UF575 Ignition Coil & 1675 Double Iridium Spark Plug Kit - Reliable

In this review the UF575 ignition coil and 1675 double iridium spark plug kit is evaluated for owners of 2.0L Audi and Volkswagen engines who need a dependable OEM-style replacement. The bottom line: this kit delivers a straightforward swap-in fit and improved spark consistency that commonly resolves misfires and rough idle. Reviewers and installers note the coils fit like original equipment and the double iridium plugs offer long life and stable ignition, making this a practical repair option for routine maintenance or to restore engine smoothness.

Key Features

• Direct fit replacement: Designed to replace UF575 and related OEM numbers for quick installation with no modifications required.
• Double iridium spark plugs: The 1675 plugs provide long service life and consistent spark to improve cold-start performance and smoother running.
• Durable coil construction: Thermoplastic coil connectors and stainless-steel springs resist heat cycling and help maintain a reliable high-voltage transfer.
• Noise suppression: Internal ferrite suppressors reduce radiofrequency interference for cleaner electronics performance.
• Complete pack for four cylinders: The package includes four ignition coils and four spark plugs so you can replace an entire bank at once for balanced performance.
• OE compatibility: Matches or improves on original design to address misfires, loss of power, and poor fuel economy commonly caused by failing ignition components.

Who It's For

This kit is best for owners of 2.0L Audi and Volkswagen models listed in the product compatibility who want an OEM-style replacement without high dealer prices. It suits DIY mechanics and independent shops that prefer a full-bank replacement to eliminate intermittent misfires and restore smooth idling.

It is less appropriate for engines outside the specified applications or for owners who need motorsport performance plugs or coils tuned for higher output. Also, buyers who expect a printed instruction manual should note the package omits one, so basic mechanical experience or access to a repair manual is recommended.

Pros & Cons

Pros

• Good OEM fit and compatibility with many Audi and Volkswagen 2.0L models, reducing installation time.
• Double iridium spark plugs deliver longer life and consistent spark for improved fuel efficiency and cold starts.
• Coil design includes noise suppression and robust connector materials to resist thermal stress.

Cons

• Package does not include a printed instruction manual, so some installers will want reference documentation.
• Not intended for performance tuning applications where specialty coils or plugs are required.

Specifications

Our Verdict

The UF575 + 1675 kit is a sensible, cost-effective replacement for owners of the supported Audi and Volkswagen models who need to correct misfires, rough idle, or degraded fuel efficiency. It provides reliable OEM-style fitment, durable coil construction, and long-life double iridium plugs, making it good value for routine maintenance or a bank repair when one or more cylinders show ignition faults.

Frequently Asked Questions

Will these coils and plugs fit my 2012 Audi A4 2.0L?
Yes, the kit lists compatibility with 2005-2016 Audi A4 2.0L models and is intended as a direct replacement for the specified OEM numbers.

Does the package include installation instructions?
No, the kit contains the coils and plugs only; basic mechanical knowledge or a service manual is recommended for installation.

How does the double iridium plug help fuel economy?
The double iridium electrode offers a more consistent, stable spark over a longer life, which can improve combustion efficiency and contribute to better fuel economy.