Water Pump Kit Complete - Yamaha 70 HP 4 - Stroke (2011-2021) OEM# 18-3485 | WSM 750-420-03

Water Pump Kit Complete Yamaha 70 Hp 4-Stroke 11-21 OEM# 18-3485

This WSM water pump kit complete is a quality aftermarket replacement part designed for Yamaha 4 Cyl 4 Stroke 70.

It replaces selected OEM reference numbers including 18-3485, 6CJ-W0078-00-00, 6CJ-W0078-01-00 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 11 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 750-420-03
• Product: Water Pump Kit Complete
• OEM Reference: 18-3485, 6CJ-W0078-00-00, 6CJ-W0078-01-00
• Application: Yamaha 4 Cyl 4 Stroke 70

Product Fitment

This part is suitable for the following models:

• Yamaha 4 Cyl 4 Stroke 70 – 2011
• Yamaha 4 Cyl 4 Stroke 70 – 2012
• Yamaha 4 Cyl 4 Stroke 70 – 2013
• Yamaha 4 Cyl 4 Stroke 70 – 2014
• Yamaha 4 Cyl 4 Stroke 70 – 2015
• Yamaha 4 Cyl 4 Stroke 70 – 2016
• Yamaha 4 Cyl 4 Stroke 70 – 2017
• Yamaha 4 Cyl 4 Stroke 70 – 2018
• Yamaha 4 Cyl 4 Stroke 70 – 2019
• Yamaha 4 Cyl 4 Stroke 70 – 2020
• Yamaha 4 Cyl 4 Stroke 70 – 2021

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:

• Oil Filter Yamaha 15 - 70 Hp / 350 - 1100 06-25 OEM# 1WD-E3440-00-00 – 006-565
• Fuel Injector Yamaha 50 - 70 Hp 4-Stroke 05-18 OEM# 6C5-13761-00-00 – 610-305
• Water Pump Impeller Mariner / Yamaha 40 - 75 Hp OEM# 47-82824M – 700-420
• Water Pump Service Kit Yamaha 70 Hp 4-Stroke 11-22 OEM# 18-3494 – 725-420-03

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