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New Mercury & Mariner Outboard Replacement Gearcase Bearing Kits

Discover high-quality gearcase bearing kits for Mercury & Mariner outboard engines at OBParts. Our selection includes gearcase and lower unit bearing kits from trusted brands like EMP and Red Rhino, designed to match or exceed OEM standards. Whether you're rebuilding a powerhead or restoring gearcase performance, our kits—such as the EMP 31‑31004 for 1993‑later Mercury/Mariner V6 200 HP or the Red Rhino lower unit kits for various HP ranges—ensure smooth operation and engine longevity. Find the right gearcase bearings and quickly and get back on the water faster.

 

HP Year Inner
Forward Gear
Outer
Forward Gear
Top
Drive Shaft
Bottom
Drive Shaft
70-90 HP 3 Cyl
100-125 HP 4 Cyl
1987-06
1988-06
R-B1616 R-25580 R-BH1812 R-15101
135-200 HP V6 1986-15 R-B1616 R-205149 (86-97)
R-25580 (98-04)
R-84549 JE-B42
200 DFI-250 HP 3.0L 1994-07 R-B1616 *R-25580
*R-910415
**R-84549
**R-44649
JE-B42
HP Year Reverse
Thrust
Forward
Carrier
Aft
Carrier
Reverse
Gear
70-90 HP 3 Cyl
100-125 HP 4 Cyl
1987-06
1988-06
ME-B53 R-B2812 R-B1916  
135-200 HP V6 1986-15     R-B1916 B6209
200 DFI-250 HP 3.0L 1994-07   R-B1916   B6209
*When ordering forward gear bearings, we must have the number stamped on the bearing race to match your exact application
**Single Bearing application uses R-84549. Double Bearing application uses both R-84549 and R-44649

 

 

9 of 9 Items
9 of 9 Items