2002 2003 2004 2005 2006 Acura RSX Base 2.0L DOHC VTEC Engine JDM K20A3 OEM

Revive your Acura RSX with this high-quality JDM 2002-2006 Acura RSX Base 2.0L K20A3 Engine. Sourced from low-mileage Japanese donor vehicles, this genuine Honda/Acura power plant is the ideal replacement for a blown, high-mileage, or underperforming unit. Built with the reliable DOHC i-VTEC valvetrain, this engine offers a perfect balance of fuel efficiency and crisp throttle response that defined the RSX platform. Each unit is hand-selected and compression-tested to ensure factory-spec performance. Whether you are performing a budget-friendly restoration or replacing a failed motor, this JDM-spec K20A3 is the most reliable path to getting your RSX back on the road.

Vehicle Specifications

• Year Range: 2002, 2003, 2004, 2005, 2006

• Make & Model: Acura RSX Base (DC5 Chassis)

• Engine Code: K20A3 (2.0L DOHC 16-Valve)

• Performance Tech: i-VTEC (Intelligent Variable Valve Timing and Lift Electronic Control)

• Configuration: Inline 4-Cylinder

• Origin: Japan (Genuine OEM Japanese Domestic Market Import)

• Condition: Premium Used Performance Import (Compression tested, leak-down verified, internal components inspected, and verified low-mileage operation)

Vehicle Fitments

• Direct US-Spec Replacement: 2002-2006 Acura RSX Base (DC5).

• Compatibility: Designed as a direct bolt-in replacement for the K20A3 engine platform.

• Fitment Note: This engine is a direct swap for both automatic and manual transmission configurations. Ensure your existing engine wiring harness, sensors, and ECU are retained for a seamless, plug-and-play installation.

Included Parts

• Engine Assembly: Complete K20A3 long-block with intake manifold, fuel rail, and injectors

• Ancillaries: Alternator, power steering pump, A/C compressor, and ignition coil packs

• Sensors: Integrated engine sensor suite (Crank, Cam, and MAF sensors)

• Valve Cover: Factory Acura i-VTEC valve cover assembly