Description
Mercury 8M0146386 Design II Gearcase Shim Set
Mercury 8M0146386 is a genuine Mercury Design II shim set used during service and setup of select 5.44-inch torpedo gearcases. It is specified in standard- and counter-rotation gear housings on select 200-300 HP Mercury V6 and V8 outboards.
Key Features
- Genuine Mercury precision shim set
- Supports correct component spacing during gearcase assembly and service
- Used in compatible 5.44-inch torpedo gear housings
- For both standard- and counter-rotation applications where the factory parts diagram specifies 8M0146386
- Shim set only; gears, bearings, seals and special tools are sold separately
Fitment and Specifications
- Part Number: 8M0146386
- Product Type: Gearcase shim set
- Design: Design II
- Gearcase: 5.44-inch torpedo
- Engine Range: Select 200-300 HP Mercury outboards
- Rotation: Standard and counter rotation, application dependent
- UPC: 745061238039
- Package Quantity: 1
Fitment Note
Applications include select 3.4L V6 and 4.6L V8 Mercury, SeaPro, Pro XS, Verado and 300R gearcases. Fitment varies by engine serial number and gearcase configuration; confirm 8M0146386 in the factory parts diagram before ordering.

