Yamaha Motors

DAMPER, WATER SEAL 2 663-44366-01-00

Country of Origin:

Japan

Satisfaction rating

(25 Ratings)

Genuine OEM product

Product	Price	Rating	Comment
Yamaha Motors 663-44366-01-00 DAMPER, WATER SEAL 2 (viewing this product) Genuine OEM product	$5.19~~$6.49~~ 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 26-02010 Grommet Aftermarket product	$4.58~~$5.39~~ In stock 5+ in stock	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.
Recmar REC663-44366-00 DAMPER, WATER SEAL (REC663-44366-00) Aftermarket product	$0.33~~$0.37~~ In stock 5+ in stock	Good	Visually and by feel it closely matches the OEM profile, suggesting it should fit and function as a direct replacement. However, as an unmarked China-made rubber sealing part, the long-term durability (hardening, swelling, and heat/chemical resistance) is less certain than the OEM.
Visually and by feel it closely matches the OEM profile, suggesting it should fit and function as a direct replacement. However, as an unmarked China-made rubber sealing part, the long-term durability (hardening, swelling, and heat/chemical resistance) is less certain than the OEM.
GLM Marine 12875 Damper,Water Seal (12875) Aftermarket product	$9.52~~$11.90~~ 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.
Parsun T40-04000203A SEAL, WATER TUBE Aftermarket product	$1.32 Cross Ship Leaves in 3-5 days Please update to verify the current stock status. Product availability has not been checked in more than 7 days.	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.
Parsun T36-03000303 BUSH, WATER TUBE Aftermarket product	$1.32 Cross Ship Leaves in 3-5 days Please update to verify the current stock status. Product availability has not been checked in more than 7 days.	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.
Parsun T85-04000404 SEAL, WATER TUBE Aftermarket product	$0.99 Cross Ship Leaves in 3-5 days Please update to verify the current stock status. Product availability has not been checked in more than 7 days.	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-663-44366-00-00 Damper, Water Seal Aftermarket product	$11.70 In stock 5+ in stock	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.

$5.19~~$6.49~~

You save 20%($1.30)

-20%

In stock

5+ in stock

Qty

Guaranteed fitment for 42 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 663-44366-01-00 DAMPER, WATER SEAL 2 (viewing this product) Genuine OEM product	$5.35~~$6.30~~ 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 26-02010 Grommet Aftermarket product	$4.58~~$5.39~~ In stock 5+ in stock	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.
Recmar REC663-44366-00 DAMPER, WATER SEAL (REC663-44366-00) Aftermarket product	$0.33~~$0.37~~ In stock 5+ in stock	Good	Visually and by feel it closely matches the OEM profile, suggesting it should fit and function as a direct replacement. However, as an unmarked China-made rubber sealing part, the long-term durability (hardening, swelling, and heat/chemical resistance) is less certain than the OEM.
Visually and by feel it closely matches the OEM profile, suggesting it should fit and function as a direct replacement. However, as an unmarked China-made rubber sealing part, the long-term durability (hardening, swelling, and heat/chemical resistance) is less certain than the OEM.
GLM Marine 12875 Damper,Water Seal (12875) Aftermarket product	$9.52~~$11.90~~ 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.
Parsun T40-04000203A SEAL, WATER TUBE Aftermarket product	$1.32 Cross Ship Leaves in 3-5 days Please update to verify the current stock status. Product availability has not been checked in more than 7 days.	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.
Parsun T36-03000303 BUSH, WATER TUBE Aftermarket product	$1.32 Cross Ship Leaves in 3-5 days Please update to verify the current stock status. Product availability has not been checked in more than 7 days.	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.
Parsun T85-04000404 SEAL, WATER TUBE Aftermarket product	$0.99 Cross Ship Leaves in 3-5 days Please update to verify the current stock status. Product availability has not been checked in more than 7 days.	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-663-44366-00-00 Damper, Water Seal Aftermarket product	$11.70 In stock 5+ in stock	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.

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Product Questions ⁰

Don't hesitate to ask a question. It will be answered by our support staff or a fellow boater.

25 Product Reviews

Great, fast service

Buford Perry — Sep 4, 2026

Excellent , got all the parts I needed , quickly

Michael Lysohirka — Aug 5, 2026

Excelent

Bruce Lundell — Jul 16, 2026

Great place for all yamaha parts fast shipping at a great price!!

Chris farrar — Apr 28, 2026

Parts Fitment

Please verify fitment before ordering.

Brand	Product Line	Model
Evinrude	Outboard	9.8
Yamaha Motors	International	EHP
Yamaha Motors	International	ERQ
Yamaha Motors	International	VMAX
Yamaha Motors	International	25
Yamaha Motors	International	30
Yamaha Motors	International	40
Yamaha Motors	International	45
Yamaha Motors	International	48
Yamaha Motors	International	50
Yamaha Motors	International	55
Yamaha Motors	International	60
Yamaha Motors	International	70
Yamaha Motors	International	75
Yamaha Motors	International	80
Yamaha Motors	International	85
Yamaha Motors	International	90
Yamaha Motors	International	100
Yamaha Motors	International	200
Yamaha Motors	International	225
Yamaha Motors	International	240
Yamaha Motors	International	250
Yamaha Motors	International	300
Yamaha Motors	Jet Drive	40
Yamaha Motors	Jet Drive	60
Yamaha Motors	Outboard	25
Yamaha Motors	Outboard	30
Yamaha Motors	Outboard	40
Yamaha Motors	Outboard	48
Yamaha Motors	Outboard	50
Yamaha Motors	Outboard	55
Yamaha Motors	Outboard	60
Yamaha Motors	Outboard	70
Yamaha Motors	Outboard	75
Yamaha Motors	Outboard	80
Yamaha Motors	Outboard	85
Yamaha Motors	Outboard	90
Yamaha Motors	Outboard	100
Yamaha Motors	Outboard	200
Yamaha Motors	Outboard	225
Yamaha Motors	Outboard	250
Yamaha Motors	Outboard	300

Supersession Chain

Name	SKU	Superseding SKU
DAMPER, WATER SEAL 2Viewing this product	663-44366-01-00	Current
Water Seal Damper	663-44366-00-00	663-44366-01-00

Aftermarket Interchange

Name	SKU	Price	Brand
Grommet	26-02010	$4.58	EMP
BUSH, WATER TUBE	T36-03000303	$1.32	Parsun
SEAL, WATER TUBE	T40-04000203A	$1.32	Parsun
SEAL, WATER TUBE	T85-04000404	$0.99	Parsun
Damper,Water Seal (12875)	12875	$9.52	GLM Marine
Damper, Water Seal	PM-663-44366-00-00	$11.70	Peach Motors
DAMPER, WATER SEAL (REC663-44366-00)	REC663-44366-00	$0.33	Recmar