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.

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