Walker 590-1003 Engine Variable Valve Timing (VVT) Solenoid

Walker Products 590-1003 VVT Solenoid Overview

Walker Products 590-1003 is an engine variable valve timing (VVT) solenoid built for Toyota applications that use an integrated oil control valve design. It is a direct-fit engine management component for restoring proper cam timing control in supported Corolla, Matrix, Celica, and MR2 Spyder models.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on OE-level specifications. The Walker Products line emphasizes accurate vehicle applications and technical support for aftermarket repair work.

Key Features

• Engine variable valve timing (VVT) solenoid for Toyota engine management service
• Black connector with rectangular shape for a factory-style electrical connection
• 1 connector, 2 terminals, female connector gender, male terminal gender
• Blade terminal type for OE-style harness interface
• Metal housing for durable underhood use
• 1 mounting hole for secure installation
• Walker Products part number 590-1003

Detailed Description

This VVT solenoid helps control oil flow to the variable valve timing system, which is critical for maintaining proper engine timing response. It is listed for 2002-2005 Toyota Corolla, 2007-2008 Toyota Corolla, 2003-2005 Toyota Matrix, 2007-2008 Toyota Matrix, 2002-2005 Toyota Celica, and 2002-2005 Toyota MR2 Spyder. For 2006 Toyota Corolla and 2006 Toyota Matrix, the notes specify compatibility with an integrated Oil Control Valve for the Engine Variable Valve Timing (VVT) Solenoid. Walker Products 590-1003 is a practical replacement choice when servicing Toyota Corolla, Toyota Matrix, and related VVT-equipped engines.

This part cross-references Dorman OE Solutions 917-019 and Gates VVS112 for the same application.

Common Issues This Part May Address

• Check engine light related to VVT solenoid performance
• Rough idle caused by inconsistent cam timing control
• Reduced engine response during acceleration
• Oil control valve or VVT actuator operation concerns
• Timing-related drivability issues on Toyota Corolla, Matrix, Celica, and MR2 Spyder applications

Installation Notes and Tips

Verify connector style, terminal layout, and mounting point before installation. Confirm the vehicle’s engine configuration and note the 2006 Corolla and 2006 Matrix applications that reference an integrated Oil Control Valve. Inspect the electrical connector and surrounding oil passages during service to help ensure proper operation after replacement.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation, and operates as an ISO 9001/IATF16949 certified company.