4 pc Champion Copper Plus 120 N5C Spark Plugs (2024)

4 pc Champion Copper Plus 120 N5C Spark Plug

  • IMPROVE PERFORMANCE: The tried-and-true Champion Copper Plus SME Spark Plug boosts performance so that your engine runs at its best. For projects large and small, the Champion Copper Plus SME spark plugs are the right plugs for the job. They help power millions of small engines, including mowers, tractors, and similar small engine machines
  • CHOOSE CONSISTENT COMBUSTION: The Champion Copper Plus SME Spark Plug employs a copper-core center electrode and patented SAC-9 semiconductor resistor to produce complete and efficient combustion over the life of the spark plug. The Ultraseal-coated shell reliably withstands soot and offers superior etching tolerance, ensuring long-lasting sparking capabilities and dependable performance and durability
  • RELY ON QUALITY SPARK PLUGS: Champion ignition parts keep engines running at their best. Their spark plug catalog provides a diverse set of spark plug types to meet modern engine demands for long-lasting, powerful performance. Built with durable precious metals, Champion Spark Plugs improve performance without the same wear and tear found in competitor plugs
  • TRUST IN CHAMPION: Champion has powered more racing legends and won more races than any other spark plug brand. All that success at the track translates to more innovation and a more reliable spark plug for you. With years of expertise in engineering and manufacturing OE components for major automotive manufacturers, Champion understands the importance of a seamless OE-quality replacement part. Their spark plugs adhere to the toughest industry standards for a better fit and longer plug life

Champion has been a world leader in the manufacturing of spark plugs for every kind of combustion engine for over 110 years. As a reputable supplier, Champion has driven design enhancements that optimize the performance of all vehicles they power. Learn more about Champion here.

CHAMPION SPARK PLUGS: THERE’S A CHAMPION IN HERE

For over 110 years, the Champion brand, now owned by Federal Mogul, has been a world leader in the manufacturing of spark plugs for every kind of combustion engine. As a reputable supplier of performance-driven quality, Champion’s century of expertise and commitment to excellence has driven spark plug design enhancements that optimize the performance of every vehicle they power. Their world-class spark plugs can be found under the hood of millions of everyday commuter cars as well as performance stock cars, NHRA hot rods, and other applications like powersport, lawn and garden, marine, and industrial machines.

PERFORMANCE DRIVEN QUALITY

Champion ignition parts keep engines running at their best. Their extensive spark plug catalog provides a diverse set of spark plug types to serve a variety of engine demands. FromChampion Iridium Spark Plugs,Double Platinum Power Spark Plugs, andPlatinum Power Spark PlugstoCopper Plus Spark PlugsandRacing Spark Plugs, you can rely on Champion to improve performance without the same wear and tear as competitor plugs. When it’s time to replace your plugs, rely on Champion for long-lasting, maximum performance spark plugs.

THE EXPERTS IN PERFORMANCE

Champion’s expertise in engineering and manufacturing OE components for major automotive manufacturers drives and informs their innovative spark plug designs. OE fit is critical in replacement parts, and Champion’s spark plugs adhere to the industry’s toughest standards. Their innovative maintenance solutions for professional repair technicians, do-it-yourselfers, and performance enthusiasts go above and beyond OE specifications every time.

IT BEGAN WITH A SPARK

Champion’s spark plugs have been improving engine performance since 1907. From their auspicious beginnings supplying spark plugs for the Ford Model T in 1907, Champion made a name for themselves as a manufacturer of high-quality, performance spark plugs. By the 1980s, the company had reached several milestones. Champion products could be found in the Concorde plane and had even sparked the fastest man on earth across the Black Rock desert in an aero-engined vehicle going 633 mph. Wins at Les Mans and Formula 1 further highlighted the power of Champion Spark Plugs. Today, Champion, a brand owned by Federal Mogul, continues their winning tradition with a strong line of iconic spark plugs, along with lighting, filters, and batteries.

STRONG REBRANDING

The Champion bow-tie logo remains a mark of excellence for technicians, racers, and consumers worldwide. As Champion rebranded and modernized the look of the Champion brand, they retained its authenticity and strong heritage. Hand-drawn illustrations on their packaging serve to unify the Champion brand across all channels.

DID YOU KNOW?

Champion has powered more racing legends and won more races than any other spark plug brand. All that success at the track translates to more innovation. Their cutting-edge maintenance solutions benefit the next generation of Champions.

