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Mercury Racing / Performance Outboard Steering
Mercury 848125 Spiral Lock Retaining Ring
The Mercury 848125 Spiral Lock Retaining Ring, also referenced as 53-848125, is a genuine OEM-style retaining ring used in select Mercury and Mariner high-performance outboard steering and swivel bracket assemblies.
This part is commonly found on performance and racing outboards, including select Pro Max, Super Mag, XS, Sport XS, Offshore, 300X, and 300XS applications. Exact fitment should always be verified by engine serial number and parts diagram before ordering.
Compatible Applications
| Brand | Engine Family | Application | System |
|---|---|---|---|
| Mercury / Mariner | 2.5L Performance | Pro Max, Super Mag, EFI, Offshore and related models | Swivel bracket / steering arm assembly |
| Mercury Racing | 200XS / 225X | Select DFI and performance models | Steering / swivel components |
| Mercury Racing | 250XS / 250 Sport XS | Select 3.0L DFI performance models | Steering / swivel components |
| Mercury Racing | 300 Pro Max / 300X / 300XS | Select 3.0L and 3.2L high-performance models | Steering / swivel components |
Important Fitment Note
Mercury 848125 is used on select high-performance and racing outboard applications. Because steering and swivel bracket parts can vary by model year, serial range, and bracket configuration, always confirm fitment using your engine serial number and OEM parts diagram before ordering.
OEM & Cross Reference Numbers
| Mercury OEM Part | 848125 |
|---|---|
| Mercury Reference | 53-848125 |
| Part Type | Spiral lock retaining ring |
| Common System | Swivel bracket / steering arm assembly |
What This Part Is Used For
A spiral lock retaining ring is used to hold components securely in place inside the steering or swivel bracket assembly. On high-performance Mercury outboards, small retaining parts like this are important for keeping steering and bracket components properly retained during operation.
This part is commonly replaced during steering arm, swivel bracket, clamp bracket, or heavy-duty steering service when the original retaining ring is removed, damaged, corroded, or no longer reusable.
Key Features and Benefits
- OEM-style spiral lock retaining ring for Mercury performance outboards.
- Commonly referenced as Mercury 848125 and 53-848125.
- Used in select steering arm and swivel bracket assemblies.
- Supports service on Pro Max, Super Mag, XS, Sport XS, Offshore, 300X, and 300XS style applications where specified by diagram.
- Small but important retaining component for bracket and steering service.
FAQ
What is Mercury 848125?
Mercury 848125, also shown as 53-848125, is a spiral lock retaining ring used in select Mercury outboard steering and swivel bracket assemblies.
What engines does this retaining ring fit?
It is used on select Mercury and Mariner high-performance outboards, commonly in 2.5L, 3.0L, and 3.2L performance families including Pro Max, Super Mag, XS, Sport XS, Offshore, 300X, and 300XS style applications.
Where is this part used?
It is commonly found in the swivel bracket and steering arm assembly, including short or heavy-duty bracket configurations where specified by the OEM parts diagram.
Should I verify fitment before ordering?
Yes. These assemblies can vary by serial number and bracket configuration, so confirm using your engine serial number and OEM diagram before ordering.
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 spiral lock retaining ring, Mercury Racing retaining ring, Mercury swivel bracket retaining ring, Mercury steering arm retaining ring, Pro Max retaining ring, 300X retaining ring, 300XS retaining ring.
Searchable Part Numbers
848125, 53-848125
18-2225
23540
320167
777620
878782
Pro Marine Shift Shaft Seal
Yamaha, Mercury & Honda Shift Shaft Seal Replacement
This Pro Marine replacement shift shaft seal is used on select Yamaha, Mercury, and Honda outboard lower units. It helps seal the shift shaft area to prevent water intrusion and gear lubricant leakage.
Designed as a replacement for Yamaha, Mercury, Honda, Sierra, Mallory, and GLM cross-reference numbers, this seal is commonly used during lower unit reseal, shift shaft service, and gearcase repair.
