Ignition Coil and Iridium Spark Plugs for Ram 1500 (2013-2018) 3.6L
Couldn't load pickup availability
- Guaranteed Fitment
- Performance Tested
- Lifetime Warranty
Want it soon? Order within
Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2013-2018 Ram 1500
What it Does: The Ignition Coil and Iridium Spark Plug Kit replaces degraded factory secondary ignition components on the 2013-2018 Ram 1500 to restore peak spark energy, eliminate engine misfires, and stabilize combustion efficiency.
The Stock Ram 1500 Coil Breakdown and Spark Plug Erosion
Factory pencil coils on the 3.6L Pentastar V6 endure extreme thermal cycles inside the intake valley. Over prolonged runtime, heat soak deteriorates the internal copper winding insulation and dielectric epoxy potting, leading to micro-arcing and secondary voltage drop under load. Compounding this issue, factory spark plug ground electrodes erode, expanding the gap and demanding higher secondary breakdown voltages. This causes random misfires (DTC P0300–P0306), unburnt fuel fouling the catalytic converters, and diminished fuel economy.
The Engineering Solution
This service kit features reinforced coil-on-plug units wound with high-conductivity copper wire and sealed with high-dielectric epoxy to withstand extreme engine bay heat without shorting. The included spark plugs feature laser-welded, fine-wire iridium center electrodes and platinum-tipped ground pads, lowering the required strike voltage, resisting spark erosion, and ensuring immediate flame kernel expansion across all load ranges.
Technical Specifications
| Fitment | 2013-2018 Ram 1500 |
|---|---|
| Engine / Chassis | 3.6L Pentastar V6 / DS |
| Stock Output | 305 hp / 269 lb-ft |
| Replaces OEM Part # | UF648, 51491685AH, 51491685AI |
Compatibility
- 2013-2018 Ram 1500 Tradesman 3.6L V6
- 2013-2018 Ram 1500 SLT 3.6L V6
- 2013-2018 Ram 1500 HFE 3.6L V6
- 2014-2018 Ram 1500 Big Horn / Lone Star 3.6L V6
- 2014-2018 Ram 1500 Express 3.6L V6
Frequently Asked Questions
Does this fit the DS 1500?
Yes, this is a direct fit for the 2013-2018 Ram 1500 equipped with the 3.6L Pentastar V6 engine.
Do these iridium spark plugs require manual gapping before installation?
No, these plugs come pre-gapped from the factory, and mechanical gapping tools should not be used on fine-wire iridium tips to avoid brittle fractures.
The Ram Workhorse Caliber
Towing and hauling require uninterrupted torque from the DS platform. Upgrading to a matched set of fresh ignition coils and iridium plugs restores critical flame propagation, preventing misfires and loss of power when working under full load.
Fitment
Fitment
|
Make |
Ram |
|---|---|
|
Engine Size |
|
|
Year |
|
Warranty
Warranty
All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

Shopping Safely
At our Shopify store, we prioritize your safety and security. Here's how we ensure a secure shopping experience:
1. Secure Transactions: We use advanced encryption to protect your personal and payment information, ensuring it is safely transmitted and safeguarded.
2. Trusted Payment Gateways: Our store integrates with trusted payment gateways, ensuring your transactions are processed securely and efficiently.
3. Data Privacy: Your privacy is our top priority. We follow strict data protection policies to keep your personal information confidential and secure.
4. Secure Platform: Shopify provides robust security features and continuous monitoring against vulnerabilities, ensuring a safe shopping environment.
5. Verified Merchants: We are a verified merchant on Shopify, committed to providing authentic and high-quality products.
6. Transparent Policies: Our clear return, refund, and shipping policies provide peace of mind, knowing we stand behind our products.
7. Customer Support: Our dedicated customer support team is ready to assist with any concerns or questions you may have.
Shop confidently at our Shopify store, where your safety and satisfaction are our top priorities.
$85.95