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Champion 946 Copper Plus Small Engine Spark Plug QC12YC

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

946
06/02/2036 3:23 PM
Sale Price

$4.73

In Stock (10+)

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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 Champion 946 (QC12YC) is a Copper Plus small engine spark plug designed for dependable performance in lawn mowers, snow blowers, generators, and other small engines. This spark plug features a copper core electrode that provides superior conductivity and heat control for consistent ignition and reliable operation.

Key Features:

  • Copper core construction for excellent heat dissipation and electrical conductivity
  • Advanced resistor design to reduce electromagnetic interference with electronic equipment
  • Corrosion-resistant shell and terminals for long service life
  • Fouling-resistant design maintains performance in varied operating conditions
  • Proven Champion quality for small engine applications

The QC12YC spark plug delivers the reliable starting and smooth running performance you need from your small engine equipment. Champion's copper core technology ensures optimal heat transfer away from the combustion chamber while maintaining excellent electrical conductivity for a strong spark.

Easy site to navigate with hassel free ordering.

so far so good

Items were what was expected and on time

great product

Everything went according to plan. It was great!

Great

The shipping down to Albuquerque New Mexico was way faster then expected. The part fit like a glove and looks even better. The right part, at the right price. I WILL USE THESE GUYS IN THE FUTURE.

They did good.

Site was a bit confusion making sure the parts I ordered would fit my vehicle. I understand some parts are widely used across but for the Challenger Hellcat I know for a fact that the brake pads for it and the other challenger lines are not the same. So worried about the rotors as well - we will see when they arrive.

Good

Was in a bind to get parts in. Autoplicity helped relieve the stress with great customer service and fast processing. I received my items within two days! Thanks for great customer service Autoplicity!

Great seller, best prices around! Order Number: 11348

so far so good

Website very user friendly and efficient.

Product was accurate and shipment was prompt. Could'nt find a better price.

its good

Great.

Great

Great prices. Easy website. EXCELLENT customer service

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