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Champion Spark Plugs

Check out our wide selection of Champion spark plugs, including Champion Copper Plus, Double Platinum Power, or cutting-edge Iridium plugs. Known as the spark plug of choice for racing legends throughout the years, Champion plugs are also designed for everyday performance-driven quality. At Sixity Auto, we're committed to providing a diverse range of spark plugs, including options from other industry leaders like NGK, DENSO, Autolite, E3, and Bosch.

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  1. Champion Spark Plug
    6 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Rating:
    100%
    4  Reviews
    Special Price $55.81 Regular Price $79.99
    Champion
  2. Champion Spark Plug
    10 pc Champion Copper Plus 71 RC12YC Spark Plugs
    Special Price $21.56 Regular Price $30.99
    Champion
  3. Champion Spark Plug
    6 pc Champion Iridium 9809 QC8WEP Spark Plugs
    Rating:
    100%
    2  Reviews
    Special Price $54.99 Regular Price $78.99
    Champion
  4. Champion Spark Plug
    6 pc Champion Double Platinum 7712 QC12PEP Spark Plugs
    Rating:
    80%
    1  Review
    Special Price $33.77 Regular Price $47.99
    Champion
  5. Champion Spark Plug
    8 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Special Price $72.63 Regular Price $103.99
    Champion
  6. Champion Spark Plug
    10 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Special Price $90.57 Regular Price $128.99
    Champion
  7. Champion Spark Plug
    6 pc Champion Copper Plus 938M QL78YC Spark Plugs
    Special Price $19.02 Regular Price $26.99
    Champion
  8. Champion Spark Plug
    Champion Double Platinum 7070 RC11PYPB4 Spark Plug
    Special Price $6.72 Regular Price $9.99
    Champion
  9. Champion Spark Plug
    6 pc Champion Copper Plus 438 RC12ECC Spark Plugs
    Rating:
    100%
    3  Reviews
    Special Price $14.22 Regular Price $19.99
    Champion
  10. Champion Spark Plug
    10 pc Champion Copper Plus 988 XC10YC Spark Plugs
    Special Price $28.86 Regular Price $40.99
    Champion
  11. Champion Spark Plug
    8 pc Champion Copper Plus 14 RJ12YC Spark Plugs
    Special Price $16.97 Regular Price $23.99
    Champion
    Out of stock
  12. Champion Spark Plug
    6 pc Champion Copper Plus 955M XC12PEPB Spark Plugs
    Rating:
    80%
    2  Reviews
    Special Price $37.09 Regular Price $52.99
    Champion
    Out of stock
  13. Champion Spark Plug
    8 pc Champion Copper Plus 404 RN12YC Spark Plugs
    Special Price $16.65 Regular Price $23.99
    Champion
  14. Champion Spark Plug
    8 pc Champion Copper Plus 439 RC12MCC4 Spark Plugs
    Rating:
    100%
    1  Review
    Special Price $18.25 Regular Price $25.99
    Champion
  15. Champion Spark Plug
    6 pc Champion Iridium 9407 RER8ZWYCB4 Spark Plugs
    Special Price $42.51 Regular Price $60.99
    Champion
  16. Champion Spark Plug
    8 pc Champion Copper Plus 810C RA8HC Spark Plugs
    Special Price $18.95 Regular Price $26.99
    Champion
    Out of stock
  17. Champion Spark Plug
    16 pc Champion Copper Plus Spark Plugs for 2003-2008 Dodge Ram 1500 5.7L V8
    Rating:
    100%
    4  Reviews
    Special Price $53.59 Regular Price $76.99
    Champion
  18. Champion Spark Plug
    8 pc Champion Copper Plus 570 RE14MCC4 Spark Plugs
    Rating:
    80%
    1  Review
    Special Price $19.71 Regular Price $27.99
    Champion
  19. Champion Spark Plug
    6 pc Champion Copper Plus 831 UL77V Spark Plugs
    Special Price $33.53 Regular Price $47.99
    Champion
  20. Champion Spark Plug
    4 pc Champion Iridium 9809 QC8WEP Spark Plugs
    Special Price $36.21 Regular Price $51.99
    Champion
  21. Champion Spark Plug
    16 pc Champion Copper Plus Spark Plugs for 2011-2019 Ram 1500 5.7L V8
    Rating:
    98%
    8  Reviews
    Special Price $53.70 Regular Price $76.99
    Champion
  22. Champion Spark Plug
