X4XZ UF648 Ignition Coil & 97390 Double-Iridium Spark Plug Kit — 6-Pack for 3.6L Pentastar, Direct-Fit Long-Life

Complete six-pack ignition coil and double-iridium spark plug kit designed to restore reliable spark and smoother running for 3.6L Pentastar engines.

This X4XZ UF648 + 97390 kit bundles six ignition coils with six double-iridium spark plugs engineered for direct replacement of worn OEM components on a wide range of Chrysler, Dodge, Jeep, Ram and Volkswagen models that use the 3.6L engine. The coils are built with heat-resistant connectors and noise suppression features, while the double-iridium plugs offer a long service life and consistent ignition performance.

Which vehicles and engines will this kit fit?

This kit is formatted for 3.6L Pentastar applications across multiple model years. Always verify the engine code and part numbers before purchasing to confirm fitment for your VIN.

• Ram: 2013–2018 Ram 1500 3.6L, 2019–2024 Ram 1500 Classic 3.6L, 2012–2015 Ram C/V 3.6L, ProMaster 1500/2500/3500 (2014–2021) 3.6L
• Chrysler: 2011–2017 200 3.6L, 2011–2023 300 3.6L, Town & Country 2011–2016 3.6L
• Dodge/Jeep/Volkswagen: Select Challenger, Charger, Avenger, Durango, Grand Caravan, Journey, Grand Cherokee, Wrangler, Cherokee and Routan models listed in product details
• OE cross-references: UF648 + 97390 compatible; replaces common OEM numbers listed in product page

How does this kit improve engine performance and drivability?

Replacing aging coils and plugs removes common causes of misfires, rough idle and reduced throttle response. The upgraded materials and tighter manufacturing tolerances help deliver a steadier, more reliable spark under varied operating conditions.

• Double-iridium plugs provide a fine, durable electrode for consistent ignition
• High-temp coil connectors resist cracking and ensure secure electrical contact
• Internal ferrite suppressor reduces radio interference and electrical noise
• One-for-one dimensions simplify swap-in replacement without modification

What are the build quality and longevity expectations?

These ignition coils and double-iridium plugs are made from corrosion-resistant materials and thermal-stable plastics to withstand engine bay heat cycles. The plugs are designed for extended service life compared with conventional designs, and coils include features meant to reduce mechanical stress and electrical wear.

• Double-iridium spark plugs rated for long operational life and steady spark
• Stainless-steel spring and ferrite noise suppressor in coil assemblies
• Thermoplastic connector resists heat-related fracture and preserves connection
• Manufactured to match or exceed OE dimensions for straightforward installation

What comes in the box and what support is available after purchase?

The package contains six ignition coil packs and six double-iridium spark plugs, enough to service one 6-cylinder cylinder head. There is no printed manual included, but the parts are designed for direct replacement; X4XZ provides responsive customer support if you need help with fitment or installation questions.

• Included: Ignition Coil Packs ×6, Double Iridium Spark Plug ×6
• Referenced OE#: UF648 + 97390; replaces multiple OEM part numbers
• Customer service: 24-hour contact and 1-year product coverage from X4XZ
• Installation: simple one-to-one swap — follow vehicle repair procedures and torque specs

Who is this for: This kit is aimed at owners, technicians and DIY enthusiasts who need a full ignition set for 3.6L Pentastar engines — ideal when diagnosing persistent misfires, restoring throttle response after long service intervals, or performing scheduled maintenance. If your vehicle is within the listed fitment range and showing ignition-related symptoms, this X4XZ six-pack is a cost-effective, direct-replacement option engineered for longevity and dependable performance.