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Champion 933M QL86C Copper Plus Small Engine 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

933M
05/31/2036 9:45 PM
Sale Price

$4.92

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Champion 933M is a high-performance Copper Plus spark plug designed specifically for small engines and marine applications. This resistor-type spark plug features a nickel copper alloy electrode that provides excellent conductivity and reliable ignition performance in demanding conditions.

Key Specifications:

  • Plug Type: QL86C
  • Thread Diameter: 0.551 inch (14mm)
  • Thread Reach: 1/2 inch
  • Seat Type: Gasket seat
  • Gap Range: 0.027 - 0.033 inch
  • Resistor plug for reduced electromagnetic interference
  • Nickel copper alloy construction for superior heat dissipation

Features and Benefits:

  • Copper Plus technology delivers improved performance and faster starts
  • Marine-grade construction resists corrosion in harsh environments
  • Resistor design reduces radio frequency interference with onboard electronics
  • Reliable ignition in lawn mowers, generators, outboard motors, and other small engines
  • Trusted Champion quality for dependable operation

This single spark plug is ideal for routine maintenance and replacement in small engines where consistent performance is critical. The gasket seat design ensures proper sealing and heat transfer to the cylinder head.

Good fast shipping. Easy ordering.

There were some communication issues at the beginning. Some confusion about order numbers and shipping led to a couple days of going back and forth with them. In the end, they made every effort to make sure I was satisfied and that my order was complete and correct. Extremely cheap price, I bet I saved almost $100 on 4 EBC rotors. My only complaint is it took almost 2 weeks for shipping, but it did ship directly from the manufacturer so I can't say that's entirely the fault of Autoplicity.<br><br>Order #28295 on 08/26/2012

WOW !! A great internet purchasing experience. Great Prices, Excellent Communication, and Super Fast Shipping. I highly recommend Autoplicity for your next purchase. I will be back !! Thanks

Wow Super fast shipping, right product, no hassle no fuss. just how i like it. good job autoplicity keep it up.

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