Ignition Coil Pack UF648 and Iridium Spark Plug 97390 Set

In this review of the BDFHYK ignition coil pack UF648 paired with iridium spark plug 97390, the bottom line is practical: this is a budget-friendly replacement set for owners of compatible Jeep, Dodge, Chrysler, and Ram vehicles who need straightforward parts that restore engine responsiveness. The reviewer found the set most useful when replacing worn components after long service life, and highlights fitment accuracy and durable coil construction as the main reasons to consider this kit as a maintenance purchase.

Key Features

• Compatibility: The set fits a wide range of vehicles including Jeep Grand Cherokee, Wrangler, Cherokee, Dodge Charger, Grand Caravan, Journey, Chrysler 200 and 300, and Ram 1500 over the model years listed, making it suitable for common engine swaps and maintenance.
• Coil construction: Coil packs use silicon steel, Japan-imported rubber, and Germany-imported varnished wire, which aims to improve longevity and resist heat-related degradation compared with cheaper assemblies.
• Spark plug design: Iridium electrodes and a high-quality ceramic insulator deliver faster starts and stronger spark energy, which can help with acceleration and reduced misfires when fresh plugs are installed.
• OE cross-check: The listing provides multiple OE references such as UF648 and 97390 to help buyers confirm correct replacement for their vehicle prior to purchase.
• Service life guidance: The manufacturer recommends replacing coils and plugs after extended use or symptoms like shaking, slow starts, or increased fuel use, which helps owners prioritize maintenance.

Who It's For

This kit is for DIY mechanics and independent shops working on the specific Jeep, Dodge, Chrysler, and Ram models listed who want an economical replacement option that matches original equipment references. It is especially useful for vehicles with higher mileage showing ignition-related symptoms such as rough idle, reduced acceleration, or poor starting.

Owners who need brand-name dealer parts, laboratory-tested racing plugs, or vehicles outside the stated compatibility should look elsewhere. Also, anyone who cannot verify OE cross numbers or confirm fit from the vehicle picture list will need to confirm compatibility before buying.

Pros & Cons

Pros

• Good fit for the listed model years and engines when OE numbers match, reducing installation hassle.
• Durable coil materials specified to resist heat and lengthen service life compared with generic coils.
• Iridium spark plugs promote reliable starts and sustained performance after replacement.
• Cost-effective set for replacing multiple ignition components at once.

Cons

• Spark plug installation experience is mixed among customers, so some users may find fit or thread differences that require care.
• Buyers must verify OE numbers and fitment carefully before purchase to avoid mismatch.

Specifications

Brand	BDFHYK
Included parts	Ignition coil UF648 (set of 6) and iridium spark plug 97390
Compatible vehicles	Jeep, Dodge, Chrysler, Ram models listed for 2011-2020 years
Coil materials	Silicon steel, Japan rubber, Germany varnished wire
Spark plug type	Iridium electrode with ceramic insulator
OE references	UF648, UF-648, 0221504032, 97390 and others shown in details

Our Verdict

The BDFHYK coil and spark plug set is a sensible value choice for owners of the listed Jeep, Dodge, Chrysler, and Ram models who need a practical replacement to restore starting and performance. With specified coil materials and iridium plugs, it delivers tangible durability and improved ignition compared with worn originals, provided buyers confirm OE fitment before installation.

Frequently Asked Questions

Will this set fit my vehicle?
Check the OE part numbers and the detailed fitment list in the product images to confirm compatibility with your specific model and engine.

Are these the same as original equipment?
The parts list includes OE cross references such as UF648 and 97390; buyers should verify those numbers against their vehicle for an OE-equivalent replacement.

When should I replace coils and plugs?
If your car shows symptoms like shaking, slow starts, or increased fuel consumption after long use (over about 80,000 km), replacing coils and plugs is recommended.