BDFHYK UF270 ignition coil and 4504 iridium spark plug set

UF270 ignition coil set for compatible Dodge Dakota 3.7L V6 applications

UF270 ignition coil set for compatible Dodge Durango 3.7L V6 applications

4504 iridium spark plug and UF270 ignition coil replacement set

BDFHYK 6-coil 6-plug ignition set for compatible Dodge Ram 1500 3.7L V6

UF270 ignition coil replacement references 56028138 and UF-270

BDFHYK ignition coil and spark plug set for compatible Dodge Nitro 3.7L V6

BDFHYK Ignition Coil UF270 and Iridium Plugs 4504 For Dodge Dakota Durango Nitro Ram 1500 3.7L V6, Sets of 6

$68.99

Product Detail

Type Ignition Coil + Spark Plug Set
SKU BDDLZ-BD-05-01903-CK
OE Number Coil: 56028138, 56028138AB, 56028138AD, 56028138AE, 56028138AF, 56028138BA, UF297, UF-270, IC243, UF-399, C1231, 5C1114
OE Number For Spark plug:4504, PK20TT

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BDFHYK UF270 ignition coil and 4504 iridium spark plug set includes 6 ignition coils and 6 spark plugs for compatible 3.7L V6 applications. Listed Dodge applications include Dakota, Durango, Nitro, and Ram 1500. Confirm the exact year, model, engine, connector design, and replacement references before installation.

Product Details

Brand: BDFHYK
Product Type: Ignition Coil + Iridium Spark Plug Set
Package: 6 ignition coils + 6 spark plugs
Ignition Coil Reference: UF270
Spark Plug Reference: 4504

Fitment Check

Current product applications include compatible Dodge Dakota, Durango, Nitro, and Ram 1500 3.7L V6 configurations, with additional listed Jeep and Mitsubishi applications. Match the exact vehicle, engine, connector, coil body, boot profile, and reference numbers before installation.

Reference Numbers

Ignition coil comparison references include 56028138, 56028138AB, 56028138AD, 56028138AE, 56028138AF, 56028138BA, UF297, UF-270, IC243, UF-399, C1231, and 5C1114. Spark plug references include 4504 and PK20TT.

Diagnosis Before Replacement

A misfire code is a starting point for diagnosis, not proof of a failed coil. Check the affected cylinder, plug condition, connectors, wiring, fuel delivery, intake leaks, compression, timing, and other relevant engine conditions before replacing parts.

Installation Notes

Compare each replacement coil and plug with the removed parts.
Inspect spark-plug wells for oil, moisture, corrosion, or debris.
Confirm connector retention and boot condition before installation.
Use vehicle-specific service information for spark-plug specification, gap, torque, and access procedures.

Replacement Planning

Replacing one component or a complete set should follow diagnosis, component condition, service history, labor access, and exact engine requirements. There is no universal ignition-coil replacement interval.

After Installation

If a misfire remains after installation, recheck fitment, connector seating, plug installation, and the affected cylinder before continuing diagnosis of wiring, fuel, air, compression, timing, or other mechanical conditions.

Technical Specifications

Brand	BDFHYK
Product Type	Ignition Coil + Iridium Spark Plug Set
Ignition Coil Quantity	6
Spark Plug Quantity	6
Ignition Coil Reference	UF270
Spark Plug Reference	4504
Primary Applications	Dodge Dakota, Durango, Nitro, Ram 1500; 3.7L V6 — confirm exact fitment

Difficulty Moderate

Estimated Time 0.5–1 hour

Tools Required

Screwdrivers
Service manual specific to your vehicle
Socket set and ratchet
Wrenches

Pre-Installation Checklist

Stop the engine before disassembling or replacing the ignition coil.
Check the spark plugs and spark plug wires as part of diagnosis.
Keep the installation area clean and dry.
Make sure the ignition coil connections are correct.
Refer to the service manual for your specific vehicle because removal order and connector or fastener details can vary by make and model.
Disconnect the negative battery cable before working on the ignition system.

Installation Steps

Disconnect the battery. Remove the negative battery cable by loosening the clamp bolt with a socket or wrench.
Locate the ignition coils on top of the engine. They may be attached to the engine block or surrounding components.
Disconnect and remove the old ignition coil. Remove the mounting bolts or screws and disconnect the electrical connector(s). The order can vary by vehicle, so follow the vehicle-specific service manual. Remove the old coil once fully disconnected.
If one coil serves multiple spark plugs and has multiple electrical connections, mark or label the connectors so they can be reattached to the correct terminals.
Install the new ignition coil in the reverse order of removal. Secure the mounting bolts or screws and reconnect the electrical connector(s) in the correct positions.
Reconnect the negative battery terminal. Hand-tighten the connection, then tighten the terminal bolt with a socket or wrench. Do not over-tighten.
Close the hood, start the engine with the vehicle in Park, and confirm it starts and idles normally. If it does, test-drive the vehicle.

Post-Installation Verification

Confirm the new ignition coil is securely mounted.
Confirm all electrical connectors are connected to the correct terminals.
Confirm the negative battery terminal is reconnected and tightened sufficiently without over-tightening.
Start the engine in Park and confirm it starts and idles normally.
If idle is normal, test-drive the vehicle and check for remaining misfire or drivability symptoms.

Troubleshooting

Spark plug and wire checks from the manual:
With the engine running, disconnect spark plug wires one at a time and observe engine-speed or roughness changes; the manual states that no significant change can indicate a bad spark plug.
The manual describes checking for spark by holding the end of a disconnected spark plug wire near a metal surface and looking or listening for a spark or cracking sound.
While the engine is cranked, check for spark at each spark plug wire; the manual states that no spark can indicate a dead wire.
Make sure battery, ignition, coil, and spark-plug wire connections are secure. Wiggle connections and retest if a loose connection is suspected.
Keep spark plug ends clean and free of dirt, oil, or grease; clean and retest before replacing a plug.
Inspect wires for cracked, cut, scraped, or burned insulation. Check boots and terminals for damage, corrosion, or poor contact.
Check for corrosion between the boot, spark plug, and ignition coil, and inspect the spark plug for discoloration or damage.
Inspect spring clips and wire retention at the distributor and spark plug ends to make sure connections are held securely.
Ignition coil failure can cause one or more cylinders to misfire, stuttering, sluggishness, and other drivability issues.

BDFHYK Ignition Coil Installation Guide

Q: Which Dodge applications are listed for this UF270 set?

A: Primary listed applications include compatible Dodge Dakota, Durango, Nitro, and Ram 1500 3.7L V6 configurations. Confirm the exact year and engine before installation.

Q: How many ignition coils and spark plugs are included?

A: The set includes 6 ignition coils and 6 iridium spark plugs.

Q: Which ignition coil references can I compare?

A: UF270 is the primary reference. Comparison numbers include 56028138, 56028138AB, 56028138AD, 56028138AE, 56028138AF, 56028138BA, UF297, UF-270, IC243, UF-399, C1231, and 5C1114.

Q: Which spark plug references are listed?

A: The listed spark plug references include 4504 and PK20TT.

Q: Does a misfire code prove the coil is faulty?

A: No. A misfire code is a starting point for diagnosis and can also involve plugs, wiring, fuel delivery, air leaks, compression, timing, or other conditions.

Q: Should all six coils be replaced together?

A: Replacement scope should follow diagnosis, component condition, service history, labor access, and the exact engine rather than a universal replace-all rule.

Q: Should spark plugs be checked during coil replacement?

A: Yes. Inspect plug condition, wear, fouling, damage, and the correct specification for the exact engine.

Q: What if there is oil or moisture in a plug well?

A: Correct the contamination before evaluating the replacement ignition parts because oil, moisture, corrosion, or debris can affect the connection.

Q: What if the misfire remains after installation?

A: Recheck fitment, connector seating, plug installation, and the affected cylinder, then continue diagnosis of wiring, fuel, air, compression, timing, or other causes.

Q: Is there a universal ignition-coil replacement interval?

A: No. Replacement should follow diagnosis, condition, service history, and vehicle-specific service information.

Returns & Refunds

We accept returns within 30 days of delivery for eligible items. If the product is unused and in original condition, you may request a return according to our refund policy. Full policy details: View Refund Policy . We recommend contacting our support team before initiating a return to ensure the fastest resolution.

Customer Support

If you purchased the wrong part, received an incompatible item, or need installation assistance, please contact us directly.

Email: service@bdfhyk.com

Business Hours:

Mon–Fri 9:00–18:00 (GMT+8)

Mon–Fri 19:00–04:00 (UTC−6 / CST)

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