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Sierra 18-7799 Marine Fuel Pump Diaphragm Kit for Yamaha Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

18-7799
18 reviews
Sale Price

$30.20

In Stock (8)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-7799 Fuel Pump Diaphragm Kit is a precision-engineered marine replacement kit designed for Yamaha outboard motors in the 115–300 HP range. Built to meet or exceed OEM specifications, this kit restores proper fuel pump function and helps keep your outboard running reliably on the water.

Kit Contents:

  • (1) Sierra 18-7842 Fuel Pump Diaphragm — replaces Yamaha OEM part 6E5-24471-00-00
  • (1) Sierra 18-7843 Fuel Pump Diaphragm — replaces Yamaha OEM part 6E5-24411-00-00

Key Features:

  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Engineered to perform in the harsh marine environment
  • Direct replacement for worn or damaged fuel pump diaphragms
  • Backed by Sierra's limited lifetime warranty
  • Sierra part number cross-references OEM Yamaha parts for easy verification

Sierra International is a trusted name in marine engine parts, and the 18-7799 diaphragm kit upholds that reputation by delivering OEM-quality performance at a competitive price. Replacing worn diaphragms at regular service intervals helps prevent fuel delivery issues and keeps your Yamaha outboard running at peak efficiency.

Great ! so far

I received my hard to find parts very quickly. thank you.

Great place, had to make return, part I ordered did not fit my vehicle

I called to find out about delivery time and they were responsive. The package got here quicker than I expected.

Fantastic! Will definitely do business in future!

Quick and great prices

Best price around. Great Communication. Fast shipping. What else can I ask for?<br>I have already purchased again from them.

Easy web searching and good quality parts for reasonable price..customer friendly too!!!!!!

Very easy and good price

I would love more pictures of actual product and on viechle

Easy checkout. Easily found the part.

ordered a hub rebulild kit and found Autoplicity to have the lowest price. Easy ordering and good communication re: when product shipped. Turnaround was satisfactory.

This was the best and cheapest place to order my boyfriends present. We plan on ordering from here again!

Extremely fast shipping. I received my parts less than 48 hours after ordering! I will definitely keep Autoplicity in my favorites!

Lowest prices

Good...so far.

Quick n easy

Fast shipping. Got it in time to go to the track. Great prices too.

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