KAX ignition coil and iridium spark plug kit for 2.0L VW & Audi — 5-pack coils + 5 iridium plugs, direct-fit replacement

KAX 5-pack ignition coils paired with 5 iridium spark plugs provide a complete, direct-fit ignition replacement for many 2.0L Volkswagen and Audi engines, restoring reliable sparks and smoother starts.

This all-in-one kit was engineered to match original equipment specifications for a wide range of VW and Audi 2.0L models. It combines high-voltage ignition coils with long-lasting iridium plugs so you can replace all firing components on five cylinders at once. The components are designed for a straightforward swap, eliminating guesswork and helping you maintain consistent engine performance without extra tuning.

Which vehicles will this KAX ignition set fit?

This kit covers numerous Volkswagen and Audi models fitted with 2.0L engines across different years and engine codes. Always verify with your vehicle VIN, engine designation, or the provided reference numbers to ensure compatibility before purchase.

• Common fits: Tiguan, Jetta, Passat, A4, A5, A6, Q3, Q5, Golf, GTI, Beetle, TT, Eos.
• Model years: Broad coverage from mid-2000s through late 2010s for many 2.0L variants.
• Engine codes: Compatible with CBFA/CCTA and other 2.0L designations—check your engine code.
• Reference cross-list: Includes OEM numbers such as 06H905601A, 06H905621, BKR7EIX and many alternatives.

How do these coils and plugs improve starting and throttle response?

The coils deliver a rapid high-voltage pulse (typically 0.1–0.2 second response) for quick, consistent ignition across cylinders. Matched with iridium plugs that sustain a focused spark, the set helps reduce hesitation and stabilizes combustion under varied driving conditions.

• Fast ignition: high-voltage coils for quicker spark delivery and consistent firing.
• Spark stability: iridium electrodes maintain strong sparks over long service life.
• Smoother operation: reduces misfires and idle roughness when installed correctly.
• Even power: consistent output across cylinders helps uniform engine performance.

Is installation difficult—what tools or steps are required?

Installation is designed to be direct-fit and user-friendly for anyone familiar with basic engine work. The coils match OEM mounting points, and the spark plugs are standard-thread replacements; you’ll primarily need common hand tools and torque specs for the plugs.

• Plug socket and ratchet plus extension for access to spark plug wells.
• Torque wrench to seat plugs to manufacturer-recommended torque values.
• Disconnect battery and work on a cool engine for safety.
• Plug wires/coil connectors are plug-and-play—unplug old, plug in new.

What reference numbers and part cross-references are included?

The kit lists numerous cross-reference numbers so you can confirm interchangeability with OEM or aftermarket parts. Use these references to match your vehicle’s current parts or to check compatibility with dealer listings.

• Common references: 06H905601A, 06H905621, 06H905621A and BKR7EIX.
• Additional codes: 55585517, 55576026, 98079571CV and many others for cross-checking.
• Helps when comparing with dealer part numbers or third-party catalogs.
• Reference list included in product details for VIN/engine-code verification.

Who this kit is for: This KAX 5-coil and 5-iridium-plug set is ideal for DIY mechanics, independent shops, and owners of VW/Audi 2.0L cars who want a complete, OEM-style ignition refresh. It’s best for vehicles experiencing misfire codes, inconsistent idle, or aged ignition components, and for anyone performing scheduled ignition maintenance who prefers replacing all firing components at once to ensure balanced performance.