    8 pc Champion Copper Plus 955M XC12PEPB Spark Plugs
    Special Price $49.17 Regular Price $69.99
    Champion
    Out of stock
  23. Champion Spark Plug
    8 pc Champion Copper Plus 436 RC12LC4 Spark Plugs
    Rating:
    100%
    1  Review
    Special Price $16.65 Regular Price $23.99
    Champion
  24. Champion Spark Plug
    8 pc Champion Double Platinum 7989 Spark Plugs
    Special Price $104.69 Regular Price $149.99
    Champion
  25. Champion Spark Plug
    8 pc Champion Copper Plus 71-1 RC12YC Spark Plugs
    Special Price $17.08 Regular Price $23.99
    Champion
  26. Champion Spark Plug
    10 pc Champion Copper Plus 848 CJ8Y Spark Plugs
    Special Price $21.56 Regular Price $30.99
    Champion
  27. Champion Spark Plug
    8 pc Champion Copper Plus 980 XC92YC Spark Plugs
    Special Price $23.74 Regular Price $33.99
    Champion
  28. Champion Spark Plug
    16 pc Champion Iridium Spark Plugs for 2011-2019 Ram 1500 5.7L V8
    Rating:
    100%
    5  Reviews
    Special Price $127.19 Regular Price $181.99
    Champion
  29. Champion Spark Plug
    8 pc Champion Copper Plus 71 RC12YC Spark Plugs
    Special Price $17.08 Regular Price $23.99
    Champion
  30. Champion Spark Plug
    10 pc Champion Industrial 562 W95D Spark Plugs
    Special Price $196.59 Regular Price $280.99
    Champion
    Out of stock
  31. Champion Spark Plug
    Champion Iridium 9005 QC10WEP Spark Plug
    Rating:
    100%
    1  Review
    Special Price $10.04 Regular Price $13.99
    Champion
  32. Champion Spark Plug
    6 pc Champion Platinum 3071 RC12PYC Spark Plugs
    Special Price $20.47 Regular Price $28.99
    Champion
  33. Champion Spark Plug
    4 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Special Price $37.50 Regular Price $53.99
    Champion
  34. Champion Spark Plug
    4 pc Champion Copper Plus 988 XC10YC Spark Plugs
    Special Price $12.06 Regular Price $16.99
    Champion
  35. Champion Spark Plug
    4 pc Champion Industrial 502 D21 Spark Plugs
    Special Price $12.69 Regular Price $17.99
    Champion
  36. Champion Spark Plug
    8 pc Champion Copper Plus 10 J12YC Spark Plugs
    Special Price $17.08 Regular Price $23.99
    Champion
  37. Champion Spark Plug
    6 pc Champion Copper Plus 932M QL82YC Spark Plugs
    Special Price $20.31 Regular Price $28.99
    Champion
  38. Champion Spark Plug
    10 pc Champion Platinum 3015 RS14PMC4 Spark Plugs
    Special Price $34.86 Regular Price $49.99
    Champion
  39. Champion Spark Plug
    10 pc Champion Copper Plus 827M L76V Spark Plugs
    Special Price $55.15 Regular Price $78.99
    Champion
  40. Champion Spark Plug
    4 pc Champion Industrial 516 D16 Spark Plugs
    Special Price $13.13 Regular Price $18.99
    Champion
  41. Champion Spark Plug
    8 pc Champion 794 C61YC Spark Plugs
    Special Price $30.59 Regular Price $43.99
    Champion
  42. Champion Spark Plug
    10 pc Champion Copper Plus 980 XC92YC Spark Plugs
    Special Price $28.86 Regular Price $40.99
    Champion
  43. Champion Spark Plug
    8 pc Champion Double Platinum 7712 QC12PEP Spark Plugs
    Special Price $43.84 Regular Price $62.99
    Champion
    Out of stock
  44. Champion Spark Plug
    16 pc Champion Copper Plus Spark Plugs for 2009-2019 Dodge Charger 5.7L V8
    Special Price $52.63 Regular Price $74.99
    Champion
  45. Champion Spark Plug
    10 pc Champion Industrial 204 D14N Spark Plugs
    Special Price $162.94 Regular Price $232.99
    Champion
    Out of stock
  46. Champion Spark Plug
    8 pc Champion Copper Plus 405 RN14YC Spark Plugs
    Special Price $16.65 Regular Price $23.99
    Champion
  47. Champion Spark Plug
    8 pc Champion Copper Plus 121 RV8C Spark Plugs
    Special Price $18.25 Regular Price $25.99
    Champion
  48. Champion Spark Plug
    6 pc Champion Copper Plus 828M QL77JC4 Spark Plugs
    Special Price $19.02 Regular Price $26.99
    Champion
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The Sixity Auto Advantage

