FALL CLEARANCE: 10-50% discount on all OEM parts!

Unless prohibited by manufacturer. Does not include aftermarket products. Priced as marked.

Trusted Since 2005★★★★★ 4.7/5 Stars
My Account
& Order Status
Contact Us

PartsPak.com orders will be processed and fulfilled by Crowley Outdoors. For support please call (800) 580-0720.

Valve Stem Seal
Yamaha Motors

Valve Stem Seal 51Y-12119-00-00

Country of Origin:
Japan
Satisfaction rating
(14 Ratings)
Genuine OEM product
PartX Rating: Best
$6.39$7.99
You save 20%($1.60)
-20%
In stock
5+ in stock
Yamaha Motors logo
PartX Alternatives — This part: Best
Ratings provided by PartX™
ProductPriceRatingComment
Yamaha Motors 51Y-12119-00-00
Valve Stem Seal
(viewing this product)
Genuine OEM product
$6.37$7.49
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.
Recmar PAF25-05050005
SPRING,VALVE (PAF25-05050005)
Aftermarket product
$4.99$5.54
Cross Ship
Leaves in 3-5 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.
Recmar PAF166-010003
SEAL VALVE STEM (PAF166-010003)
Aftermarket product
$5.99$6.66
Cross Ship
Leaves in 3-5 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 166F-010003
OIL SEAL
Aftermarket product
$1.65
Cross Ship
Leaves in 3-5 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.

Product Description

Yamaha factory part. Search for more factory parts & parts diagrams.
Our verified social media accounts

Beware of impersonators

Product Questions 0

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

14 Product Reviews

LOUIS VINCENT — Mar 11, 2025

Great, easiest website to find what you’re exactly looking for.

Tom Reynolds — Aug 16, 2024

Engine: Yamaha 8 HP Shopping experience: Excellent thank you Repair difficulty: Medium Repair time: 2 to 4 hours Repair symptoms: Seawater in oil

Ian Watson — May 22, 2023

Engine: yamaha 115 Shopping experience: excellent Repair difficulty: Medium Repair time: More than 4 hours Repair symptoms: had a low compression cylinder (bad valve) R/R head and replaced intake valve, reinstalled all components

DAVID GROSS — Oct 7, 2022

Parts Fitment

Please verify fitment before ordering.

BrandProduct LineModel197619851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019
Yamaha MotorsCruiserVMX12
Yamaha MotorsCruiserVMX1200
Yamaha MotorsDirt BikeTT250
Yamaha MotorsDirt BikeTT350
Yamaha MotorsDirt BikeWR450
Yamaha MotorsDirt BikeXT1200
Yamaha MotorsDirt BikeXT250
Yamaha MotorsDirt BikeXT350
Yamaha MotorsDirt BikeXTZ750
Yamaha MotorsDirt BikeYZ450
Yamaha MotorsGenerator20
Yamaha MotorsGenerator30
Yamaha MotorsGenerator40
Yamaha MotorsGenerator240
Yamaha MotorsGenerator1600
Yamaha MotorsGenerator2400
Yamaha MotorsGenerator2600
Yamaha MotorsGenerator2800
Yamaha MotorsGenerator3000
Yamaha MotorsInternationalVMAX
Yamaha MotorsInternationalVMAX SHO
Yamaha MotorsInternationalWH
Yamaha MotorsInternational2
Yamaha MotorsInternational2.5
Yamaha MotorsInternational4
Yamaha MotorsInternational5
Yamaha MotorsInternational6
Yamaha MotorsInternational8
Yamaha MotorsInternational9.9
Yamaha MotorsInternational13.5
Yamaha MotorsInternational15
Yamaha MotorsInternational20
Yamaha MotorsInternational25
Yamaha MotorsInternational30
Yamaha MotorsInternational40
Yamaha MotorsInternational45
Yamaha MotorsInternational50
Yamaha MotorsInternational60
Yamaha MotorsInternational70
Yamaha MotorsInternational75
Yamaha MotorsInternational80
Yamaha MotorsInternational90
Yamaha MotorsInternational100
Yamaha MotorsInternational115
Yamaha MotorsInternational125
Yamaha MotorsInternational130
Yamaha MotorsInternational150
Yamaha MotorsInternational165
Yamaha MotorsInternational175
Yamaha MotorsInternational185
Yamaha MotorsInternational200
Yamaha MotorsInternational225
Yamaha MotorsInternational250
Yamaha MotorsInternational275
Yamaha MotorsInternational300
Yamaha MotorsInternational350
Yamaha MotorsOutboard2
Yamaha MotorsOutboard4
Yamaha MotorsOutboard6
Yamaha MotorsOutboard8
Yamaha MotorsOutboard9.9
Yamaha MotorsOutboard15
Yamaha MotorsOutboard20
Yamaha MotorsOutboard25
Yamaha MotorsOutboard30
Yamaha MotorsOutboard40
Yamaha MotorsOutboard50
Yamaha MotorsOutboard60
Yamaha MotorsOutboard70
Yamaha MotorsOutboard115
Yamaha MotorsOutboard150
Yamaha MotorsOutboard175
Yamaha MotorsOutboard200
Yamaha MotorsOutboard225
Yamaha MotorsOutboard250
Yamaha MotorsOutboard300
Yamaha MotorsOutboard350
Yamaha MotorsSport BikeFJ1200
Yamaha MotorsSport BoatRM1800
Yamaha MotorsSport BoatRP1800
Yamaha MotorsSport BoatRX1800
Yamaha MotorsSport BoatSXT1800
Yamaha MotorsSport BoatXAT1800
Yamaha MotorsSport BoatXBT1800
Yamaha MotorsStreet BikeTDM850
Yamaha MotorsStreet BikeTDM900
Yamaha MotorsStreet BikeTRX850
Yamaha MotorsStreet BikeXJR1200
Yamaha MotorsStreet BikeXJR1300
Yamaha MotorsStreet BikeXS500
Yamaha MotorsWaveRunnerFA1800
Yamaha MotorsWaveRunnerFB1800
Yamaha MotorsWaveRunnerFC1800
Yamaha MotorsWaveRunnerFX1800
Yamaha MotorsWaveRunnerFY1100
Yamaha MotorsWaveRunnerFY1800
Yamaha MotorsWaveRunnerGP1800
Yamaha MotorsWaveRunnerGX1800
Yamaha MotorsWaveRunnerSAT1800
Yamaha MotorsWaveRunnerSH1800
Yamaha MotorsWaveRunnerVC1800
Yamaha MotorsWaveRunnerVX1800

Supersession Chain

NameSKUSuperseding SKU
Valve Stem SealViewing this product51Y-12119-00-00Current
Exhaust Seal6EE-E2119-00-0051Y-12119-00-00
51Y-12119-00-0030X-12119-00-0051Y-12119-00-00
30X-12119-00-00371-12119-01-0030X-12119-00-00

Aftermarket Interchange

NameSKUPriceBrand
OIL SEAL166F-010003$1.65Parsun
SPRING,VALVE (PAF25-05050005)PAF25-05050005$4.99Recmar
SEAL VALVE STEM (PAF166-010003)PAF166-010003$5.99Recmar