My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Sierra 118-3501 Thermostat Diaphragm and Cup Assembly for Johnson/Evinrude Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

118-3501
5 reviews
Sale Price

$20.71

1 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 Sierra 118-3501 is a thermostat diaphragm and cup assembly designed for Johnson/Evinrude outboard motors. This essential fuel system component ensures proper fuel pump operation and reliable engine performance in marine environments.

Key Features:

  • Direct replacement for Johnson/Evinrude OEM part number 435957
  • Designed for 2-cylinder OMC applications
  • Manufactured to meet or exceed OEM specifications
  • Engineered for durability in harsh marine conditions
  • Quality construction for reliable, long-lasting performance

This assembly includes one complete thermostat diaphragm and cup unit ready for installation. Sierra marine parts are precision-engineered to deliver OEM-quality performance while providing excellent value for boat owners and marine technicians.

You have the part I need while other auto part stores didn't. Great!

Thank you

easy to order

good information

Fast delivery! Very satisfied.

Share icon
Return Policy
Returns are easy at Autoplicity

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