Walker 590-1081 Engine Variable Valve Timing (VVT) Solenoid

Walker 590-1081 VVT Solenoid Overview

Walker Products 590-1081 is an engine variable valve timing (VVT) solenoid built for precise oil-flow control in the valvetrain system. It is a direct-fit replacement for select Subaru applications, including the 2006-2007 Subaru B9 Tribeca, rear right location.

Walker Products has supplied automotive fuel system and engine management components since 1946, with manufacturing and engineering support focused on OE-level specifications. The Walker Products line includes engine sensors and related management parts for repair work that demands accurate fitment and dependable electrical connections.

Key Features

• Engine variable valve timing (VVT) solenoid for timing control
• Walker Products part number 590-1081
• Black oval female connector for a secure electrical interface
• Metal housing for durability in engine-bay conditions
• 1 mounting hole for application-specific installation
• 2 male terminals
• Fits 2006-2007 Subaru B9 Tribeca, rear right

Detailed Description

The Walker 590-1081 VVT solenoid helps regulate oil pressure to the variable valve timing system so the engine can adjust cam timing as commanded by the control module. This part is specified with a black oval connector, female connector gender, metal housing, and a single mounting point, making it important to match the original connector style and mounting layout during replacement. For Subaru B9 Tribeca repair work, the 590-1081 is listed for 2006-2007 models in the rear right position.

This part cross-references Dorman OE Solutions 916-903 for the same application.

What It Helps Address

• Check engine lights related to VVT system performance
• Rough idle caused by cam timing control issues
• Reduced engine response from delayed valve timing adjustment
• Oil-control faults affecting variable valve timing operation
• Driveability concerns tied to a failing VVT solenoid

Installation Notes and Tips

Verify connector shape, terminal style, and mounting-hole layout before installation. On the 2006-2007 Subaru B9 Tribeca, confirm the rear right location and compare the original part number, connector color, and housing style to the replacement unit. Clean the mounting surface and inspect the electrical connector for corrosion or damaged terminals before reconnecting.

Quality Assurance

Walker Products states that its engine management components are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with in-house manufacturing, product management, engineering, and technical support used to maintain application accuracy and product quality.