My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-7838 Fuel Pump Diaphragm for Mercury Mariner Yamaha Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

118-7838
7 reviews
Sale Price

$8.53

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 Sierra 18-7838 Fuel Pump Diaphragm is built with precision for reliable marine engine performance. This replacement diaphragm is designed for Mercury and Mariner outboard engines, ensuring proper fuel pump operation and consistent fuel delivery.

Key Features:

  • Direct replacement for Mercury Marine OEM part number 84265M
  • Also compatible with Yamaha 677-24471-01-00 and GLM 40130
  • Meets or exceeds original equipment specifications
  • Precision-engineered for proper fit and function
  • Essential component for fuel pump rebuild and maintenance

This diaphragm is a critical wear component in marine fuel pumps that should be replaced during routine maintenance or when fuel delivery issues occur. Sierra Marine products are trusted by boaters and marine technicians for their quality and reliability in demanding saltwater and freshwater environments.

Well Im happy to have gotten a realy low price I've been wanting this model for a whyle thank you .

All good

I haven’t received the product. I just ordered it. I’ll know how to rate you once the transaction is completed

Good price on good tires

Good price and easy check out

I didn't like how the shipping estimate was half of actual cost.

Everything was fine, received order promptly, Ordered a 3' bracket but needed 2' bracket, my bad. I will try to make a 1' spacer and make it work. Thanks for your get service, if I ever need anything else I would check your site 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