OMC Johnson Evinrude NEW OEM Vernatherm Assy 394411 0394411 143° NOS 0810

Evinrude / Johnson / OMC Vernatherm Assembly — Part Number 394411
Brand: Evinrude / Johnson (OMC) | Condition: New Old Stock (NOS)

You are purchasing a genuine Evinrude / Johnson / OMC OEM Vernatherm Assembly, part number 394411 (also referenced as 0394411 / 778199 / 0778199). The Vernatherm is a thermostatic valve in the cooling system of Johnson/Evinrude outboard motors that regulates coolant flow to maintain optimal engine operating temperature, opening at 143°F to allow full coolant circulation once the engine warms up. This is an authentic factory original part — never installed, never used.

Condition Details: This is a New Old Stock (NOS) part. The assembly itself is in new, uninstalled condition. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear, dust, or minor cosmetic blemishes on the bag or box. The part is new and fully functional.

Specifications:

• Type: Vernatherm Assembly (Thermostatic Cooling Valve)
• Opening Temperature: 143°F

Part Number / Supersede Information:

• Primary OEM Part Number: 394411 / 0394411
• Also referenced as: 778199 / 0778199
• This part number may have been superseded by an updated OMC/BRP part number. We recommend verifying any current supersede numbers through your local dealer or an OMC/BRP parts reference prior to ordering.

Compatible Equipment (partial list — Johnson/Evinrude outboards):

• Johnson/Evinrude 9.9HP–15HP Big Bore — 1993–1995
• Johnson/Evinrude 10HP–225HP — select models 1985–1995 (including 60HP, 65HP, 70HP, 120HP, 125HP, 140HP, 185HP, 200HP, 225HP)
• Verify specific model and serial number fitment before ordering

Why Choose OEM Parts? OEM parts are engineered and manufactured to exact factory tolerances, ensuring a precise fit, reliable performance, and long service life. Unlike aftermarket alternatives, OEM parts are designed specifically for your equipment — no modifications, no guesswork.

Returns: We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within 30 days of purchase and we will take care of you promptly.

Thank you for choosing QBS Parts Inc! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience.

Please verify fitment using your engine's model and serial number before purchasing. Feel free to message us with any questions — we're here to help!

QBS Parts, Inc. — Gardena, CA