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Champion J4CSP J4C Copper Plus Spark Plug Shop Pack 24 Count #825S

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

J4CSP
05/31/2036 10:36 PM
Sale Price

$49.06

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 J4C (Part #825) is a dependable Copper Plus spark plug designed for small engines, marine applications, and powersports equipment. This professional shop pack contains 24 individual spark plugs, making it ideal for installers and service shops who need reliable inventory on hand.

Key Features:

  • Copper core center electrode provides increased conductivity and superior heat control for extended plug life
  • Nickel alloy ground and center electrodes resist wear and fouling
  • Zinc-plated shell offers excellent corrosion resistance
  • Non-resistor design suitable for small engine applications
  • Gasket seat type ensures proper sealing
  • Heat range 4 for cold operation

Technical Specifications:

  • Thread Size: 14mm x 1.25mm pitch
  • Reach: 3/8 inch (9.5mm)
  • Hex Size: 13/16 inch (21mm)
  • Gap: 0.028-0.033 inch (0.71-0.84mm)
  • Terminal Type: Solid (non-removable nut)
  • Replaces OEM: 0378101

Champion's Copper Plus spark plugs are built to ISO and SAE standards, delivering proven performance and reliability for lawn mowers, chainsaws, trimmers, outboard motors, and other small engine equipment. The extruded copper core maintains accurate control of heat range, optimizing performance and longevity.

Products specifications

Manufacturer Part Number

825S

Model Number

J4CSP

Quantity

24

So far so good

Thank you

awsome

Arrived in 4 business days and cheapest price on the web for the part I got.

nice & easy... fast &cheap

Order has gone smooth so far. I wont know for sure until the correct part is delivered.

Plessent

Very quick.

Good

So far so good

Good price, quick shipping, no instant refund though!

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