Water Pump Service Kit - Yamaha 25 / 30 HP (1987-2002) OEM# 18-3430 | WSM 725-415-01

Water Pump Service Kit Yamaha 25 / 30 Hp OEM# 18-3430

This WSM water pump service kit is a quality aftermarket replacement part designed for Yamaha 3 Cyl 2.373 Bore 25 and 1 other compatible model.

It replaces selected OEM reference numbers including 18-3430, 6J8-W0078-00-00, 6J8-W0078-01-00, 6J8-W0078-A1-00, 6J8-W0078-A2-00 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 22 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 725-415-01
• Product: Water Pump Service Kit
• OEM Reference: 18-3430, 6J8-W0078-00-00, 6J8-W0078-01-00, 6J8-W0078-A1-00, 6J8-W0078-A2-00
• Application: Yamaha 3 Cyl 2.373 Bore 25 and 1 other compatible model

Product Fitment

This part is suitable for the following models:

• Yamaha 3 Cyl 2.373 Bore 25 – 1997
• Yamaha 3 Cyl 2.373 Bore 25 – 1998
• Yamaha 3 Cyl 2.373 Bore 25 – 1999
• Yamaha 3 Cyl 2.373 Bore 25 – 2000
• Yamaha 3 Cyl 2.373 Bore 25 – 2001
• Yamaha 3 Cyl 2.373 Bore 25 – 2002
• Yamaha 3 Cyl 2.373 Bore 30 – 1987
• Yamaha 3 Cyl 2.373 Bore 30 – 1988
• Yamaha 3 Cyl 2.373 Bore 30 – 1989
• Yamaha 3 Cyl 2.373 Bore 30 – 1990
• Yamaha 3 Cyl 2.373 Bore 30 – 1991
• Yamaha 3 Cyl 2.373 Bore 30 – 1992
• Yamaha 3 Cyl 2.373 Bore 30 – 1993
• Yamaha 3 Cyl 2.373 Bore 30 – 1994
• Yamaha 3 Cyl 2.373 Bore 30 – 1995
• Yamaha 3 Cyl 2.373 Bore 30 – 1996
• Yamaha 3 Cyl 2.373 Bore 30 – 1997
• Yamaha 3 Cyl 2.373 Bore 30 – 1998
• Yamaha 3 Cyl 2.373 Bore 30 – 1999
• Yamaha 3 Cyl 2.373 Bore 30 – 2000
• Yamaha 3 Cyl 2.373 Bore 30 – 2001
• Yamaha 3 Cyl 2.373 Bore 30 – 2002

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:

• Upper Rod Washer Yamaha 25 - 90 Hp OEM# 010-181W – 010-162W
• Water Pump Impeller Yamaha 25 - 60 Hp OEM# 18-3068 – 700-415
• O-Ring Crankshaft Yamaha 9.9 - 30 Hp OEM# 93210-56M80-00 – 527-116
• O-Ring Crankshaft Yamaha 4 - 55 Hp 84-21 OEM# 93210-42159-00 – 527-54

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