CHAMPION IRIDIUM

Warranty Term: 7 year unlimited mileage guarantee or the manufacturer’s recommended change interval (whichever comes last)

DOUBLE PLATINUM POWER

Warranty Term: 5 year unlimited mileage guarantee or the manufacturer’s recommended change interval (whichever comes last)

PLATINUM POWER

Warranty Term: 3 year unlimited mileage guarantee or the manufacturer’s recommended change interval (whichever comes last)

COPPER PLUS

Warranty Term: 2 year unlimited mileage guarantee or the manufacturer’s recommended change interval (whichever comes last)

Clickhereto read warranty details, terms, and exclusions.

4 pc Champion Copper Plus 120 N5C Spark Plugs (2024)

FAQs

What is a n5c spark plug equivalent to? ›

Champion standard spark plugs have a copper core, for improved conduction, and traditional electrode designs. Champion standard spark plugs are the best choice for vintage models as they have a broader working range than other makes.

Are copper plus spark plugs good? ›

Copper spark plugs run cooler and provide more power in performance driving situations. They are often installed as original equipment in turbocharged engines and engines with higher compression ratios. Copper spark plugs are also often used in older (pre-1980s) vehicles with a distributor-based ignition system.

What spark plug is equivalent to RC12YC? ›

NGK CS6 Series Spark Plug replaces: BKR5ES or BKR5E Champion: RC12YC and RC14YC 100 Plugs per box.

Are Champion copper Plus plugs pre gapped? ›

Pre-gapped and ready for fitment sees Champion Spark Plugs used in the high stress environment of motorsport to continually test the limits of design and endurance. This knowledge and refinement sees it's way into every spark plug produced giving the mechanic or enthusiast the confidence to trust Champion.

What spark plug is better NGK or iridium? ›

Iridium Spark Plugs Are More Efficient

Iridium spark plugs are better at starting engines than other types of spark plug because the spark is highly concentrated in the central electrode, and consequentially requires less voltage to operate.

Does it matter what spark plugs I use? ›

Harder platinum and iridium cost more, but were designed to last longer, but remember, the best fit is always the one designed for your engine. You need the metal in the spark plug to meet your vehicle's needs, so stick with your owner's manual recommendation for the best performance.

Which plug is hotter RC12YC or rc14yc? ›

Generac revised the "recommended plug" to this one from the RC12YC a while ago, hence it is included in their kits. Difference... the "14" is a bit hotter for easier starts, faster warm up, etc., with a larger center copper wire electrode. The 0.40 in. gap is the same for either plug...

Can I use a different spark plug in my mower? ›

Spark plugs aren't universal; you have to make sure that you buy one that fits your mower. You can consult your owners' manual to determine the types your lawn mower can use or take a look at the plug's ceramic insulator, which usually has the number printed on it.

How to tell if a spark plug is bad? ›

The most common signs of bad spark plugs include start-up trouble, rough idling, sluggish acceleration, declining fuel economy, engine misfiring, and engine knocking.

Do Champion spark plugs need to be gapped? ›

Today, Champion spark plugs come pre gapped, eliminating the need for this step most times. You should double check that the gap is correctly set; check your owner's manual to find the distance for the spark plug gap and use a gap gauge or feeler gauge to check the distance.

What happens if you don't gap your spark plugs? ›

The gap allows the electrical “spark” to occur at the right voltage to ignite the air-fuel mixture in an engine's internal combustion chamber. When you don't have the proper spark plug gap, that can lead to premature wear, ignition system stress, and even cylinder misfires.

Do you have to gap pre gapped spark plugs? ›

In the past, it was necessary to gap spark plugs, but today spark plugs are usually pre-gapped. It is advisable to double check that the gap is correctly set to the vehicle's recommended setting when installing spark plugs.

What is a n4c spark plug equivalent to? ›

Alternative tennplugger for Champion N4C:
BrandModel
Motorcraft stk55
NewstarF7C
NGK1111
NGKB6ES
151 more rows

What is the difference between spark plug numbers? ›

The heat range of a spark plug is the range in which the plug works well thermally. The heat rating of each NGK spark plug is indicated by a number; lower numbers indicate a hotter type, higher numbers indicate a colder type.

Are spark plug brands interchangeable? ›

For most applications, there are usually a variety of brands that are interchangeable. For some more specialized applications, however, the selection may be much more limited, and there may only be one or two brands that list a spark plug for that application.

What is the new name of NGK spark plugs? ›

Following the 122nd Ordinary General Meeting of the Shareholders on 24 June 2022, NGK SPARK PLUG announces major news with its decision to change its English language company name to 'Niterra'.

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