Compatible Applications
| Brand | Engine Range | Engine Type | Application Notes |
|---|---|---|---|
| Yamaha | 40HP-250HP | 2-Stroke | 1984-Up select models |
| Yamaha | F30-F300 | FourStroke | 1995-Up select models |
| Yamaha SHO | VF90-VF250 | FourStroke SHO | 2010-Up select models |
| Mercury | 50HP-450HP | 3-Cylinder, 4-Cylinder, V6, V8 | Select outboard applications |
| Honda | 75HP-90HP | FourStroke | 1997-1998 select models |
Compatible Shift Shaft Seal Carrier
View Pro Marine 25 Inch Shift Shaft Seal Carrier
Replacing the seal when servicing the carrier is recommended to help maintain proper lower unit sealing.
OEM & Aftermarket Cross Reference Numbers
| Brand / Type | Part Numbers |
|---|---|
| Yamaha | 93106-09014-00 |
| Mercury / Quicksilver | 8M0204708, 816461, 816464, 8164641, 82257M, 916464 |
| Honda | 91253-ZW1-003 |
| GLM / Aftermarket | 85223, 85581 |
What This Shift Shaft Seal is Used For
This shift shaft seal is installed in the lower unit to seal around the shift shaft where it passes through the gearcase housing or seal carrier.
A properly sealing shift shaft seal helps keep water out of the lower unit and helps keep gear lubricant inside the gearcase during operation.
Shift shaft seals are commonly replaced during lower unit resealing, water intrusion repair, shift shaft service, or complete gearcase rebuilds.
Replacing worn, hardened, or leaking seals can help protect internal gears, bearings, and shafts from water-contaminated gear lube.
Key Features and Benefits
- Pro Marine aftermarket replacement shift shaft seal
- Fits select Yamaha, Mercury, and Honda outboards
- Direct replacement for Yamaha OEM 93106-09014-00
- Cross references to Mercury 8M0204708, 816461, 816464, 8164641, and 82257M
- Cross references to Honda 91253-ZW1-003
- Helps prevent water intrusion into the lower unit
- Helps prevent gear lubricant leakage
- Common replacement during lower unit reseal service
Shift Shaft Seal Details
- Brand: Pro Marine
- Part Type: Shift Shaft Seal
- Pro Marine Item Number: 7620
- Manufacturer Item: 93106-09014-00
- Application: Select Yamaha, Mercury, and Honda outboard lower units
- System: Lower Unit / Gearcase
- Use: Shift shaft sealing
- Associated Carrier: 65N-45321-00-00
FAQ
What engines does this shift shaft seal fit?
This seal fits select Yamaha 40HP-250HP 2-stroke models, Yamaha F30-F300 four stroke models, Yamaha VF90-VF250 SHO models, Mercury 50HP-450HP outboards, and Honda 75HP-90HP applications.
Is this a genuine OEM seal?
No. This is a Pro Marine aftermarket replacement seal designed to replace multiple OEM and aftermarket part numbers.
What Yamaha OEM number does this replace?
This seal replaces Yamaha OEM part number 93106-09014-00.
What Mercury part numbers does this replace?
This seal cross references to Mercury and Quicksilver part numbers 8M0204708, 816461, 816464, 8164641, 82257M, and 916464.
Should I replace this seal when replacing the shift shaft seal carrier?
Yes. Replacing the seal during carrier service is recommended to help prevent leaks and water intrusion.
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.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
7620, 93106-09014-00, 8M0204708, 816461, 816464, 8164641, 82257M, 85223, 85581, 91253-ZW1-003, 916464, Yamaha shift shaft seal, Mercury shift shaft seal, Honda shift shaft seal, Yamaha lower unit seal, Mercury lower unit seal, Honda lower unit seal, Pro Marine shift shaft seal, 65N-45321-00-00, Yamaha 25 inch seal carrier, lower unit reseal parts
18-2054
18-8347
508481
76384
8M0204708
816461
816464
8164641
82257M
85223
85581
9-76116
9-76117
9-76423
91253-ZW1-003
916464
93106-09014-00
12777
31416
31888
34239
814756
822539
822539T
9-73464
12635T
12634T02
44484T
18-1159
21590
21590
35928A1
35928T1
500395
508758
775502
9-75120
31240
817277
8172771
827277
9-60023