Mercury 8M0057716 Gearcase Seal Kit 150 HP EFI FourStroke

Mercury 8M0057716 Gearcase Seal Kit 150 HP EFI FourStroke

Mercury 8M0057716 is a genuine Mercury gearcase seal kit for select 150 HP EFI FourStroke outboards where this exact kit is specified by the factory parts diagram.

Key Features

• Genuine Mercury marine gearcase seal kit
• For select Mercury 150 HP EFI FourStroke outboards
• Includes multiple seals, O-rings, gaskets, and related gearcase sealing components
• Used during compatible lower unit reseal and gearcase service work
• Direct replacement when Mercury part number 8M0057716 is specified
• Designed for exact part-number matching during gearcase repair or rebuild work

Fitment / Product Details

• Brand: Mercury
• Part Number: 8M0057716
• Product: Gearcase Seal Kit
• Application Range: Select Mercury 150 HP EFI FourStroke outboards
• System: Gearcase / Lower Unit

Gearcase seal kit fitment depends on engine model, serial number, gearcase ratio, rotation, shaft configuration, and the exact lower unit assembly being serviced. Verify fitment with your Mercury serial number and factory parts diagram before ordering.

What’s Included

• Mercury 8M0057716 gearcase seal kit components shown

Gears, bearings, shafts, carriers, shims, gearcase lubricant, tools, sealant, and other lower unit parts are not included unless listed separately.

Why You Should Buy

Gearcase sealing components help prevent water intrusion and lubricant loss in compatible lower units. Using the correct Mercury seal kit supports proper gearcase service and helps protect internal lower unit components.

Common Applications

Used on select Mercury 150 HP EFI FourStroke outboards where the factory parts listing calls for gearcase seal kit 8M0057716.

FAQ

Is this a complete lower unit rebuild kit?

No. This listing is for the gearcase seal kit only. It does not include gears, shafts, bearings, or shims unless specifically listed.

Does this fit every Mercury 150 HP outboard?

No. Fitment varies by engine family, serial number, and gearcase configuration. Verify by parts diagram before ordering.

Can Wakeboss help confirm fitment?

Yes. Send your engine model and serial number through Ask a Parts Pro and we can help check the correct gearcase diagram.