Finding the right car spark plugs can seem complicated, but our goal is to make it simple. We combine a massive selection of parts from trusted brands with the expert, US-based support you need to make the right choice. With fast shipping and a 100% fitment guarantee, we provide a hassle-free shopping experience that has earned the trust of over a million customers.

Platinum, Iridium, and More

Choosing the right material is key to your engine’s performance and longevity. We carry a massive selection of aftermarket spark plugs in every type, from long-lasting iridium to dependable copper plugs for classic vehicles. Whatever your engine needs, we have the right plug to match its specific requirements, ensuring optimal spark and efficiency.

Expert Support When You Need It

Not sure which plug is right for your vehicle? Our friendly, US-based customer support team is here to help. With deep knowledge of our full catalog, they can guide you to the perfect car spark plugs for your specific make and model. We are committed to helping you buy with confidence and getting your installation done right the first time.

Frequently Asked Questions

Got a question about our automotive spark plugs? Here are a few things people often ask. For anything else, our main FAQ page has you covered.

How do I find the right spark plugs for my car?

Your best bet is our vehicle selector tool. Just plug in your car’s info, and we’ll show you exactly which plugs are guaranteed to work.

Are your aftermarket spark plugs as good as the originals?

Definitely. We only carry parts that are as good or better than the ones that came in your car, but without those dealership prices.

How often should I replace car spark plugs?

That really depends on the type. A standard copper plug is usually good for about 20,000 miles, while a high-end iridium one can last 100,000. Your owner’s manual will have the exact schedule for your engine.

Spark Plug Features

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
free shipping on eligible items at sixityauto.com

FAST & FREE SHIPPING
On eligible items

At SixityAuto.com, we offer free shipping on thousands of eligible items. We also ship FAST. Over 99% of all items ordered will ship within one business day. Plus, we ship from our strategically located warehouses on the East and West Coast to save precious shipping time.

100% fitment guarantee at sixityauto.com

100% FITMENT GUARANTEE
Your parts will fit as advertised

Shop with confidence, knowing that your purchase from Sixity Auto will fit your vehicle. If after purchase you determine that your part does not fit the vehicle we advertised, simply contact us to initiate a return. We want your parts to fit!

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RAVE REVIEWS
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call sixity auto 8am to 8pm Eastern, Monday through Friday

WE'RE HERE TO HELP
(888) 679-6279
Monday through Friday, 8am-8pm Eastern

We speak your language. Our staff has decades of experience selling auto parts to enthusiasts like you. Whether it's for your car, truck, or van, we have staff on hand that can answer your questions and make sure you get the part you're looking for.

For phone sales or help with product fitment questions, our U.S.-based customer service staff in California and Indiana is available weekdays, 8am-8pm ET.

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BUILT FOR BUSINESS
Tax-exempt shopping available

Sixity Auto works with a wide range of business customers—from repair shops and dealerships to fleet operators, government organizations, and others that purchase parts for resale or operational use.

If you are a qualified tax-exempt or resale customer, submit your documentation and we'll set you up for tax-free shopping. Check out all the details here.

military members and vets save 10% every day

MILITARY DISCOUNT
Save 10% on every purchase

Sixity Auto is proud to support our Active-Duty Service Members, Vets, and their immediate families. To show a token of our thanks, we extend a 10% discount on your entire purchase, every single day.

We use VerifyPass (formerly ID Discount) to help us manage our Military Discount program. Click here for all the details!

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© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.