My Account
Shopping Cart

Champion 431 Copper Plus Spark Plug

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

431
05/31/2036 11:43 PM
Sale Price

$4.07

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 Champion 431 Copper Plus spark plug delivers reliable ignition performance for a wide range of small engines and automotive applications. Engineered with Champion's proven technology, this spark plug ensures optimal combustion efficiency and long-lasting durability.

Key Features:

  • Copper Core Center Electrode: Provides superior heat dissipation and precise control of heat range, optimizing performance and extending plug life
  • Patented SAC-9 Semi-Conductor Resistor: Delivers maximum suppression of electromagnetic interference (EMI) and radio frequency interference (RFI) to protect sensitive electronic systems
  • Patented Ultraseal Coated Shell: Advanced corrosion-resistant coating prevents rust and ensures reliable performance in harsh operating conditions
  • OEM-Quality Construction: Built to meet or exceed original equipment specifications for dependable ignition

The Champion 431 spark plug is designed for easy installation and provides consistent firing under various operating conditions. The copper core design allows for excellent thermal conductivity, helping to prevent pre-ignition and fouling while maintaining stable combustion temperatures.

Easy ordering

easy and cost efficient, will use you guys again in the future! Thanks!

Easy to use web site and great products delivered on time.

Easy order off site ,fast shipping time

Good

I ordered some hubcaps for my Chevy Aveo because one of my old ones broke. Standard shipping is a little high, but that is expected. It only took a few days for them to get to my house, so I was greatly satisfied with my purchase.

Part I ordered arrived as described. Fast shipping as well. Haven't installed it yet but so far so good !

Loved to see good reviews and excellent prices!!!!

got here on time and was the right part what can i say

your phone rep was courteous and knowledgeable; I've bought the part needed from you and will spread the word!

Best prices, fast shipping, good service. Thank you!

Great prices and shipped promptly.

Seller is fast, selection is great, website is well organized. Prices are some of the best online and very competitive. Order # 12377 for J. Park

BEST PRICE AROUND, HANDS DOWN. Shipping was fast and communication was impeccable. THANKS FOR THE PROFESSIONALISM.

best prices around by far for the exact same product! Would definetely recomend autoplicity to a friend

the product was the cheapest price i could find on the web and shipping was quick i got the part in two days from purchase

Wonderful experience with seller. Ordered on a Monday night and received on Thursday. Talking about service. Man these guys are awesome. I will be ordering more in the future with Autoplicity. Thanks 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