Walker 590-1000 Engine Variable Valve Timing (VVT) Solenoid

Walker Products 590-1000 VVT Solenoid

Walker Products 590-1000 is an engine variable valve timing solenoid built for OE-style fitment and electrical connection. It is a direct replacement option for vehicles such as the Chevrolet Colorado, GMC Canyon, and Hummer H3, where accurate oil control is critical to VVT operation.

Walker Products has supplied fuel system and engine management components since 1946, and the Walker Products line focuses on parts manufactured to meet or exceed OEM standards and specifications. The 590-1000 reflects that approach with application-specific engineering and technical support for service work on GM and related platforms.

Key Features

• Engine variable valve timing (VVT) solenoid for precise cam timing control
• Black connector with oval shape for OE-style electrical interface
• 1 connector, 2 terminals, female connector gender, male terminal gender
• Blade terminal type for secure electrical contact
• Metal housing for durable engine-bay service
• 1 mounting hole for straightforward installation alignment
• Fits 2002-2012 applications across Chevrolet, GMC, Hummer, Saab, Isuzu, Buick, and Oldsmobile platforms

Detailed Description

Walker Products 590-1000 is an engine VVT solenoid used to regulate oil flow to the variable valve timing system. Proper solenoid operation supports accurate cam timing response, which is important for drivability and engine management on vehicles such as the Chevrolet Colorado, GMC Canyon, and Hummer H3. This part number, 590-1000, is also cross-referenced in the aftermarket with Delphi SL10064 and Standard Ignition VVT102 for the same application.

Compatible With 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, 2006-2010 Hummer H3, 2009-2010 Hummer H3T, 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2003-2008 Isuzu Ascender, 2007-2008 Isuzu i-290, 2007-2008 Isuzu i-370, 2004-2007 Buick Rainier, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2006 Isuzu i-280, 2006 Isuzu i-350, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada.

What It Can Help Solve

• VVT-related check engine light concerns
• Rough idle or inconsistent engine response tied to cam timing control
• Oil flow control issues affecting variable valve timing operation
• Faulty solenoid electrical connection or connector wear
• Service replacement for worn OE-style VVT solenoids

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style against the original part before installation. Confirm the vehicle application by year, make, and model, especially on GM midsize SUV and truck platforms where multiple engine management components may share similar connectors. Clean the mounting area and inspect the harness connector for corrosion or terminal damage before fitting the new solenoid.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with in-house engineering, product management, and manufacturing support. The brand states that its engine management components are produced to meet or exceed OEM standards and specifications, with technical documentation and application support maintained for accuracy.