Ignition Coil Pack UF491 & Iridium Spark Plugs 4-set
Coil packs and spark plugs compatible with multiple GM vehicles. Improves engine performance with easy installation, though some users report fit issues. Reacts to corrosion in some cases
Highlights
- set of 4 for convenience
- silicon steel + japan rubber
- OE checking recommended
Pros
- High quality coil packs material
- Includes silicon steel and Japan-imported rubber
- Cross-vehicle compatibility listed
- 12 months warranty and after-sales service
Cons
- Mixed fit for some vehicles
- Some reports of corrosion
Best For
Features
- Ignition coil UF491 and spark plug 12578224 compatibility across multiple GM vehicles
- Coil packs use silicon steel body with Japan-imported rubber and Germany-imported varnished wire
- Iridium spark plug with ceramic design for durable performance and quick starts
- Includes fitment references and OE part checks to ensure proper compatibility