Yamaha Motors

Obsolete Yamaha Part 679-W0078-A1-00

Country of Origin:

Japan

Satisfaction rating

(14 Ratings)

Genuine OEM product

Product	Price	Rating	Comment
Yamaha Motors 679-W0078-A1-00 Obsolete Yamaha Part (viewing this product) Genuine OEM product	$40.76~~$50.95~~ In stock 5+ in stock	Best	Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
EMP 46-13184 Water Pump Service Kit Aftermarket product	$32.55~~$38.29~~ In stock Only 2 remaining	Better	EMP has a default Better rating based on overall brand quality. Some products may have a Best rating however we don't yet have sufficient data to provide an exact rating for this particular product.
EMP has a default Better rating based on overall brand quality. Some products may have a Best rating however we don't yet have sufficient data to provide an exact rating for this particular product.
Sierra Marine 18-3397 WATER PUMP KIT YAMAHA Aftermarket product	$38.95 No longer availableSearch Nationwide Inventory	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
Recmar REC679-W0078-A1 WATER PUMP REPAIR KIT (REC679-W0078-A1) Aftermarket product	$27.36~~$30.40~~ In stock Only 2 remaining	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
GLM Marine 12302 Water Pump Service Kit (12302) Aftermarket product	$34.80~~$43.50~~ In stock Only 2 remaining	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
Peach Motors PM-WPMP-0039A Water Pump Repair Kit Aftermarket product	$42.65 In stock Only 3 remaining	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.

$40.76~~$50.95~~

You save 20%($10.19)

-20%

In stock

5+ in stock

Qty

Guaranteed fitment for 3 different models

This is an OEM part manufactured by Yamaha Motors

30 day return policy

PartX Alternatives — This part: Best

Ratings provided by PartX™

Product	Price	Rating	Comment
Yamaha Motors 679-W0078-A1-00 Obsolete Yamaha Part (viewing this product) Genuine OEM product	$41.52~~$48.85~~ In stock 5+ in stock	Best	Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
Factory OEM parts will always have a BEST rating unless there is substantial data to prove otherwise.
EMP 46-13184 Water Pump Service Kit Aftermarket product	$32.55~~$38.29~~ In stock Only 2 remaining	Better	EMP has a default Better rating based on overall brand quality. Some products may have a Best rating however we don't yet have sufficient data to provide an exact rating for this particular product.
EMP has a default Better rating based on overall brand quality. Some products may have a Best rating however we don't yet have sufficient data to provide an exact rating for this particular product.
Sierra Marine 18-3397 WATER PUMP KIT YAMAHA Aftermarket product	$38.95 No longer availableSearch Nationwide Inventory	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
Recmar REC679-W0078-A1 WATER PUMP REPAIR KIT (REC679-W0078-A1) Aftermarket product	$27.36~~$30.40~~ In stock Only 2 remaining	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
GLM Marine 12302 Water Pump Service Kit (12302) Aftermarket product	$34.80~~$43.50~~ In stock Only 2 remaining	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
Peach Motors PM-WPMP-0039A Water Pump Repair Kit Aftermarket product	$42.65 In stock Only 3 remaining	Unknown	We are working hard to determine a rating based on all available information, including product and manufacturing specifications.
We are working hard to determine a rating based on all available information, including product and manufacturing specifications.

Product Description

Yamaha factory part. Search for more factory parts & parts diagrams.

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Product Questions ¹

Hello, I have a 40hp outboard Mariner model 40ELTO, code 6E9 L, serial 501218. I need a water pump repair kit and my research has led me to believe I need part number 679-W0078-A1-00. Can someone that knows more about this engine than myself please confirm? Thank you!

These should be your engine diagrams, https://www.crowleymarine.com/mariner/oem-parts/outboard/serial-range/6e9-400231-thru-6e9-423162-el/gearhousing-assembly

14 Product Reviews

Great

Ray L Henderson — Jun 30, 2026

Engine: Yamaha 40 Shopping experience: Great. Repair difficulty: Medium Repair time: 1 to 2 hours Repair symptoms: Water pump Remove lower unit, drain, rinse, refill. Replace water pump components. Prime, paint, re-install.

Marlin Mangels — Nov 8, 2023

Repair difficulty: Easy Repair time: Less than 30 mins

MIKE KROTZ — Jul 10, 2023

Shopping experience: Fast shipping. Correct OEM Yamaha part. Thank you. Repair difficulty: Easy Repair time: Less than 30 mins

Troy Robinson — Jul 5, 2023

Parts Fitment

Please verify fitment before ordering.

Supersession Chain

Name	SKU	Superseding SKU
Obsolete Yamaha PartViewing this product	679-W0078-A1-00	Current
679-W0078-A1-00	679-W0078-A0-00	679-W0078-A1-00
WATER PUMP REPAIR KIT	679-W0078-01-00	679-W0078-A1-00

Aftermarket Interchange

Name	SKU	Price	Brand
Water Pump Repair Kit	PM-WPMP-0039A	$42.65	Peach Motors
Water Pump Service Kit	46-13184	$32.55	EMP
WATER PUMP REPAIR KIT (REC679-W0078-A1)	REC679-W0078-A1	$27.36	Recmar
Water Pump Service Kit (12302)	12302	$34.80	GLM Marine
WATER PUMP KIT YAMAHA	18-3397	$38.95	Sierra Marine

Brand	Product Line	Model
Yamaha Motors	International	ERQ
Yamaha Motors	International	40
Yamaha Motors	Outboard	40