KacuYelin UF502 Ignition Coil & Iridium Spark Plug Kit, Set of 6 — Direct-fit for 3.5L/4.0L Dodge & Chrysler models

This complete kit combines six high-performance ignition coils with six long-life iridium-tipped spark plugs designed to match OEM fit and function. Built with durable materials and precision manufacturing, the set aims to improve ignition reliability, reduce misfires, and maintain consistent combustion for compatible 3.5L and 4.0L engines. The components are produced in TS16949-certified facilities and are intended as direct replacements for part numbers including UF502 and related OEM references.

Which vehicles and engines does this kit fit?

The KacuYelin UF502 kit covers a range of Chrysler, Dodge and Volkswagen models that used the 3.5L or 4.0L V6 engines between 2006 and 2011. Fitment includes Avenger, Challenger, Charger, 300, Sebring, Town & Country, Pacifica, Journey, Magnum, Nitro and the VW Routan, but always confirm year, engine size and submodel before ordering.

• Dodge: Avenger (2008–2010 3.5L), Challenger (2009–2010 3.5L), Charger (2006–2010 3.5L), Journey (2009–2010 3.5L), Magnum (2006–2008 3.5L), Nitro (2007–2011 4.0L).
• Chrysler: 300 (2006–2010 3.5L), Pacifica (2007–2008 4.0L), Sebring (2007–2010 3.5L), Town & Country (2008–2010 4.0L).
• Volkswagen: Routan (2009–2010 4.0L).
• Cross-check with your VIN or vehicle selector to ensure exact compatibility.

How do the ignition coils and iridium plugs improve engine performance?

The coils use high-purity copper windings and a robust silicon-steel core to produce steady high-voltage output, while the iridium plugs focus the spark for efficient combustion. Together they reduce misfires, stabilize idle and support cleaner burning of fuel under most driving conditions.

• Coils: corrosion-resistant epoxy encapsulation and precision winding for reliable spark delivery.
• Spark plugs: 360° laser-welded iridium tip and high-density ceramic for concentrated sparks.
• Expected benefits: smoother starts, fewer ignition faults, and more consistent throttle response.

What are the durability and materials details I should know?

Materials and processes were chosen to extend service life and resist harsh under-hood conditions. The coils are built with heat-resistant resins and anti-oxidation finishes, while the plugs use high-alumina ceramic insulators and a high-nickel content electrode to resist wear.

• Iridium electrodes manufactured with cold-extrusion and continuous laser welding for long-term stability.
• Plugs use >95% alumina ceramics for thermal and electrical insulation.
• Coils produced with premium copper windings and protective coatings against corrosion.

Is installation straightforward and what should I check before buying?

This kit is designed for direct, bolt-in replacement where the OEM part numbers match; basic hand tools and standard automotive experience are typically sufficient for installation. Before purchasing, verify your vehicle’s year, engine displacement and model variant against the listed fitment to avoid incorrect fitment.

• Direct plug-and-play design when matched to correct OEM references.
• Confirm Year, Brand, SubModel and Liter in fitment tool or VIN lookup.
• Inspect connectors and boots during installation for secure electrical contact.

Who is this for? This KacuYelin UF502 ignition coil and iridium spark plug set is aimed at owners and mechanics who need a reliable, OEM-compatible replacement for ignition system components on mid-2000s Chrysler- and Dodge-based 3.5L/4.0L engines, plus technicians servicing the Volkswagen Routan with the same powerplant. It suits DIYers who want a ready-to-install kit and professional shops seeking parts produced in certified manufacturing lines. If you require exact fitment confirmation or have questions about compatibility, provide your vehicle details to ensure the correct selection.