Thermostat Assembly For Yamaha Outboard 20-250 HP 122℉/50℃ 688-12411-00
Thermostat Assembly For Yamaha Outboard 20-250 HP 122℉/50℃ 688-12411-00
122℉/50℃ Thermostat Assembly For Yamaha Outboard 20-250 HP 688-12411-00
Application
This guide is to be used as a reference only. You must verify fitment using your model or serial number.
Kits Contains
- Thermostat: *1
- Ring Rubber: *2
- Gasket: 6H3-12414*1
- Gasket: 688-12414*1
- Gasket: 61A-12414*1
OEM
YAMAHA
- 688-12411-00-00
- 688-12411-01-00
- 688-12411-10-00
- 688-12411-11-00
- 6E5-12411-10-00
- 6E5-12411-20-00
- 6E5-12411-30-00
- 6E5-12411-00-00
- 6E5-12411-01-00
- 6E5-12411-02-00
PARSUN
- T15-04000010
Mallory
- 9-43035
- 9-43177 (1* Gasket 1* Thermostat)
Sierra
- 18-3540 (1* Thermostat)
- 18-3608 (1* Gasket 1* Thermostat)
- 18-3623 (1* Thermostat)
Fitment
Fits the Following Yamaha Outboard Motors:
- 20HP 1996-1997
- 25HP 1988-2009
- 30HP 1987-2004
- 40HP 1984-2006
- 50HP 1984-2009
- 75HP 1994-2000
- 80HP 1997-1997
- 85HP 1989-1996
- 90HP 1984-2009
- 115HP 1986-2009
- 130HP 1988-2004
- 150HP 1984-2014
- 175HP 1984-2012
- 200HP 1984-2012
- 220HP 1984-1986
- 225HP 1987-2004
- 250HP 1990-2004
Fits the Following Parsun Outboard Motors:
- F15A
- F20A
- F15 EFI
- F20 EFI
Note
To find the right part for your outboard, it is VERY IMPORTANT to verify outboard model or serial number before purchase. You can leave us a message e.g. your outboard engine parts model, serial number, horsepower or year if you are not confirmed this part fits your outboard motor or not. We're pleasure to help you.
Before You Buy
Please verify your engine model and serial number before purchase. Contact us for fitment confirmation. Free worldwide shipping from XRmarine.
Verfügbarkeit für Abholungen konnte nicht geladen werden

Boat Owners' Review
Before You Buy
Frequently Asked Questions
What is your refund policy?
We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.
See our full Refund Policy for complete details.
How does shipping work?
Free international shipping on every order — no minimums. We ship from our global warehouse network (US, Germany, UK, Australia). Typical delivery: 10-20 business days. Tracking included.
See our full Shipping Policy.
How do you keep prices fair?
We cut out the middlemen. XRmarine sources directly from quality manufacturers and sells at honest prices. Same OEM-quality parts, no dealership markup. Every order comes with free shipping, real expert support, and a 1-year warranty.
Learn more on our About Us page.
What payment methods do you accept?
We currently accept PayPal — a fast, secure way to pay online. Credit card payments (Visa, Mastercard, American Express) and Shopify Payments are being set up and will be available soon. We appreciate your patience.