X4XZ Ignition Coil & Double Iridium Spark Plug Kit — 4-Pack for 2.4L Honda/Acura, OE-Equivalent

X4XZ UF602 ignition coil and 97390 double iridium spark plug kit is a four-pack replacement designed to restore reliable spark delivery and longer-lasting combustion performance for compatible 2.4L Honda and Acura engines.

This kit bundles four ignition coil packs (OE-equivalent UF602) with four 97390 double iridium spark plugs, engineered to match or exceed original equipment form and fit. It’s built for drivers who need a direct-replacement service part that installs without modifications and aims to reduce misfires, rough idling, and inconsistent starts. Materials and design focus on durability, stable spark delivery, and resistance to thermal and electrical stress.

Which vehicles fit this X4XZ coil and spark plug kit?

The kit targets Honda and Acura models equipped with 2.4L inline-four engines from around 2008–2015. Always cross-check part numbers and your vehicle’s service manual before purchase to confirm fitment.

• Common fits: 2008–2012 Honda Accord 2.4L L4
• Also compatible with: 2010–2014 Honda CR-V, 2012–2015 Honda Civic SI, 2012–2015 Honda Crosstour, 2013–2015 Acura ILX
• OE references included: UF602, 5C1719, C1662
• Other OEM replacements: 30520-R40-007, 30520-RL5-A01, 97390

How do these coils and plugs improve engine behavior?

Replacing worn coils and plugs can restore consistent spark timing and energy, which often reduces misfires and yields smoother running between idle and acceleration. The double iridium plugs are designed for a longer service life and consistent arc stability under varying conditions.

• Double iridium tips extend longevity up to expected high mileage intervals
• Coil design uses stainless-steel spring and ferrite noise suppression for stable ignition
• Thermoplastic connectors resist heat-related cracking and ensure secure electrical contact
• Direct-replacement footprint for straightforward installation

What should I expect during installation and maintenance?

Installation is typically plug-and-play for technicians and experienced DIYers familiar with spark-plug and coil replacement on Honda 2.4L engines. No special tools beyond basic hand tools and a torque wrench are required; follow torque specs and gap checks described by your vehicle manufacturer.

• Package contains: 4 ignition coils + 4 double iridium spark plugs
• No printed manual included — use factory service procedures or online guides
• Check spark plug gap and torque to manufacturer specs during installation
• Inspect harness connectors and boots for wear when replacing coils

What build features support reliability and performance?

The product blends materials that resist electrical interference, thermal cycling, and mechanical stress to help maintain consistent spark events. The design choices aim at dependable operation across common driving conditions without claiming engine performance guarantees.

• Double iridium electrodes for consistent, long-life sparking
• Internal ferrite noise suppressor to limit radio-frequency interference
• Durable thermoplastic coil connector to handle temperature cycles
• Stainless-steel spring for improved electrical contact and longevity

Who is this for: This X4XZ kit is suited to owners and technicians working on mid-2000s to mid-2010s Honda and Acura 2.4L engines who want an OE-style replacement set that balances durability and cost. It’s ideal for addressing ignition-related drivability issues like misfires or rough idle, or as preventive maintenance when servicing high-mileage vehicles. If you need exact vehicle fitment, compare the OE numbers listed to your VIN-specific parts information before ordering.