Sierra Lower Unit Seal Kit 18-2655, Replaces 26-89238A2, Fits Mercury/Mariner V-6 135/150 & 175/200 Outboards

The Sierra 18-2655 is a lower unit seal kit built to reseal the gearcase on Mercury/Mariner V-6 outboards. It fits 135/150 V-6 outboards with serial number 0A904646 and newer, and 175/200 V-6 outboards with serial number 6618751 and newer. The kit is designed as a direct replacement for Mercury Marine OEM part 26-89238A2, giving boat owners and technicians a straightforward way to restore the lower unit seal without sourcing individual OEM components.

Inside the kit is a bushing gasket (Sierra 18-2155, OEM equivalent 23-77631A2), supplied in a quantity of one, so the correct gasket is on hand when the gearcase is opened up for service. The kit ships in white and is compact, weighing 0.28 pounds, making it easy to store in a parts bin or take along for on-water repairs. As with other Sierra parts, it is backed by Sierra's customer satisfaction warranty, giving buyers confidence in fit and quality when servicing these Mercury/Mariner V-6 lower units.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-2655
• Product Name: Lower Unit Seal Kit
• Category: Mercury Outboard Gearcase Seal Kit
• Kit Contents: Bushing gasket (Sierra 18-2155), Qty 1
• OEM Cross Reference: 26-89238A2
• Weight: 0.28 pounds
• Item Dimensions: 0.39 x 0.39 x 0.39 inches
• Color: White
• UPC: 030999312662
• Fit Type: Universal Fit

Fitment

• Mercury/Mariner 135/150 V-6 (serial number 0A904646 and newer)
• Mercury/Mariner 175/200 V-6 (serial number 6618751 and newer)

Replaces (OEM)

• 26-89238A2

Frequently Asked Questions

What does the Sierra 18-2655 Lower Unit Seal Kit fit? The 18-2655 fits Mercury/Mariner 135/150 V-6 outboards with serial number 0A904646 and newer, and 175/200 V-6 outboards with serial number 6618751 and newer.

Is the Sierra 18-2655 an OEM replacement? Yes, it replaces Mercury Marine OEM part 26-89238A2 and is designed to match the original lower unit seal kit.

What is included in the Sierra 18-2655 kit? One bushing gasket, Sierra part 18-2155 with OEM equivalent 23-77631A2, supplied in a quantity of one.

How much does this seal kit weigh? The Sierra 18-2655 Lower Unit Seal Kit weighs 0.28 pounds.

What are the dimensions of the 18-2655 kit? It measures 0.39 x 0.39 x 0.39 inches.

What color is the Sierra 18-2655 kit? The kit is white.

Does the 18-2655 come with a warranty? Yes, the 18-2655 is covered under Sierra's customer satisfaction warranty.

How do I confirm the 18-2655 fits my outboard? Check your outboard's serial number against the fitment ranges: 135/150 V-6 at 0A904646 and newer, or 175/200 V-6 at 6618751 and newer.

What is the UPC for the Sierra 18-2655? The UPC is 030999312662.

Can the 18-2655 be used on both 135/150 and 175/200 Mercury/Mariner V-6 outboards? Yes, the 18-2655 kit covers both the 135/150 V-6 (0A904646 and newer) and 175/200 V-6 (6618751 and newer) engine families.