Yamaha Motors

Cylinder Head Gasket 6G5-11181-A3-00

Country of Origin:

Japan

Satisfaction rating

(32 Ratings)

Genuine OEM product

Product	Price	Rating	Comment
Yamaha Motors 6G5-11181-A3-00 Cylinder Head Gasket (viewing this product) Genuine OEM product	$50.39~~$62.99~~ In stock 5+ in stock	Best	Genuine Yamaha Japan-made head gasket with a graphite/composite body, integrated metal fire rings, and a precise sealing bead around coolant/oil passages. This is the factory-spec part intended to maintain correct clamp load and long-term sealing on the 3-cylinder bank.
Genuine Yamaha Japan-made head gasket with a graphite/composite body, integrated metal fire rings, and a precise sealing bead around coolant/oil passages. This is the factory-spec part intended to maintain correct clamp load and long-term sealing on the 3-cylinder bank.
EMP 27-00654 Gasket, Cylinder Head Aftermarket product	$35.69~~$41.99~~ 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.	Best	Japan-made EMP gasket matches the OEM design and construction, including the composite material, metal fire rings, and the same raised perimeter/port sealing bead. Tooling marks, bead path, and cutouts strongly suggest it is produced by the same sub-manufacturer as the Yamaha gasket.
Japan-made EMP gasket matches the OEM design and construction, including the composite material, metal fire rings, and the same raised perimeter/port sealing bead. Tooling marks, bead path, and cutouts strongly suggest it is produced by the same sub-manufacturer as the Yamaha gasket.
Peach Motors PM-6G5-11181-A3-00 Gasket, Cylinder Head Aftermarket product	$51.85 In stock 5+ in stock	Better	Peach Motors shows solid build features (cleanly formed fire rings and a continuous silicone bead) and should interchange correctly by shape and port layout. The woven/checkered composite texture and blue bead indicate different materials/process than OEM, so it’s a good-quality alternative but not an exact OEM match.
Peach Motors shows solid build features (cleanly formed fire rings and a continuous silicone bead) and should interchange correctly by shape and port layout. The woven/checkered composite texture and blue bead indicate different materials/process than OEM, so it’s a good-quality alternative but not an exact OEM match.
Recmar REC6G5-11181-A2 CYLINDERHEAD GASKET (REC6G5-11181-A2) Aftermarket product	$33.07~~$36.74~~ In stock 5+ in stock	Good	Recmar is an accurate physical copy with matching port/bolt layout, three metal fire rings, and a perimeter sealing bead. As a China-made gasket from a different supply chain than OEM, material consistency and long-term sealing performance are less certain for head-gasket duty.
Recmar is an accurate physical copy with matching port/bolt layout, three metal fire rings, and a perimeter sealing bead. As a China-made gasket from a different supply chain than OEM, material consistency and long-term sealing performance are less certain for head-gasket duty.
Sierra Marine 18-3894 HEAD GASKET YAMAHA Aftermarket product	$59.47 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.
Red Rhino YA-G511 YAMAHA HEAD GASKET V6 90 DEGREE OEM #6G5-1118-00-A0 Aftermarket product	$38.64 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.
GLM Marine 36400 Head Gasket Aftermarket product	$38.30~~$47.88~~ 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.

$50.39~~$62.99~~

You save 20%($12.60)

