NGK Ruthenium Spark Plugs RAM 2500 & 3500 6.4
Mopar reference numbers: SP142582AB, SP138239AC, SP079888AB, SP143877AA, 68143877AA ,SPLZFR5B13, SP148183AC, SP143877AB, SP148183AB, SPLZFR5C11, 68079888AB, 68138239AC
Fits:
| Year | Make | Model | Version | Motor |
| 2024 | Ram | 2500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Power Wagon, Rebel, Tradesman | 6.4L |
| 2024 | Ram | 3500 | Big Horn, Laramie, Limited, Limited Longhorn, SLT, Tradesman | 6.4L |
| 2023 | Ram | 2500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Power Wagon, Rebel, Tradesman | 6.4L |
| 2023 | Ram | 3500 | Big Horn, Laramie, Limited, Limited Longhorn, SLT, Tradesman | 6.4L |
| 2022 | Ram | 2500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Power Wagon, Tradesman | 6.4L |
| 2022 | Ram | 3500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, SLT, Tradesman | 6.4L |
| 2021 | Ram | 2500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Power Wagon, Tradesman | 6.4L |
| 2021 | Ram | 3500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, SLT, Tradesman | 6.4L |
| 2020 | Ram | 2500 | Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Power Wagon, Tradesman | 6.4L |
| 2020 | Ram | 3500 | Laramie, Laramie Longhorn, Limited, SLT, Tradesman | 6.4L |
| 2019 | Ram | 2500 | Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Power Wagon, Tradesman | 6.4L |
| 2019 | Ram | 3500 | Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, SLT, Tradesman | 6.4L |
| 2018 | Ram | 2500 | Big Horn, Laramie, Laramie Longhorn, Limited, Power Wagon, SLT, Tradesman | 6.4L |
| 2018 | Ram | 3500 | Big Horn, Laramie, Laramie Longhorn, Limited, SLT, Tradesman | 6.4L |
| 2017 | Ram | 2500 | Big Horn, Laramie, Laramie Longhorn, Limited, Power Wagon, SLT, Tradesman | 6.4L |
| 2017 | Ram | 3500 | Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, SLT, Tradesman | 6.4L |
| 2016 | Ram | 2500 | Big Horn, Laramie, Laramie Longhorn, Limited, Outdoorsman, Power Wagon, SLT, Tradesman | 6.4L |
| 2016 | Ram | 3500 | Big Horn, Laramie, Laramie Longhorn, Limited, SLT, Tradesman | 6.4L |
| 2015 | Ram | 2500 | Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Outdoorsman, Power Wagon, SLT, Tradesman | 6.4L |
| 2015 | Ram | 3500 | Big Horn, Laramie, Laramie Longhorn, Lone Star, SLT, Tradesman | 6.4L |
| 2014 | Ram | 2500 | Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Outdoorsman, Power Wagon, SLT, Tradesman | 6.4L |
| 2014 | Ram | 3500 | Big Horn, Laramie, Laramie Longhorn, Lone Star, SLT, Tradesman | 6.4L |
Delivery includes:
- 16 Spark plugs
The NGK Ruthenium HX was developed for newer engines that require high ignition performance.
The double fine electrode (DFE) design promotes concentration of spark energy and ignites in a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.
The centre electrode consists of a 0.4 mm thick ruthenium alloy and the ground electrode of a 0.8 mm thick platinum wire.
The trivalent metal platinum offers excellent corrosion protection and anti-seizing properties.
Corrugated ribs prevent rollovers.
The ceramic insulator made of pure aluminium oxide silicate provides higher strength and better heat transfer.
Copper core helps dissipate heat.
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