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Champion 431S RC14YC Copper Plus Spark Plug - Shop Pack of 24

Manufacturer

Champion

<h3>Champion: A Legacy of Engine Performance</h3><p>For decades, <strong>Champion</strong> has been one of the most trusted names in engine ignition and maintenance. Born from a commitment to precision engineering, Champion has earned its reputation by delivering reliable, time-tested replacement parts that keep engines running at their best — whether on the road, on the water, or in the backyard.</p><h3>World-Class Spark Plug Technology</h3><p>Champion's story is inseparable from the spark plug. The brand helped pioneer modern ignition technology, and today its spark plug lineup remains a go-to choice for automotive technicians and DIY mechanics alike. Champion <a href="/120-champion-spark-plug-7212">spark plugs</a> are engineered to deliver consistent ignition performance across a wide range of engine types, from daily-driver commuter cars to high-demand power sport machines. Whether you're tuning up a classic V8 or maintaining a small-displacement four-cylinder, Champion offers a plug designed to match your engine's specific requirements.</p><p>Beyond the plug itself, a reliable ignition system depends on every component working in harmony. Champion's <a href="/120-champion-spark-plugs-spark-plug-boot-kit-23507">spark plug boot kits</a> provide the complete solution — protecting ignition wires and ensuring a secure, interference-free connection between the plug and the ignition system. These kits are especially popular for vehicle owners who want a thorough tune-up rather than a partial fix.</p><h3>Marine and 2-Cycle Engine Solutions</h3><p>Champion's expertise doesn't stop at automotive ignition. The brand also serves boaters and marine enthusiasts with products formulated for the unique demands of water-based engines. Champion <a href="/120-champion-2-cycle-outboard-oil-200042">2-cycle outboard oil</a> is designed to protect outboard motors running in demanding marine conditions, helping to minimize wear, reduce deposits, and extend engine life. It's a natural extension of Champion's core philosophy: give every engine — regardless of application — the quality it deserves.</p><h3>Built for Every Engine, Every Application</h3><p>What sets Champion apart is the breadth of its coverage. From passenger vehicles to boats, lawn and garden equipment to power sport machines, Champion engineers products with real-world performance in mind. The brand's catalog of over 800 products means that regardless of what you drive, ride, or operate, there's a Champion part designed to keep it running at peak efficiency.</p><p>Whether you're doing a routine tune-up or a full ignition system overhaul, Champion's combination of heritage, innovation, and comprehensive coverage makes it a brand worth turning to first.</p>

Part Number

431S
06/01/2036 12:56 AM
Sale Price

$68.43

4 left at this price

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Champion 431S (RC14YC) Copper Plus spark plug shop pack delivers reliable performance for small engines in lawn mowers, garden equipment, and similar applications. This value pack contains 24 individual spark plugs, making it ideal for service shops, landscaping businesses, or homeowners maintaining multiple machines.

Key Features:

  • Copper core electrode provides increased conductivity and superior heat control
  • Resists fouling for consistent ignition in demanding conditions
  • Corrosion-resistant materials ensure long-lasting durability
  • OE-replacement quality for lawn, garden, and small engine equipment
  • 14mm thread diameter with 0.750-inch reach
  • Proven Champion reliability trusted by professionals and DIYers alike

The RC14YC spark plug features Champion's time-tested copper core design that delivers dependable starts and smooth operation. The copper electrode transfers heat faster than standard materials, preventing pre-ignition and extending plug life. Each plug meets OEM specifications for proper fit and performance in a wide range of small engine applications.

Delivered over 2 days so I am assuming it is not a match set of tires...that's my only concern!

Prompt delivery Product was as described

Fast delivery time.correct part that I ordered

Good price & relatively quick delivery

Good experience

Very good

Easy to find what i wanted and easy to pay unlike other site that are very difficult.

good site - some glitches when trying to select state but overall happy with the experience. Thanks guys!

I want to let you know that I am extremely satisfied with my recent purchase from Autoplicity. The website was so easy to navigate, I found exactly what I needed and above all I received the product in three days! <br><br>Absolutely AWESOME!!! <br>Without doubt, I will be a repeat customer!!!!!<br><br>THANK YOU!!1

Billing/shipping db is a little quirky.

Very good company! Shipped out product very fast!!! I can say i will use them again

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