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Diagnostic guide to resolving automotive anomalies like no response at startup, engine misfire shaking, check engine light (DTC P0351), and excessive fuel consumption.

EVIL ENERGY Ignition Coil UF378 Compatible with Dodge Chrysler 5.7L HEMI V8 Performance Coil

$180.99
$180.99
SKU: EVBVH0004002
Product Type: Ignition Coils
EVIL-ENERGY-Coils-8-pack-5.7-Hemi-ignition-coil-UF378-for-Dodge-Ram-1500

EVIL ENERGY Ignition Coil UF378 Compatible with Dodge Chrysler 5.7L HEMI V8 Performance Coil

$180.99
$180.99

EVIL ENERGY Ignition Coil UF378 Compatible with Dodge Chrysler 5.7L HEMI V8 Performance Coil

$180.99

Brand EVIL ENERGY
Product Type Ignition Coils
OEM Replacement UF378
Spark Energy +7% vs OE
Spark Duration 1.526 mS
Maximum Voltage 44000V
Primary Resistance 0.7 ohms
Secondary Resistance 6.67k ohms
Turns Ratio 65

 

VEHICLE COMPATIBILITY

Chrysler

Model Year Engine
300 2005 5.7L V8

Dodge

Model Year Engine
Durango 2004-2005 5.7L V8
Magnum 2005 5.7L V8
Ram 1500 2003-2005 5.7L V8
Ram 2500 2003-2005 5.7L V8
Ram 2500 2005 5.9L L6
Ram 3500 2003-2005 5.7L V8

Jeep

Model Year Engine
Grand Cherokee 2005 5.7L V8

HEMI Power Restored: High-Performance EVIL ENERGY Coils for Dodge Ram & Jeep

Is your HEMI V8 losing its legendary punch? The EVIL ENERGY Coils are precision-engineered to be the ultimate 5.7 Hemi ignition coil upgrade for your truck or SUV. Designed as a heavy-duty replacement for OE UF378, our 5.7 Hemi coil pack delivers a massive 44,000V maximum voltage, providing a +7% spark energy boost over stock units. This premium Ram 1500 ignition coil ensures a stabilized 1.526 mS spark duration, effectively eliminating the 'Hemi Shudder' and sharpening throttle response for your Dodge Ram 1500 ignition coil.

Upgrade OE UF378 to EVIL ENERGY for stronger spark output and improved engine smoothness. Direct replacement, heavy‑duty design, and great value for reliable performance you can count on.

EVIL-ENERGY-Coils-8-pack-UF378-for-5.7-Hemi-ignition-coil-Dodge-Ram-1500

Engineered for superior combustion efficiency and an enhanced driving experience, EVIL ENERGY ignition coils deliver a perfect balance of performance, reliability, and durability for your engine.

Whether you are refreshing a high-mileage Jeep ignition coil or seeking a reliable Jeep Grand Cherokee ignition coil, our EVIL ENERGY Coils feature a 65:1 turns ratio to withstand extreme under-hood heat. This ignition coil jeep grand cherokee is built to handle the unique demands of the 5.7L engine, ensuring your Dodge Ram 1500 ignition coil provides the reliable, high-voltage output your HEMI demands. Don't settle for less—choose the ignition coil Dodge Ram 1500 owners trust for performance and durability.

Feature:

  • Boost Power & Fast Ignition: Specifically engineered for the 5.7 Hemi ignition coil system, our high-voltage output provides quick ignition response and strong combustion. By maximizing spark intensity, this Dodge Ram 1500 ignition coil increases horsepower and sharpens throttle response, significantly improving the overall engine performance of your Jeep ignition coil.
  • Reduce Jitter & Rough Idle: Eliminate the frustrating 'Hemi Shudder' with the EVIL ENERGY Coils. This premium Ram 1500 ignition coil effectively minimizes engine vibration, shaking, and uneven idling, ensuring smoother acceleration and stable operation for anyone replacing an ignition coil jeep grand cherokee.
  • Reduce Fuel Consumption: Maximize your MPG by ensuring complete fuel atomization. This 5.7 Hemi coil pack improves ignition efficiency, reducing fuel waste while enhancing overall fuel economy—a vital upgrade for a high-mileage Jeep Grand Cherokee ignition coil.
  • High-Temperature Resistant: Constructed with high-quality heat-resistant materials to endure extreme engine temperatures. This Dodge Ram 1500 ignition coil is built to withstand the intense heat soak of the 5.7L V8 engine bay, maintaining stable performance where a standard Jeep ignition coil might fail.
  • Stable & Durable Reliability: Built with a robust structure and a heavy-duty 65:1 turns ratio, EVIL ENERGY Coils ensure an extended lifespan. Our dependable design provides consistent ignition reliability for both daily and performance use, making it the top choice for an ignition coil Dodge Ram 1500 replacement.
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Get Rid of Troublesome Vehicle Issues with EVIL ENERGY Coils

Don’t let a failing 5.7 Hemi ignition coil or an inconsistent Jeep ignition coil compromise your vehicle's legendary power. Our EVIL ENERGY Coils are precision-engineered to eliminate the most persistent V8 engine faults. Upgrading to our high-output Dodge Ram 1500 ignition coil provides a permanent fix for:

