Subaru Ignition Coil Spark Plug Kit Forester Impreza Legacy Outback
Key Features
- Includes:
- UF724 Ignition Coil(s)
- 93501 Double Iridium Spark Plug(s)
- Replaces:
- UF721
- SU003-00417
- FK0438
- C974
- 5C1899
- Double iridium spark plug design for long service life
- Designed to meet or exceed OEM specifications
- High-quality materials for stable performance and reliability
- Direct-fit replacement for easy installation
Vehicle Compatibility
Compatible with:
- Subaru Forester → 2014–2016 H4 2.5L
- Subaru Impreza → 2013–2015 H4 2.0L
- Subaru Legacy → 2013–2014 H4 2.5L
- Subaru Outback → 2013–2014 H4 2.5L
- Subaru XV Crosstrek → 2013–2014 H4 2.0L
Compatible with FA20 and related Subaru boxer engine applications.
✔Superb Function: Fixes common ignition system failures such as backfiring, misfires, stalling, engine jerking, poor idling and restores power for peak engine performance, check engine lights for circuit malfunction and hard stalling.Each and every ignition coil and spark plug either matches or improves at the OE design to make sure fast and easy installation with superior imaginable performance and dependability.
Fixes Common Ignition Problems
This ignition kit helps correct:
- Engine misfires
- Rough idle
- Hesitation and jerking
- Hard starting
- Backfiring
- Loss of power
- Check engine lights related to ignition circuits
Basically, your Subaru stops acting offended every time you accelerate.
✔Fine quality: Ignition coil and double iridium spark plug are designed and produced under high standards, with premium materials, so as to meet or exceed OEM specifications. Stable performance, high reliability, suitable for replacing your broken one.
Performance Benefits
Replacing worn ignition components restores:
- Smooth idle quality
- Improved throttle response
- Better combustion efficiency
- Stable ignition performance
- More reliable cold starts
Your boxer engine finally feels healthy again.
✔OE# UF724+93501. Replace# UF721, SU003-00417, FA20, FK0438, C974, 5C1899. Package included: Ignition Coil Packs x4, Double Iridium Spark Plug x4. Not included instruction manual, easy to install. If you are unsure if your Subaru coil or ignitor is bad, this replacement unit comes complete with spark plugs.
UF724 Ignition Coil and Iridium Spark Plug Kit Subaru Forester Impreza FA20
Why Double Iridium Matters
Double iridium spark plugs offer:
- Longer service life
- Improved spark consistency
- Better heat resistance
- Enhanced durability under load
Because changing Subaru spark plugs isn’t exactly everyone’s favorite weekend activity.
Installation Notes
- Direct-fit replacement
- Recommended to replace coils and plugs together
- Basic hand tools required
(Subaru spark plug access still enjoys testing human patience.)
✔After-Sales Service: We provide 24 hours customer service and 1 year product service, If you’re encounter product installation, product quality and other problems, please feel free to contact us.
No giant horsepower gains.
But restoring a healthy ignition system makes your Subaru smoother, stronger, and dramatically more reliable—which honestly matters way more.






There are no reviews yet.