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Champion QL77JC4SP Copper Plus Marine Spark Plug Shop Pack 828S - 24 Count

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

QL77JC4SP
05/27/2036 11:16 PM
Sale Price

$88.09

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Champion QL77JC4SP (Stock #828S) is a professional shop pack containing 24 copper plus spark plugs designed specifically for marine, small engine, and powersports applications. This bulk packaging is ideal for professional installers, marine technicians, and equipment service shops.

Key Features:

  • Copper core center electrode provides increased conductivity and superior heat control for extended wear
  • Nickel alloy electrodes for durability and consistent performance
  • Built-in resistor for maximum EMI suppression and electrical interference reduction
  • Gasket seat design with 14mm thread diameter and 12.7mm (1/2") reach
  • Pre-gapped to 0.028" - 0.033" (0.7mm - 0.84mm) for quick installation
  • Heat range 77 for versatile applications
  • Superior corrosion resistance and fouling prevention

Technical Specifications:

  • Thread Size: 14mm x 1.25mm pitch
  • Hex Size: 13/16" (20.6mm)
  • Seat Type: Gasket
  • Terminal Type: Solid, non-removable nut
  • Resistor: Yes (inductive type)
  • Torque Specs: 26-30 lb-ft (cast iron), 18-22 lb-ft (aluminum)

Built to ISO and SAE standards, these OE-type replacement spark plugs deliver dependable performance and durability. Fits Evinrude/Johnson, Mercury Marine, Mariner, OMC, Suzuki, Volvo Penta and Yamaha engines. Replaces OEM 0502180. Each shop pack includes 24 individually packaged plugs in protective styrofoam packaging.

Products specifications

Manufacturer Part Number

828S

Model Number

QL77JC4SP

Quantity

24

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