  • No-Start Conditions & Long Cranking: Tired of your truck struggling to fire? The 44,000V maximum voltage of our EVIL ENERGY Coils ensures instant ignition, even in freezing weather. It’s the perfect replacement for a weak Ram 1500 ignition coil that causes stubborn starting issues.
  • Unexpected Vehicle Vibration (The Hemi Shudder): Restore factory smoothness to your drive. This Jeep Grand Cherokee ignition coil effectively eliminates the abnormal shaking and rough idle often caused by aging factory units. Our ignition coil Dodge Ram 1500 upgrade provides the stability needed for a vibration-free stoplight experience.
  • Illuminated Fault Lights & Misfires: Clear those persistent dashboard alerts for good. Specifically designed to resolve common misfire codes, our 5.7 Hemi coil pack ensures your ECU stays clear of performance-robbing errors, maintaining the health of your Jeep Grand Cherokee ignition coil system.
  • High Fuel Usage: Stop wasting gas due to a weak or inconsistent spark. By ensuring complete combustion with +7% higher spark energy, this 5.7 Hemi ignition coil helps you recover lost MPG and improve the efficiency of your Dodge Ram 1500 ignition coil, saving you money at the pump.
  • Ignition Circuit Failures: If you are dealing with primary or secondary circuit malfunctions, our EVIL ENERGY Coils feature a 65:1 turns ratio and 0.7 ohms primary resistance to provide the electrical integrity needed to keep your ignition coil jeep grand cherokee running right under any load.
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Brand Summary

Policy Details
Cancellation Policy Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days.
Returns Policy Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days.
Non-Returnable Items Only regular-priced items are eligible for refunds; sale items are non-refundable.
Refund Processing If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com.

Return Reasons

  1. Quality Issues: Provide photos/videos; we cover return shipping.
  2. Wrong Item Ordered: Buyer covers return shipping; email within 30 days.
  3. Change of Mind: Buyer covers return shipping; email within 30 days.
  4. Shipping Damage: Inspect packages; do not sign for damaged items.
  5. Incorrect Item Shipped: Contact within 7 days.

Price Protection Policy

Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.

Disclaimer

EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.

If you need further information or assistance, feel free to ask!

Q: How much does it cost to replace a 5.7 Hemi ignition coil set?
A: Dealership prices for a full HEMI coil replacement can range from $800 to $1,200. However, choosing a high-performance EVIL ENERGY Coils set allows you to get premium Ram 1500 ignition coil quality at a fraction of the cost. Our 5.7 Hemi ignition coil pack offers professional-grade reliability without the 'dealer markup.'

Q2: Will the EVIL ENERGY Coils fix the 'Hemi Shudder' or rough idle?
A: Yes. The 'Hemi Shudder' is often caused by a weak Dodge Ram 1500 ignition coil that can't maintain a consistent spark under load. With our 44,000V maximum voltage and 1.526 mS spark duration, these EVIL ENERGY Coils stabilize combustion, effectively eliminating irregular shaking and smoothing out your idle.

Q: Can I install a Ram 1500 ignition coil myself?
A: Absolutely. Replacing an ignition coil for Dodge Ram 1500 is a very popular DIY project. Since the 5.7L HEMI engine has accessible coils on the top of the valve covers, you only need basic hand tools. Our EVIL ENERGY Coils are a 100% direct 'Plug & Play' fit for your Dodge Ram 1500 ignition coil system.

Q: How often should I replace my Jeep ignition coil on a Grand Cherokee?
A: For the 5.7L V8, it is recommended to inspect or replace your Jeep ignition coil every 80,000 to 100,000 miles. If you notice a drop in MPG or a 'Misfire' code, upgrading to a new Jeep Grand Cherokee ignition coil set will prevent unburnt fuel from damaging your expensive catalytic converters.

Q: Are EVIL ENERGY Coils better than OE UF378 factory units?
A: Our coils are engineered as a performance upgrade. While factory units meet basic standards, the EVIL ENERGY 5.7 Hemi ignition coil provides +7% higher spark energy and a robust 65:1 turns ratio. This ensures your Ram 1500 ignition coil delivers more consistent power, especially during high-RPM driving or heavy towing.

Q: What are the symptoms of a failing ignition coil jeep grand cherokee?
A: Common signs include a 'Check Engine' light (Misfire codes), poor throttle response, and a noticeable 'hesitation' when accelerating. Replacing your old units with our ignition coil jeep grand cherokee restored the instant throttle snap and smooth power delivery the HEMI is known for.

Q: Will these coils fit the 'Dual Spark' 5.7L Hemi engines?
A: Yes. Our UF378 ignition coil Dodge Ram 1500 replacement is specifically designed for the 2003-2005 HEMI V8 engines that utilize two spark plugs per cylinder. It provides the precise timing and voltage required to fire both plugs efficiently in your Dodge Ram 1500 ignition coil setup.

Q: Can a bad 5.7 Hemi ignition coil cause high fuel consumption?
A: Definitely. A weak 5.7 Hemi ignition coil leads to incomplete combustion, wasting raw fuel in the cylinder. Upgrading to the EVIL ENERGY Coils optimizes fuel atomization, helping you recover lost miles per gallon and improving the overall efficiency of your Ram 1500 ignition coil.

Q: Are EVIL ENERGY Coils heat-resistant for heavy towing?
A: Yes. Towing creates intense heat soak in the Dodge Ram 1500 ignition coil area. Our coils are built with high-grade thermal materials and a 6.67k ohms secondary resistance to ensure stable operation and prevent 'limp mode' during heavy-duty hauling.

Q: Should I replace all 8 Dodge Ram 1500 ignition coils at once?
A: While you can replace just one 5.7 Hemi ignition coil, it is highly recommended to replace all eight. If one coil has failed due to age and heat, the others are likely close behind. A full set of EVIL ENERGY Coils ensures a balanced electrical load and long-term reliability for your Jeep ignition coil system.

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