My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Quicksilver 8M6010303 130°F Outboard Thermostat for Evinrude Johnson OMC V4 V6 2-Stroke 90-250HP

Manufacturer

Picture for manufacturer Quicksilver

Part Number

8M6010303
8 reviews
Sale Price

$18.65

3 left at this price

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 8M6010303 is a 130°F replacement outboard thermostat engineered for select Evinrude, Johnson, and OMC V4 and V6 2-stroke outboard engines ranging from 90 to 250 horsepower. Designed and validated to meet all OEM specifications, this thermostat delivers reliable engine temperature regulation to help protect your powerhead from overheating or running too cold.

Key Features:

  • Opens at 130°F — engineered to OEM temperature specification
  • Fits select Evinrude, Johnson, and OMC V4 and V6 2-stroke outboards, 90–250HP
  • Built to meet all original equipment manufacturer (OEM) performance standards
  • Thermostat only — hardware, gaskets, and seals sold separately

Cross-Reference Part Numbers:

  • Replaces OEM part number: 437090
  • Aftermarket cross-reference: Sierra 18-3545

Consult your engine's owner's manual or service manual to confirm fitment and for proper installation instructions before ordering.

Thx

Yes

Easy to shop and order

Nice website. Shipping very expensive.

Great price

Exactly what I needed, fair price and quick delivery.

Super Easy

No complaints. I've shopped for other things, but they weren't things that you sell. I'll shop Autoplicity again!

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy