Walker 590-1178 Engine Variable Valve Timing (VVT) Solenoid

Walker Products 590-1178 VVT Solenoid

Walker Products 590-1178 is an engine variable valve timing (VVT) solenoid built for precise oil control in supported applications. It is a direct-fit style engine management component with a metal housing, oval female connector, and 2 male terminals for a clean electrical connection.

Compatible with select Chevrolet Spark and Chevrolet Cruze applications, this VVT solenoid supports accurate cam timing control when the original unit is worn, sticking, or electrically faulty. Walker Products backs its engine management components with manufacturing and engineering support focused on OEM-level specifications.

Key Features

• Part number: 590-1178
• Engine variable valve timing (VVT) solenoid
• Metal housing for durable engine-bay use
• Black oval connector with female plug design
• 2-terminal electrical interface
• 1 mounting hole configuration
• Walker Products engine management component line

Product Details

Walker Products is a long-established automotive aftermarket manufacturer with a focus on fuel system and engine sensor components. The Walker Products line includes engine management parts engineered to meet or exceed OEM standards, with application data and technical support maintained by in-house product and engineering teams. The 590-1178 VVT solenoid is designed for vehicles that rely on controlled oil flow to adjust valve timing response, helping the engine management system maintain proper timing operation under changing load and speed conditions.

This part cross-references Dorman - OE Solutions 916-520 for the same application. It also cross-references Standard Ignition VVT318 for the same application.

What It May Help Resolve

• Check engine light related to VVT or cam timing faults
• Rough idle caused by inconsistent valve timing control
• Reduced acceleration from delayed cam timing response
• Engine performance issues tied to oil control solenoid failure
• Hard starting or unstable running when the solenoid is sticking or electrically open

Installation Notes and Tips

Fits 2015 Chevrolet Cruze, N/A. Fits 2017-2018 Chevrolet Spark, N/A. Confirm connector shape, terminal count, and mounting style against the original part before installation. Clean the mounting surface and inspect the electrical connector and engine oil condition, since contamination can affect VVT solenoid operation. Verify the vehicle’s diagnostic trouble codes and service information before replacing the component.

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 product management and engineering support behind application accuracy and technical documentation.