The Red Rhino ME-BFL3-3J gearcase rebuild kit is designed for select 1986-1996 Mercury and Mariner 60-90 HP 3-jaw lower units, including early L3 and BigFoot applications. This package combines the major bearings, seals, clutch components, water pump parts, shim components, and hardware needed for a comprehensive lower-unit rebuild.
Gearcase Rebuild Kit At a Glance
| Years: 1986-1996 | Horsepower: 60-90 HP |
| Gearcase: 3-Jaw | Gear Set: Not Included / Not Available |
| Applications: L3 / BigFoot / Select Force | Warranty: 1-Year Limited |
Gear Set Is Not Included
A replacement gear set is not currently available for this early 3-jaw application and is not included with this rebuild kit. This package is intended for customers rebuilding a lower unit with reusable forward, reverse, and pinion gears.
1986 Applications Require Verification
Early gearcase configurations can vary. If you have a 1986 engine, please provide your engine model and serial number before ordering so we can help confirm the clutch and gearcase configuration for your application.
Fitment
- Select Mercury & Mariner 70-90 HP 3-jaw lower units — 1986-1996
- Select Mercury & Mariner 60 HP BigFoot 3-jaw applications — 1995-1996
- Select Force 90 HP 3-jaw applications — 1995-1996
- Early L3 / 3-cylinder gearcase applications
- Model and serial number verification recommended before ordering
What's Included
- No gear set is included or currently available for this application
- 3-Dog Reverse Clutch Dog — replaces Mercury 52-822539T on applicable models
- Clutch Dog Spring — replaces Mercury 24-30893
- Clutch Dog Pin — replaces Mercury 17-30632
- Pinion Nut — replaces Mercury 11-35921
- Water Pump / Impeller Service Kit — replaces Mercury 47-43026T11
- Gearcase Seal Kit — replaces Mercury 26-43035A4
- Shim Kit — replaces Mercury 44491A1 and 44492A1
- Complete Gearcase Bearing Kit
Bearing Kit Includes
- Inner Forward Gear Bearing — replaces 31-30895T
- Outer Forward Gear Bearing — replaces 31-30894A1
- Bottom Driveshaft Bearing — replaces 31-42677A1
- Reverse Gear Thrust Bearing — replaces 31-12576T
- Aft Carrier Bearing — replaces 31-30956T
- Forward Carrier Bearing — replaces 31-12578A
- Top Driveshaft Bearing
1-Year Red Rhino Limited Warranty
This gearcase rebuild kit is backed by the Red Rhino 1-Year Limited Warranty. Review the complete warranty terms before installation.
Frequently Asked Questions
Does this rebuild kit include a gear set?
No. A replacement gear set is not currently available for this early 3-jaw application. Your existing forward, reverse, and pinion gears must be reusable.
What does the kit include if there are no gears?
The kit includes the applicable clutch components, bearing kit, gearcase seal kit, shim kit, water pump service kit, pinion nut, and related rebuild components listed above.
Will this kit fit a 1998 or newer 6-jaw lower unit?
No. The later 6-jaw gearcase uses different gear and clutch components and is covered by a separate rebuild kit.
Will this fit my 1986 engine?
Some early applications require additional verification. Please send us your engine model and serial number before ordering so we can help confirm the correct gearcase and clutch configuration.
Does the kit include bearings and seals?
Yes. A complete bearing package, gearcase seal kit, and shim kit are included.
Is a water pump kit included?
Yes. A water pump / impeller service kit is included with the rebuild package.
Individual Lower Unit Parts
Need a specific component instead of the complete rebuild package? Shop our Mercury/Mariner 60 HP BigFoot and L3 70-90 HP lower unit parts for available bearings, seals, clutch components, shafts, and other gearcase parts.
Questions About This Rebuild Kit?
Need help confirming whether this early 3-jaw kit is correct for your lower unit? Email us at customerservice@marinepartswarehouse.com with your engine model and serial number, and our team will be happy to help with any information we have available.
