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Champion 843 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

843
06/01/2036 12:50 AM
Sale Price

$3.80

4 left at this price

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Usually delivered within 2 days

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Product Details

The Champion 843 Copper Plus spark plug delivers reliable ignition performance for a wide range of small engines and outdoor power equipment. Engineered with a copper core center electrode, this spark plug provides accurate heat range control to optimize engine performance and extend service life.

Key Features:

  • Copper core center electrode for precise heat dissipation and thermal control
  • Patented SAC-9 semi-conductor resistor provides maximum EMI and RFI suppression to protect electronic components
  • Patented Ultraseal coated shell prevents rust and corrosion for long-lasting durability
  • Optimized electrode design ensures consistent spark and reliable starts
  • Designed for use in lawn mowers, chainsaws, trimmers, and other small engines

Champion spark plugs are trusted by professionals and homeowners alike for their quality construction and dependable performance. The 843 spark plug combines proven technology with durable materials to keep your equipment running smoothly season after season.

Ok

Very good I didn't have any problems

Easy-fast and convenient... Good prices. Tony

Best price, and shipped fast.

Autoplicity is one of my go-to parts providers. Prices and availability on the quality, name brand products I demand is generally among one of the best.

fast shipping , great price

I contacted Autoplicity about the product & was advised of the price & shipping. This complete price was less than I could purchase it in town & arrival was much quicker. I am absolutely satisfied with the price & the quick delivery of the product. And let's not forget the knowledgeable sales personnel that helped with the product. I will continue to purchase from Autoplicity in the future. Thank you very much.

I am very satisfied with the product and price was great.

Really like the Amazon Payment Option. Made things much easier.

Autoplicity has been quick to send updates on my order to my email.

Item was 40% less than the nearest competitors price, arrived quickly and was exactly what I ordered. Extremely pleased and would gladly order from Autoplicity.com again.

Good products with low prices. Easy website and pament options.

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