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OE Quality
60-Day Returns
MoparPart #: SP138239AC
Mopar SP138239AC Spark Plug
21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$32.46Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ram, 2500 and 3500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
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Mopar SP138239AC Spark Plug
This part fits 21 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ram | 2500 | 6.4L | V8 | N/A | ||
| 2025 | Ram | 3500 | 6.4L | V8 | N/A | ||
| 2024 | Ram | 2500 | 6.4L | V8 | N/A | ||
| 2024 | Ram | 3500 | 6.4L | V8 | N/A | ||
| 2023 | Ram | 2500 | 6.4L | V8 | N/A | ||
| 2023 | Ram | 3500 | 6.4L | V8 | N/A | ||
| 2022 | Ram | 2500 | 6.4L | V8 | N/A | ||
| 2022 | Ram | 3500 | 6.4L | V8 | N/A | ||
| 2020 | Ram | 3500 | 6.4L | V8 | N/A | VH7120 | |
| 2019 | Ram | 2500 | Tradesman | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2019 | Ram | 3500 | Tradesman | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2018 | Ram | 2500 | ST | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2018 | Ram | 3500 | ST | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2017 | Ram | 2500 | ST | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2017 | Ram | 3500 | Tradesman | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2016 | Ram | 2500 | ST | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2016 | Ram | 3500 | Tradesman | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2015 | Ram | 2500 | ST | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2015 | Ram | 3500 | Tradesman | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2014 | Ram | 2500 | ST | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
| 2014 | Ram | 3500 | Tradesman | 6.4L | V8 | N/A | Right Cylinder Head;Supersedes part # 68138239AC |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.