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Subaru WRX STI Spark Plug Wires and Caps
This page brings together spark plug wires and caps for the Subaru WRX STI, covering model years 2013–2018. The range is centered on spark plugs, with options across several brands and construction styles. Pick your Subaru WRX STI's year above to narrow the list to spark plug wires and caps with confirmed fitment. Every part shown is checked against our vehicle data.
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What's here for your Subaru WRX STI
- Spark plugs in a variety of electrode materials and fitment styles for 2013–2018 Subaru WRX STI applications
The widest selection here comes from DENSO, NGK Spark Plugs, Brisk USA, and E3 Spark Plugs. Other categories Subaru WRX STI owners shop for: Subaru WRX STI Springs and Suspension Parts, Subaru WRX STI Shocks and Struts and Subaru WRX STI Manual Transmission Parts, or browse all Subaru WRX STI parts and accessories.