Reverse Gear for Mercury Mariner 4HP 5HP 6HP Outboard 2/4-Stroke, 8129451

Fit on MERCURY MERCURY:

Marine Mariner Outboard 2 Stroke Carb 4/5 [0A855097 THRU 0G710612],
Marine Mariner Outboard 2 Stroke Carb 4/5 [9589154 THRU 0P016999],
Marine Mariner Outboard 2 Stroke Carb 4-5 HP [0G710613 THRU 0T894438],
Marine Mariner Outboard 2 Stroke Carb 4-5 HP [0P401000 & Up],
Marine Mariner Outboard 2 Stroke Carb 4-5 HP [0T894439 & Up],
Marine Mariner Outboard 4 Stroke 4-5-6 HP [0P401000 THRU 0R411837],
Marine Mariner Outboard 4 Stroke 4-5-6 HP [0R000001 THRU 0R067089],
Marine Mariner Outboard 4 Stroke 4-5-6 HP [0R067090 THRU 0R411837],
Marine Mariner Outboard 4 Stroke 4-5-6 HP [0R411838 & Up],
Marine Mariner Outboard 4Stroke 4 -5-6 HP [0P073456 THRU 0P400999],
Marine Mariner Outboard 2 Stroke Carb 4-5 HP HP [0P017000 THRU 0P400999], -
Marine Mercury Marine Outboard 2 Stroke Carb 4/5 [0A855097 THRU 0G710612],
Marine Mercury Marine Outboard 2 Stroke Carb 4/5 [9589154 THRU 0P016999],
Marine Mercury Marine Outboard 2 Stroke Carb 4-5 HP [0G710613 THRU 0T894438],
Marine Mercury Marine Outboard 2 Stroke Carb 4-5 HP [0P401000 & Up],
Marine Mercury Marine Outboard 2 Stroke Carb 4-5 HP [0T894439 & Up],
Marine Mercury Marine Outboard 4 Stroke 4-5-6 HP [0P073456 THRU 0P400999],
Marine Mercury Marine Outboard 4 Stroke 4-5-6 HP [0P401000 THRU 0R411837],
Marine Mercury Marine Outboard 4 Stroke 4-5-6 HP [0R000001 THRU 0R067089],
Marine Mercury Marine Outboard 4 Stroke 4-5-6 HP [0R067090 THRU 0R411837],
Marine Mercury Marine Outboard 4 Stroke 4-5-6 HP [0R411838 & Up],
Marine Mercury Marine Outboard 4 Stroke 5 HP JCI [0R560794 & Up],

Number of teeth: 28

We will not fit Mariner 6E0 models made by Yamaha

Replaces Mercury Mariner: 8129451

It is the buyer responsibility to ensure that part is the right one for his outboard. If you have any concerns regarding the suitability of the item please ask before purchase.

If the part looks the same as yours is not always the right one for your outboards so please double-check. Marine-grade quality aftermarket part.

OEM part number used for reference only. The item is completely compatible and interchangeable with the OEM.

Our aftermarket parts are either produced in the European Union or imported in Europe from a major distributor.

Our parts not only meet the required standards for marine engines but also comply with European laws and regulation of quality.