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Champion CCH942M Copper Plus Marine Spark Plug RV91MC

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

CCH942M
05/27/2036 10:12 PM
Sale Price

$3.80

4 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Champion CCH942M (RV91MC) is a Copper Plus marine spark plug designed for dependable performance in marine engine applications. This quality OEM replacement spark plug delivers reliable ignition in demanding saltwater and freshwater environments.

Key Features:

  • Copper core center electrode provides increased conductivity and heat control for optimal performance and wear characteristics
  • SAC-9 semiconductor resistor reduces radio frequency interference (RFI) to prevent ignition misfires and radio static
  • Patented Ultraseal coated shell provides maximum corrosion resistance in harsh marine environments
  • Designed to resist overheating under heavy engine loads
  • 14mm thread size with tapered seat design
  • 5/8 inch (15.88mm) hex size for standard socket installation
  • Pre-gapped at 0.032-0.038 inches (0.81-0.97mm) for convenient installation

Technical Specifications:

  • Thread Size: 14mm (0.551 inch)
  • Thread Reach: 0.441 inches
  • Seat Type: Tapered
  • Heat Range: 91
  • Terminal Type: Non-removable nut
  • Resistor Type: SAC-9 semiconductor
  • Center & Ground Electrode Material: Nickel copper alloy

This Champion marine spark plug maintains accurate heat range control to optimize engine performance and extend spark plug life. The extruded copper core electrode design ensures dependable starts and continued reliability throughout the operating season.

easy to use

Great start to finish.

Great price. Over 150 cheaper per tire than elsewhere and we didnt do 2 day shipping and still had them at our house 3 business days later.

Great site

So far so good ! Transaction was smooth and perfect.

easy

great

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