-20%

In stock

5+ in stock

Qty

Guaranteed fitment for 15 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 6G5-11181-A3-00 Cylinder Head Gasket (viewing this product) Genuine OEM product	$52.45~~$61.70~~ In stock 5+ in stock	Best	Genuine Yamaha Japan-made head gasket with a graphite/composite body, integrated metal fire rings, and a precise sealing bead around coolant/oil passages. This is the factory-spec part intended to maintain correct clamp load and long-term sealing on the 3-cylinder bank.
Genuine Yamaha Japan-made head gasket with a graphite/composite body, integrated metal fire rings, and a precise sealing bead around coolant/oil passages. This is the factory-spec part intended to maintain correct clamp load and long-term sealing on the 3-cylinder bank.
EMP 27-00654 Gasket, Cylinder Head Aftermarket product	$35.69~~$41.99~~ 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.	Best	Japan-made EMP gasket matches the OEM design and construction, including the composite material, metal fire rings, and the same raised perimeter/port sealing bead. Tooling marks, bead path, and cutouts strongly suggest it is produced by the same sub-manufacturer as the Yamaha gasket.
Japan-made EMP gasket matches the OEM design and construction, including the composite material, metal fire rings, and the same raised perimeter/port sealing bead. Tooling marks, bead path, and cutouts strongly suggest it is produced by the same sub-manufacturer as the Yamaha gasket.
Peach Motors PM-6G5-11181-A3-00 Gasket, Cylinder Head Aftermarket product	$51.85 In stock 5+ in stock	Better	Peach Motors shows solid build features (cleanly formed fire rings and a continuous silicone bead) and should interchange correctly by shape and port layout. The woven/checkered composite texture and blue bead indicate different materials/process than OEM, so it’s a good-quality alternative but not an exact OEM match.
Peach Motors shows solid build features (cleanly formed fire rings and a continuous silicone bead) and should interchange correctly by shape and port layout. The woven/checkered composite texture and blue bead indicate different materials/process than OEM, so it’s a good-quality alternative but not an exact OEM match.
Recmar REC6G5-11181-A2 CYLINDERHEAD GASKET (REC6G5-11181-A2) Aftermarket product	$33.07~~$36.74~~ In stock 5+ in stock	Good	Recmar is an accurate physical copy with matching port/bolt layout, three metal fire rings, and a perimeter sealing bead. As a China-made gasket from a different supply chain than OEM, material consistency and long-term sealing performance are less certain for head-gasket duty.
Recmar is an accurate physical copy with matching port/bolt layout, three metal fire rings, and a perimeter sealing bead. As a China-made gasket from a different supply chain than OEM, material consistency and long-term sealing performance are less certain for head-gasket duty.
Sierra Marine 18-3894 HEAD GASKET YAMAHA Aftermarket product	$57.39 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.
Red Rhino YA-G511 YAMAHA HEAD GASKET V6 90 DEGREE OEM #6G5-1118-00-A0 Aftermarket product	$38.64 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.
GLM Marine 36400 Head Gasket Aftermarket product	$38.30~~$47.88~~ 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.

Product Description

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

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32 Product Reviews

Fast shipping with great customer service!!

Shawn Parkton — Jul 27, 2026

Great company to do business with.

Weston Tipton — Feb 5, 2026

Dennis Francis Dess Jr — Jun 25, 2025

Great no problem actually arrived 1 day sooner than expected.

David Lorio — Aug 27, 2024

Parts Fitment

Please verify fitment before ordering.

Brand	Product Line	Model
Yamaha Motors	International	ET
Yamaha Motors	International	ETD
Yamaha Motors	International	VMAX
Yamaha Motors	International	8
Yamaha Motors	International	9.9
Yamaha Motors	International	150
Yamaha Motors	International	175
Yamaha Motors	International	200
Yamaha Motors	International	220
Yamaha Motors	International	225
Yamaha Motors	Outboard	6
Yamaha Motors	Outboard	150
Yamaha Motors	Outboard	175
Yamaha Motors	Outboard	200
Yamaha Motors	Outboard	225

Supersession Chain

Name	SKU	Superseding SKU
Cylinder Head GasketViewing this product	6G5-11181-A3-00	Current
.GASKET, CYLINDER HEAD 1	6G5-11181-A2-00	6G5-11181-A3-00
Cylinder Head Gasket	6G5-11181-A1-00	6G5-11181-A2-00
Cylinder Head Gasket	6G5-11181-A0-00	6G5-11181-A1-00
Cylinder Head Gasket	6G5-11181-01-00	6G5-11181-A0-00
6G5-11181-01-00	6G5-11181-00-00	6G5-11181-01-00

Aftermarket Interchange

Name	SKU	Price	Brand
Gasket, Cylinder Head	27-00654	$35.69	EMP
CYLINDERHEAD GASKET (REC6G5-11181-A2)	REC6G5-11181-A2	$33.07	Recmar
Gasket, Cylinder Head	PM-6G5-11181-A3-00	$51.85	Peach Motors
YAMAHA HEAD GASKET V6 90 DEGREE OEM #6G5-1118-00-A0	YA-G511	$38.64	Red Rhino
HEAD GASKET YAMAHA	18-3894	$57.39	Sierra Marine