2004-2006 STi (EJ257) Engine Connectors
A collection page of iWire Subaru Wiring Solutions
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2026/07/03
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Shop 2004-2006 STi (EJ257) engine connectors for USDM Subaru wiring repairs, engine harness service, and DIY projects. This collection includes individual replacement connector housings, connector kits with terminals and seals, prewired pigtails, and a full engine connector package for common STi engine sensors, solenoids, and engine bay components.