My Account
Shopping Cart

Sierra 18-3679 Volvo Penta Replacement Thermostat

Manufacturer

Part Number

18-3679
Sale Price

$74.54

2 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3679 is a direct-fit replacement thermostat engineered for Volvo Penta marine engines. Designed to restore proper engine cooling system function, this thermostat ensures accurate temperature regulation to protect your engine from overheating and maintain optimal operating efficiency on the water.

Key Features:

  • Direct replacement for Volvo Penta OEM thermostat
  • Interchangeable with Volvo Penta part numbers 3584474 and 3840816
  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Engineered to perform in demanding marine environments
  • Precision temperature regulation for reliable engine protection

OEM Cross-Reference:

  • Volvo Penta: 3584474, 3840816

Sierra is a trusted name in marine engine parts, supplying OEM engine manufacturers and boat builders with quality components. The 18-3679 thermostat delivers the fit, form, and function you expect from a genuine OEM-quality replacement part.

thanks

Quick and easy

Smooth sailing

Service was excellent

High shipping cost

Good part, fast delivery

shipping was fast but the item that arrived has a bent on the lip part where the flange meet the cat.

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