Description
Mercury 821312T02 Reverse Gear
The Mercury 821312T02 reverse gear is a genuine OEM replacement gear for select Mercury and Mariner 30 HP and 40 HP three-cylinder FourStroke outboards equipped with a 2.00:1 gear ratio lower unit. It installs on the propeller shaft inside the gear housing and restores the factory reverse-drive component.
Key Features
- Genuine Mercury Marine OEM reverse gear
- Designed for select 30 HP and 40 HP three-cylinder FourStroke outboards
- For compatible 2.00:1 gear-ratio gear housings
- Direct replacement for the factory reverse gear shown as item 15 in applicable gearcase diagrams
- Mercury part number 821312T02; component prefix 43-821312T02
Verified Applications
- Mercury 30 HP EFI 3-cylinder FourStroke — serial 1C109093 through 1C456299
- Mercury 30 HP EFI 3-cylinder FourStroke — serial 1C456300 and up
- Mercury 40 HP carbureted 3-cylinder FourStroke — serial 1C018826 and up
- Mercury 40 HP EFI 3-cylinder FourStroke — serial 1C043417 through 1C456299
- Mercury 40 HP EFI 3-cylinder FourStroke — serial 1C456300 and up
Specifications
- Part number: 821312T02
- UPC/GTIN: 745061779013
- Gearcase ratio: 2.00:1
- Package quantity: 1 reverse gear
- Approximate packaged dimensions: 3.8 x 2.0 x 4.0 in.
- Approximate packaged weight: 0.8 lb.
Fitment notice: Mercury parts are selected by engine model and serial number. Confirm your exact gear-housing diagram and serial range before ordering. Professional installation and inspection of mating gears, bearings, clutch components, seals and gearcase shimming are recommended.