Water Pump Service Kit - Mercury / Mariner 35-70 HP (1970-1997) OEM# 18-3207 | WSM 725-200

Water Pump Service Kit Mercury / Mariner 35 - 70 Hp OEM# 18-3207

This WSM water pump service kit is a quality aftermarket replacement part designed for Mercury 2 Cyl 2.875 Bore Cross Flow 35 and 6 other compatible models.

It replaces selected OEM reference numbers including 18-3207, 47-89983Q1, 47-89983T2 and is suitable for service, repair and rebuild work.

Key Features

• Quality aftermarket replacement part from WSM
• Engineered for dependable fit, function and service life
• Designed for marine and powersports repair and maintenance
• Compatible with 55 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 725-200
• Product: Water Pump Service Kit
• OEM Reference: 18-3207, 47-89983Q1, 47-89983T2
• Application: Mercury 2 Cyl 2.875 Bore Cross Flow 35 and 6 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercury 2 Cyl 2.875 Bore Cross Flow 35 – 1984
• Mercury 2 Cyl 2.875 Bore Cross Flow 35 – 1985
• Mercury 2 Cyl 2.875 Bore Cross Flow 35 – 1986
• Mercury 2 Cyl 2.875 Bore Cross Flow 35 – 1987
• Mercury 2 Cyl 2.875 Bore Cross Flow 35 – 1988
• Mercury 2 Cyl 2.875 Bore Cross Flow 35 – 1989
• Mercury 3 Cyl 2.875 Bore Cross Flow 50 – 1986
• Mercury 3 Cyl 2.875 Bore Cross Flow 50 – 1987
• Mercury 3 Cyl 2.875 Bore Cross Flow 50 – 1988
• Mercury 3 Cyl 2.875 Bore Cross Flow 50 – 1989
• Mercury 3 Cyl 2.875 Bore Cross Flow 50 – 1990
• Mercury 3 Cyl 2.875 Bore Cross Flow 60 – 1984
• Mercury 3 Cyl 2.875 Bore Cross Flow 60 – 1985
• Mercury 3 Cyl 2.875 Bore Cross Flow 60 – 1986
• Mercury 3 Cyl 2.875 Bore Cross Flow 60 – 1987
• Mercury 3 Cyl 2.875 Bore Cross Flow 60 – 1988
• Mercury 3 Cyl 2.875 Bore Cross Flow 60 – 1989
• Mercury 3 Cyl 2.875 Bore Cross Flow 60 – 1990
• Mercury 3 Cyl 2.875 Bore Cross Flow 65 – 1972
• Mercury 3 Cyl 2.875 Bore Cross Flow 65 – 1973
• Mercury 3 Cyl 2.875 Bore Cross Flow 65 – 1974
• Mercury 3 Cyl 2.875 Bore Cross Flow 65 – 1975
• Mercury 3 Cyl 2.875 Bore Cross Flow 65 – 1976
• Mercury 3 Cyl 2.875 Bore Cross Flow 70 – 1977
• Mercury 3 Cyl 2.875 Bore Cross Flow 70 – 1978
• Mercury 3 Cyl 2.875 Bore Cross Flow 70 – 1979
• Mercury 3 Cyl 2.875 Bore Cross Flow 70 – 1980
• Mercury 3 Cyl 2.875 Bore Cross Flow 70 – 1981
• Mercury 3 Cyl 2.875 Bore Cross Flow 70 – 1982
• Mercury 3 Cyl 2.875 Bore Cross Flow 70 – 1983
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1989
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1990
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1991
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1992
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1993
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1994
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1995
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1996
• Mercury 4 Cyl 2.565 Bore Cross Flow 40 – 1997
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1970
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1971
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1972
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1973
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1974
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1975
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1976
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1977
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1978
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1979
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1980
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1981
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1982
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1983
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1984
• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1985

Why Buy WSM

WSM is a trusted manufacturer of aftermarket marine and powersports parts, known for dependable quality, strong fitment coverage and workshop-ready replacement components.

You May Also Need

Browse related parts for compatible models:

• Bolt Connecting Rod Force / Mercury / Mariner 20 - 150 Hp OEM# 10-91012 – 805-200
• Bushing Lower Unit Mercury / Mariner 30 - 300 Hp OEM# 23-37428A1 – 447-318
• Oil Seal Propeller Shaft Mercury / Mariner / Mercruiser 30 - 300 Hp OEM# 26-14077 – 447-422
• Water Pump Impeller Mercury / Mariner 30 - 70 Hp OEM# 18-3007 – 700-200

Please use the fitment guide, OEM references and images to confirm this is the correct part before ordering.