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Scion xA Emission Control Sensors
This page covers emission control sensors for the Scion xA, spanning the 2004–2006 model years. The range includes oxygen sensors, mass air flow sensors, knock sensors, and throttle position sensors in direct-fit and OE replacement forms. Select your year above and we'll show only the emission control sensors that fit your Scion xA. Fitment is checked against our vehicle data for every part listed.
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What's here for your Scion xA
- Oxygen sensors — direct-fit and OE replacement units for upstream and downstream positions
- Mass air flow sensors — direct-fit and remanufactured options
- Ignition knock (detonation) sensors — OE-style replacement pieces
- Throttle position sensors — direct-fit and universal fitment styles
The widest selection here comes from Walker Products, NTK Oxygen Sensors, DENSO, and Standard Motor Products. Other categories Scion xA owners shop for: Scion xA Springs and Suspension Parts, Scion xA Brake Hardware and Scion xA Brake Service Kits, or browse all Scion xA parts and accessories.