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Mercury 9.9-20HP 100 Hour Service Kit Without Oil and Gear Lube
OEM Mercury 100 hour maintenance kit 8M0151469 for select Mercury 9.9HP FourStroke and 10-20HP EFI FourStroke outboards. This kit includes the common filters, O-rings, and drain washer needed for routine service. Engine oil and gear lube are sold separately.
Oil and Gear Lube Sold Separately
This kit does not include fluids. For the listed Mercury 9.9HP and 10-20HP EFI applications, add the following oil and gear lube to complete the service:
Compatible Applications
Always verify your model, horsepower, and serial number before ordering service parts.
What is Included
Parts 8M0188617 and 8M0075255 are not stocked and may be available by special order.
Complete Your Service
100 Hour Kit With Oil and Gear Lube
Choose this option if you want the same 100 hour service kit packaged with the required oil and gear lube.
View Kit With Oil
300 Hour Kit Without Oil and Gear Lube
Step up to the 300 hour service kit for aligned Mercury 9.9HP and 10-20HP EFI applications when fluids are purchased separately.
View 300 Hour Kit
300 Hour Kit With Oil and Gear Lube
Complete 300 hour service kit option with the required oil and gear lube included for the same aligned Mercury applications.
View 300 Hour Kit With OilWhat This Kit is Used For
Mercury service kit 8M0151469 is used for routine 100 hour maintenance on compatible Mercury four stroke outboards. Replacing the oil filter, fuel filter components, fuel bowl O-ring, and oil drain washer helps support clean fuel delivery, proper lubrication, and dependable engine performance.
This kit is a convenient option for customers who want the main service parts but prefer to purchase engine oil and gear lube separately.
Key Features and Benefits
Factory Mercury service kit for the listed serial number applications.
Includes common filter and sealing components used during scheduled service.
Oil and gear lube are sold separately for customers who want to choose fluids individually.
Individual kit contents are linked above for easy replacement or kit customization.
FAQ
Does this Mercury 100 hour kit include oil?
No. This version of the kit does not include engine oil or gear lube. For the listed applications, add 2 quarts of Mercury 10W30 FC-W engine oil and 1 quart of Mercury High Performance gear lube.
What engines does 8M0151469 fit?
This kit fits select Mercury 9.9HP FourStroke engines serial number 1R008146-1R278792 and Mercury 10-20HP EFI FourStroke engines serial number 0R833820-Present.
Is there a version with oil and gear lube included?
Yes. The complete 100 hour service kit with oil and gear lube is available here: 8M0151469-1 100 Hour Service Kit With Oil.
Can I buy the kit contents individually?
Yes. Some customers prefer to customize their kit. The individual parts are linked in the What is Included section 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.
- Maintenance kits 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 Part Numbers
8M0151469, 8M0151469-1, 8M0151470, 8M0151470-1, 822626Q03, 8M0134466, 8537331, 8518151, 895146, 858045K01, HPLUBEQT, 8M0188617, 8M0075255, Mercury 100 hour service kit, Mercury 300 hour service kit, Mercury 9.9 service kit, Mercury 10HP service kit, Mercury 15HP service kit, Mercury 20HP EFI service kit
881613001
8M0162139
8M0153722
881695001
Mercury Lower Unit Components
Mercury 65-150HP FourStroke Bearing Carrier Retainer 8M0185683
Mercury OEM bearing carrier retainer 8M0185683 secures the bearing carrier inside the gearcase on select Mercury and Mariner FourStroke outboards. It is an important retaining component used in the propeller shaft area of the lower unit.
Mercury 8M0185683 supersedes previous part numbers 8M0168886 and 8M0069653. This retainer is commonly found on 65-150HP FourStroke models, including 75-115HP EFI and SeaPro engines, 65-80HP Jet models, and gearcases using a 2.07:1 gear ratio. Always verify by engine serial number before ordering.
Compatible Applications
| Brand | Engine / System | Application | Fitment Note |
|---|---|---|---|
| Mercury / Mariner | 75-115HP EFI FourStroke | Gearcase bearing carrier | Verify by serial number |
| Mercury SeaPro | 75-115HP FourStroke | Bearing carrier retainer | Used on select commercial models |
| Mercury Jet | 65-80HP Jet | Lower unit bearing carrier | Verify gearcase configuration |
| Mercury / Mariner | 65-150HP FourStroke | 2.07:1 gearcase applications | Serial number verification recommended |
Important Fitment Note
Bearing carrier retainers vary by gearcase design and gear ratio. Always verify compatibility using your engine serial number and OEM parts diagram before ordering.
OEM & Cross Reference Numbers
| Current OEM Number | 8M0185683 |
| Supersedes | 8M0168886, 8M0069653 |
| Description | Bearing Carrier Retainer |
What This Part Is Used For
This retainer locks the bearing carrier securely into the lower unit gearcase. It helps maintain proper alignment of the propeller shaft bearings and internal gearcase components.
During lower unit rebuilds or bearing carrier service, the retainer should be inspected for damage, corrosion, or thread wear. Replacing worn retainers helps ensure the bearing carrier remains securely fastened during operation.
Key Features and Benefits
- Current Mercury OEM number 8M0185683
- Replaces Mercury 8M0168886 and 8M0069653
- Secures the bearing carrier inside the lower unit
- Used on select 65-150HP FourStroke gearcases
- Ideal for gearcase repair and lower unit rebuilds
- Designed for long service life in marine environments
FAQ
What does this retainer do?
It secures the bearing carrier inside the lower unit gearcase and helps retain the propeller shaft bearing assembly.
Which part numbers does it replace?
Mercury 8M0185683 replaces 8M0168886 and 8M0069653.
Will it fit every Mercury FourStroke?
No. It is used on select 65-150HP FourStroke gearcases. Always verify by engine serial number because gearcase components vary by model and gear ratio.
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
Mercury bearing carrier retainer, Mercury lower unit retainer, Mercury gearcase bearing retainer, Mercury FourStroke gearcase parts, prop shaft bearing retainer, Mercury 75HP FourStroke, Mercury 90HP FourStroke, Mercury 115HP FourStroke, Mercury SeaPro lower unit parts
Searchable Part Numbers
8M0185683, 8M0168886, 8M0069653
8M0168886
8M0185683