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Champion 938S QL78YC Copper Plus Spark Plug Shop Pack

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

938S
05/31/2036 11:55 PM
Sale Price

$127.03

In Stock (10+)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

Live-in-stock inventory

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Fitment guaranteed

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Product Details

The Champion 938S is a professional-grade shop pack of QL78YC Copper Plus spark plugs designed for small engines, marine applications, and power equipment. These conventional spark plugs feature nickel alloy electrodes and a copper core center electrode that provides superior conductivity and heat control for reliable engine performance.

Key Features:

  • Copper core center electrode for increased conductivity and efficient heat dissipation
  • Nickel alloy electrodes with excellent wear characteristics
  • Resistor type plug with Q-type inductive suppressor for RFI protection
  • Projected tip configuration enhances combustion efficiency
  • Triple-coated shell with Ultraseal coating for maximum corrosion resistance
  • Gasket seat type with 14mm thread diameter and 12.7mm (0.500") reach
  • 21mm (13/16") hex size for easy installation
  • Pre-gapped to 0.024" (0.6mm) specification
  • Heat range 78 for versatile applications

Designed to meet ISO and SAE standards, these spark plugs resist fouling and deliver dependable performance in demanding conditions. Champion 938S spark plugs have been trusted OEM replacements for marine engines, lawn and garden equipment, and other small engine applications for decades. The shop pack format provides convenient bulk quantities for professional installers and frequent maintenance needs.

Replaces OEM: 0437929

Made an order and 2 days later got an email saying it was canceled. Picked up the phone and it was resolved quickly. Product is now in the mail. Prices are great.

Thanks Autoplicity you had the best prices I could find, fast shipping, and everything I ordered was exactly what I was looking for! Great Customer Service!

Great product, looked evey where for the right brand on my spedomder cable. Product worked as advertised!! Look forward to working with guys again. Thanks

GREAT PRICES FAST SHIPPING WILL UPDATE ONCE PRODUCT ARRIVES

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