My Account
Shopping Cart

Quicksilver 42909A4 Carburetor Fuel Pump Diaphragm Rebuild Kit - 15-Piece OEM

Manufacturer

Quicksilver

<h3>About Quicksilver</h3><p><strong>Quicksilver</strong> has been a cornerstone of the marine industry since 1950, delivering the parts, accessories, and engine care products that keep boats running at their best. A division of Brunswick Corporation and closely aligned with Mercury Marine, Quicksilver has grown into one of the most trusted names on the water — offering more than 40,000 parts across a broad range of product lines designed for both the weekend boater and the seasoned marine professional.</p><p>What sets Quicksilver apart is its unique position as the premier supplier of Mercury Marine Original Equipment replacement parts, while simultaneously serving owners of nearly every major marine engine brand. Whether your vessel is powered by Mercury, Mariner, Honda, Yamaha, Evinrude/Johnson, or Suzuki, Quicksilver produces components engineered to fit and perform like the originals. This cross-brand compatibility, combined with factory-level quality standards, is why boaters worldwide have made Quicksilver their go-to source for maintenance and repair.</p><p>The Quicksilver catalog spans the full spectrum of marine maintenance needs. At its core are <a href="/7456-quicksilver-fuel-pump-6244">fuel pumps</a> and complete fuel pump and carburetor kit solutions that keep fuel delivery systems operating reliably under demanding on-water conditions. For those needing a broader fuel system overhaul, Quicksilver&apos;s lineup of <a href="/7456-quicksilver-fuel-pumps-201310">fuel pumps</a> covers outboard and sterndrive applications alike. Above the waterline, few components are as performance-critical as the prop, and Quicksilver&apos;s extensive range of <a href="/200673-propellers-quicksilver-7456">propellers</a> — from aluminum to stainless steel — gives boaters the ability to tune their vessel&apos;s performance to their exact needs. Rounding out the drivetrain, Quicksilver also offers precision-engineered <a href="/7456-quicksilver-drives-gearcases-transoms-200346">drives, gearcases, and transom components</a> that are essential for maintaining the mechanical heart of sterndrive and inboard systems.</p><p>Quicksilver products undergo rigorous testing and engineering validation — the result of decades of R&amp;D conducted alongside Mercury Marine&apos;s own engineering teams. The brand&apos;s commitment to quality means that each part meets or exceeds OEM specifications, giving do-it-yourself boaters and marine technicians alike the confidence that a Quicksilver repair will hold up season after season. From freshwater lakes to demanding saltwater environments, Quicksilver is built for wherever your adventures take you.</p>

Part Number

42909A 4
09/16/2036 11:06 AM
Sale Price

$14.97

2 left at this price

delivery box

Usually delivered within 2 days

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 42909A4 Carburetor Diaphragm Kit is a comprehensive 15-piece OEM rebuild kit designed to restore proper carburetor and fuel pump function on select 75 HP through 115 HP Mercury and Mariner 2-cycle outboard motors. Manufactured to Mercury Marine's original equipment specifications, this kit delivers the same fit, form, and function as the components originally installed at the factory.

Kit Includes:

  • Fuel pump diaphragms
  • Gaskets
  • Check valves
  • Spring
  • Cap
  • Screws

OEM Quality You Can Trust:

  • Produced to Mercury Marine OEM specifications for maximum performance and reliability
  • Engineered and tested to withstand the demands of marine environments
  • Supersedes previous part number 42909A3
  • Backed by Mercury Marine's 1-year factory warranty against defects in materials and workmanship

Quicksilver is Mercury Marine's premier brand for original equipment replacement parts, trusted by marine technicians and boat owners for over 65 years. When it comes to carburetor diaphragm repair kits, choosing a genuine OEM Quicksilver part ensures proper sealing, correct fuel delivery, and long-term durability — helping you avoid the repeat repairs common with aftermarket alternatives.

easy to order and quick. 4 stars vs 5: only need to cross reference the Motorcraft Part number to the vehicle part number which I used to search

Fast and easy

Site navigation and checkout was easy and the item arrived quickly at my door. I would definitely do business with Autoplicity again.

fast shipping awesome cant wait for my product not my 1st purchase always good service<br>

Excellent!!!

Thank you for having goodmark products. Easy to use web page. I like the price and the fact you use paypal. Thank you.

Web site is very easy to follow or use. I'm thinking of finding other parts here. The battery has been delivered so quickly. It'd be better to see the order status changed from processing to shipping (or something) to know that it actually was shipped. Bu

Great price. Easy transaction.

First order with autoplicity. I was hesitant at first, but saw good ratings and ordered my item. Great checkout and fast shipping.

absolutely astonished at how profesional fast and great of an experience it was with autoplicity they will now be the goto for anything for my car. I got the AEM V2 boy oh boy forget what anyone says about cai not doing anything this thing has been phenominal since I got it!! Happy!!!!!

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