ACDelco 41-993 Professional Iridium Spark Plugs are a top-of-the-line choice for most vehicle models. These plugs are manufactured to meet rigorous quality requirements and ensure excellent fuel economy and smooth performance.

Key Features

  • Iridium construction
  • One-piece suppressor seal
  • Reduces Radio Frequency Interference (RFI)

Features and Specs for Each Model

  • Thread size: 14mm
  • Thread Pitch: 1.25mm
  • Hex size: 5/8″ (16mm)

Pros

  • Reliable performance
  • Reduces engine knocking
  • Great fuel efficiency

Cons

  • It may not be compatible with all vehicle models

Amazon Customer Review

★★★★★ “These plugs made my old car run like new again! Great performance and fuel economy!” – Sarah W.

Conclusion

If you’re looking for a durable and efficient spark plug, ACDelco 41-993 is an excellent choice. Though compatibility may be an issue for some, its performance makes it worth considering.

Wings NGK Spark Plug CR7HSA XR80 XR100 XR CRF80 CR...
4.8 out of 5 stars(307)
Available for Amazon Prime 54% Off $18.62 $8.53 (as of September 17, 2024 04:16 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
(6-Pack) NGK Spark Plugs TR55 (Stock # 3951)
4.7 out of 5 stars(3901)
Available for Amazon Prime 39% Off $27.79 $16.79 (as of September 17, 2024 01:19 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.)
Designed to operate over a much wider heat range t... read more
NGK (6703) BPMR7A Spark Plugs Individual Boxed - 2...
4.8 out of 5 stars(1748)
Available for Amazon Prime 18% Off $8.49 $6.89 (as of September 17, 2024 01:19 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 6703 Spark Plug Genuine NGK Pa... read more
Dorman 42109 Extended Spark Plug Non-Fouler - Univ...
4.7 out of 5 stars(112)
Available for Amazon Prime 15% Off $14.46 $12.29 (as of September 17, 2024 01:31 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.)
Direct replacement - this spark plug non fouler is... read more