HYR Set of 4 Ignition Coil Pack and Iridium Spark Plugs - Reliable Fit

In this review the HYR Set of 4 Ignition Coil Pack and Iridium Spark Plugs is evaluated for owners of Honda and Acura L4 engines who need a direct replacement kit. The bottom line: this kit is for drivers seeking a complete ignition refresh that matches common OE numbers and aims to restore smooth idling and responsive starts. The reviewer found installation straightforward on compatible models and noticed improved combustion quality thanks to high-voltage coils and iridium electrodes.

Key Features

• Direct Fit Compatibility: The kit lists compatibility with many Acura and Honda L4 models from 2002 to 2011, making it a practical choice for owners of CSX, RSX, Accord, Civic Si, Element and CR-V engines.
• OE Reference Match: Replacement for common ignition coil numbers such as 30520PNA007 and spark plug references like UF311 ensures these parts are intended to match factory fit and function.
• High Voltage Coils: Coils are built with copper wire and higher coil turns to generate 35,000+ volts, which promotes more complete combustion and can reduce emissions.
• Iridium Spark Plugs: Spark plugs use iridium center electrodes for faster response and longer wear life, which can help cold starts and reduce idle shaking.
• Complete Kit: Package contains four ignition coils and four iridium spark plugs, allowing a full-bank replacement without mixing old and new components.

Who It's For

This kit is aimed at DIY mechanics and independent shops working on Honda or Acura L4 engines from the covered model years who want a single-purchase solution to replace both coils and plugs together. It suits owners who prefer matching OE reference numbers and want parts that emphasize combustion efficiency and longevity.

Those who should look elsewhere include drivers with nonlisted engine codes or later-generation vehicles that require different coil or plug designs. Also, if a specific OEM branded part or dealer-installed warranty is required, this aftermarket set may not meet that need.

Pros & Cons

Pros

• Complete four-coil and four-plug kit simplifies a bank service and ensures matched components.
• High-performance coils with increased turns deliver strong spark energy for improved combustion.
• Iridium plugs offer durability and faster ignition response, which helps cold starts and smoother idle.
• Matches several common OE numbers for straightforward replacement on supported Honda/Acura models.

Cons

• Power improvements reported by users are mixed, so expect gains to vary by vehicle condition and tune.
• Fitment is limited to specific 2002-2011 L4 applications and is not universal across all Honda/Acura engines.

Specifications

Our Verdict

The HYR set is a sensible value for owners of compatible Honda and Acura L4 vehicles who want a matched coil and plug replacement to improve combustion and reliability. It covers many common OE references, offers durable iridium plugs and higher-output coils, and is a cost-effective way to address misfires, idle shake or cold-start issues when fitment matches.

Frequently Asked Questions

Will these fit my Accord 2.4L?
They are listed for Accord 2.4L from 2003-2007; confirm your engine code and OE numbers match before purchase.

Do the coils produce noticeably more spark energy?
Coils are specified with higher turns and copper wire to generate 35,000+ volts for more complete combustion, though perceived power gains vary by vehicle.

Are spark plugs long-lasting?
Yes, the iridium center electrodes are designed for longer wear and improved cold-start response compared with standard plugs.