Walker 590-1071 Engine Variable Valve Timing (VVT) Solenoid - Left

Walker 590-1071 VVT Solenoid Overview

Walker Products 590-1071 is an engine variable valve timing (VVT) solenoid built for direct-fit service on select Toyota and Lexus applications. It uses a black rectangular female connector, a metal housing, and a 2-terminal male interface for a straightforward replacement on the left side of the engine.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting OEM standards and specifications. The Walker Products line is backed by ISO 9001/IATF16949-certified quality processes.

Key Features

• Engine variable valve timing (VVT) solenoid for select Toyota and Lexus vehicles
• Part number: 590-1071
• Black connector color with rectangular connector shape
• 1 female connector and 2 male terminals
• Metal housing for engine-bay service
• Left-side fitment on listed applications
• Cross-reference: Dorman - OE Solutions 917-293

Detailed Description

This Walker Products VVT solenoid is used in engine timing control systems that regulate oil flow to the cam phaser or variable valve timing mechanism. For drivers and technicians servicing a Lexus SC430, GX470, GS430, LS430, or LX470, as well as Toyota 4Runner, Sequoia, Tundra, and Land Cruiser models, Walker 590-1071 provides a direct replacement option for the left-side application listed in the fitment data. It is also referenced by part number 590-1071 in aftermarket catalogs for easier lookup.

Walker Products develops engine management components with in-house product management and engineering support, helping maintain accurate vehicle applications and technical documentation. This part cross-references Dorman - OE Solutions 917-293 for the same application.

What It Helps Fix

• Check engine light related to VVT control faults
• Rough idle caused by inconsistent cam timing control
• Loss of power or sluggish acceleration from timing response issues
• Oil control solenoid performance problems on the left-side VVT circuit
• Timing-related drivability concerns on listed Lexus and Toyota models

Installation Notes and Tips

Verify connector style, terminal count, and left-side location before installation. Confirm the vehicle application against the fitment list for your exact year and model, including 2002-2010 Lexus SC430, 2003-2009 Lexus GX470, 2004-2009 Toyota 4Runner, 2002-2009 Toyota Sequoia, 2005-2009 Toyota Tundra, 2002-2007 Lexus GS430, 2006-2007 Lexus LX470, 2006-2007 Toyota Land Cruiser, and 2002-2006 Lexus LS430. Inspect the mating connector and engine oil condition during diagnosis to help isolate the root cause of VVT performance issues.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The brand supports production with engineering, product management, and technical documentation resources, and operates under ISO 9001/IATF16949-certified quality systems.