The Champion RC12YC Spark Plug is a reliable and budget-friendly option for those who don’t want to compromise on quality. This plug is designed to meet OEM standards and provides reliable and efficient engine performance.

Key Features

  • The copper core center electrode
  • Patented SAC-9 semi-conductor resistor
  • OEM quality

Features and Specs for Each Model

  • Copper core electrode
  • Thread size: 14mm
  • Hex size: 5/8″ (16mm)

Pros

  • Affordable
  • Reliable and efficient performance
  • Good lifespan

Cons

  • Not as durable as iridium or platinum plugs

Amazon Customer Review

★★★★ “Affordable and effective. These plugs and the more expensive options work!” – Emily R.

Conclusion

The Champion RC12YC Spark Plug is a solid choice for those looking for an affordable yet efficient solution. It may not offer the longevity of iridium or platinum plugs, but it certainly provides reliable performance at a budget-friendly price.

ACDelco 41-962 Professional Platinum Spark Plug, (...
4.7 out of 5 stars(475951)
Available for Amazon Prime 10% Off $63.99 $57.00 (as of July 11, 2025 08:25 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
One-piece, fired-in suppressor seal blends three g... read more
Champion J19LM-2pk Copper Plus Small Engine Spark ...
4.8 out of 5 stars(4851159)
Available for Amazon Prime 29% Off $8.55 $6.00 (as of July 11, 2025 08:25 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Sold on Amazon Please refer to list for compatibil... read more
BOSCH 9603 OE Fine Wire Double Iridium Spark Plug ...
4.7 out of 5 stars(475553)
Available for Amazon Prime $21.14 (as of July 11, 2025 08:55 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Bosch Double Iridium Spark Plugs feature both an i... read more
Wings NGK Spark Plug CR7HSA XR80 XR100 XR CRF80 CR...
4.8 out of 5 stars(485407)
1% Off $9.44 $9.33 (as of July 11, 2025 08:55 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
2 pack NGK Standard 4549 Spark Plug Genuine NGK Pa... read more