaha 2-stroke 115-300HP and Yamaha 4-stroke
115-225HP water pump applications using OEM 90201-22M01-00.
Does this fit Mercury outboards?
Yes, when your Mercury or Mariner application uses OEM number 8556822 or
12-8556822. It is commonly listed for Mercury 225 EFI FourStroke applications.
Should this washer be replaced during water pump service?
Replace it if it shows wear, corrosion, distortion, or damage. Always follow
your service manual and parts diagram.
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
90201GM, GLM 90201GM, Sierra 18-90201, 18-90201, 18-9078, 18-9079, Yamaha 90201-22M01-00, Mercury 8556822, Mercury 12-8556822, Yamaha water pump washer, Yamaha driveshaft washer, Yamaha plate washer, Yamaha F115 water pump washer, Yamaha F150 water pump washer, Yamaha F200 water pump washer, Yamaha F225 water pump washer, Yamaha VMAX water pump parts, Yamaha HPDI water pump washer, Mercury 225 EFI FourStroke water pump washer
8556822
90201-22M01-00
0769163
18-8300
18-8300
86011
878966
9-76221