Mercury 43035A4 100-125HP 2-Cycle Outboard Gear Housing Seal Kit

Mercury 43035A4 Gear Housing Seal Kit

The Mercury 43035A4 Gear Housing Seal Kit is designed for use with select Mercury and Mariner outboard lower units. This seal kit is used when servicing the gear housing on compatible 100, 115, and 125 HP 2-cycle outboards.

Replacing worn or damaged gear housing seals helps protect the lower unit from water intrusion and helps maintain proper gearcase lubrication. Always inspect related lower unit components during service and replace any worn parts as needed.

Product Features:

• Gear housing seal kit for compatible Mercury and Mariner outboards
• Designed for select 100, 115, and 125 HP 2-cycle applications
• For outboards with 3 or 6 jaw reverse clutch where specified
• Used during lower unit and gear housing service
• Helps replace worn or damaged gear housing seals
• Helps protect the lower unit from water intrusion

Product Details:

• Brand: Mercury
• Manufacturer Part Number: 43035A4
• Part Type: Gear Housing Seal Kit
• Application: Select Mercury and Mariner 2-cycle outboards

Fits:

• Mercury/Mariner 100 HP 2-cycle outboards, serial number 0B209468 and newer
• Mercury/Mariner 115 HP 2-cycle outboards, serial number 0B209468 and newer
• Mercury/Mariner 125 HP 2-cycle outboards, serial number 0B209468 and newer
• Applications with either a 3 or 6 jaw reverse clutch

Interchange:

• Sierra 18-2626

Fitment Note: Gear housing seal kit fitment should be verified by outboard model, horsepower, serial number, reverse clutch style, lower unit parts diagram, or existing part number before ordering. Please confirm this seal kit is correct for your Mercury or Mariner outboard before purchasing.

Frequently Asked Questions

What is the Mercury 43035A4 Gear Housing Seal Kit used for?

The Mercury 43035A4 Gear Housing Seal Kit is used when servicing the gear housing on select Mercury and Mariner outboard lower units. Replacing worn or damaged seals helps protect the lower unit from water intrusion and helps maintain proper gearcase lubrication.

What Mercury and Mariner outboards does the Mercury 43035A4 seal kit fit?

The Mercury 43035A4 is designed for select 100, 115, and 125 HP 2-cycle Mercury and Mariner outboards with serial number 0B209468 and newer. It is also specified for applications using either a 3-jaw or 6-jaw reverse clutch.

Does the Mercury 43035A4 Gear Housing Seal Kit fit both 3-jaw and 6-jaw reverse clutches?

Yes. The Mercury 43035A4 Gear Housing Seal Kit is specified for compatible outboard applications with either a 3-jaw or 6-jaw reverse clutch. Verify the reverse clutch style and other fitment details before ordering to ensure the kit is correct for your lower unit.

What should I verify before ordering the Mercury 43035A4 seal kit?

Verify the outboard model, horsepower, serial number, reverse clutch style, lower unit parts diagram, or existing part number before ordering. The listed applications are select Mercury and Mariner 100, 115, and 125 HP 2-cycle outboards with serial number 0B209468 and newer.

What is an interchange number for the Mercury 43035A4 Gear Housing Seal Kit?

The listed interchange for the Mercury 43035A4 Gear Housing Seal Kit is Sierra 18-2626. Confirm the application and fitment details for your specific Mercury or Mariner outboard before using an interchange number for replacement.

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