SKU: MMIG-WRX-0404 | UPC: 840197723982
Mishimoto 04-10 Subaru WRX/STI Ignition Coil – 4-Pack
This Mishimoto ignition coil 4-pack provides direct-fit replacement for 2004-2010 Subaru WRX STI Impreza models with EJ251 EJ253 EJ255 EJ257 engines plus Forester Legacy Outback Baja. Each coil measures 4.33 inches in length and restores strong spark to eliminate misfires rough idle poor mileage. Install with new spark plugs for refreshed ignition that supports stock power or modifications.
Key Features
- Direct Fitment: Bolts directly into 2004-2010 Subaru WRX STI engines and compatible chassis codes SG SH GD GG GE GH GR GV BL BP no modifications needed
- OEM Performance Match: Engineered and tested to match or exceed Subaru factory specifications for reliable spark delivery
- Performance Restoration: Enhances engine startup idle quality and overall power by eliminating weak spark issues
- Versatile Application: Delivers strong ignition for both stock daily drivers and tuned high-boost setups
- High-Temperature Durability: Phenolic resin outer shell resists heat degradation in demanding engine bays
Product Notes
- Replace all four coils together with spark plugs for complete ignition refresh
- Inspect wiring harness during install to prevent related electrical faults
- Ships in protective packaging to arrive ready for immediate installation
Installation Notes
- Professional installation recommended.
- Direct plug-and-play replacement disconnect battery unplug old coils install new ones torque to spec
- Compatible with factory wiring and mounting points no additional hardware required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2006 | Subaru | Baja | 2.5L H4 Sport Turbo |
| 2004-2010 | Subaru | Forester | 2.5L H4 X Sports XT X Limited Premium L.L. Bean XS |
| 2004-2010 | Subaru | Impreza | 2.5L H4 WRX STI WRX Limited Premium TR 2.5 GT 2.5i Outback Sport RS TS |
| 2004-2009 | Subaru | Legacy | 2.5L H4 GT 2.5i Limited i L L 35th Anniversary spec.B |
| 2004-2009 | Subaru | Outback | 2.5L H4 XT XT Limited 2.5i Limited Basic L.L. Bean i Base |
Why Choose Mishimoto?
- Proven track record in Subaru performance parts with direct OEM-level engineering
- Rigorous dyno and endurance testing ensures real-world reliability
- Lifetime warranty backs every coil against defects
Frequently Asked Questions
- Q: Does this fit 2004-2010 WRX STI with EJ257 engine?
A: Yes direct fit for all EJ251 EJ253 EJ255 EJ257 engines in 2004-2010 Impreza WRX STI Forester Legacy Outback Baja chassis SG through BP - Q: What material is used for the housing?
A: High-quality phenolic resin shell provides heat resistance and long-term durability in engine compartments - Q: What warranty comes with these coils?
A: Mishimoto Lifetime Warranty covers defects in materials and workmanship for the original purchaser
Shipping & Handling
- Method: UPS Ground or FedEx standard shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-padded box protects against transit damage
- Weight: 2.5 lbs per 4-pack
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