Walker 590-1089 Engine Variable Valve Timing (VVT) Solenoid

Walker Products 590-1089 VVT Solenoid Overview

Walker Products 590-1089 is an engine variable valve timing (VVT) solenoid built for direct-fit service on select Audi applications. It features a black female connector, oval connector shape, metal housing, and a 2-terminal male terminal layout for a straightforward replacement in the engine management system.

Compatible With Audi Q5, S4, S5, A6, A6 Quattro, A5 Quattro, and select A4 Quattro applications, this part number 590-1089 supports precise oil control for variable valve timing operation. Walker Products draws on long-term aftermarket engineering and manufacturing experience to supply components made to meet or exceed OEM standards.

Key Features

• Engine variable valve timing (VVT) solenoid for select Audi models
• Black connector with oval shape for OE-style fitment
• Metal housing for engine-bay durability
• 1 mounting hole, 1 connector, and 2 terminals
• Walker Products 590-1089 for service replacement applications

Product Details

Walker Products 590-1089 is an engine VVT solenoid used to regulate oil flow to the variable valve timing system. On applications such as the Audi Q5, Audi S4, Audi S5, Audi A6, Audi A6 Quattro, Audi A5 Quattro, and select Audi A4 Quattro models, proper solenoid operation is important for maintaining timing response and engine control performance. Walker Products supports this part with manufacturing, engineering, and product management resources focused on accurate vehicle application coverage and OE-level specifications.

This part cross-references Dorman OE Solutions 918-129 for the same application.

What It Helps Address

• Variable valve timing fault codes related to solenoid performance
• Rough idle caused by inconsistent cam timing control
• Delayed or erratic timing response during acceleration
• Oil control valve issues affecting VVT operation
• Engine management concerns tied to worn or failing solenoid components

Installation Notes and Tips

Verify connector style, terminal layout, and engine application before installation. This part is listed for 2008-2012 Audi coverage, including 2009-2012 Audi Q5, 2010-2012 Audi S4, 2010-2012 Audi S5, 2010-2011 Audi A6, 2009-2011 Audi A6 Quattro, 2008-2010 Audi A5 Quattro, 2010 Audi A6 with integrated oil control valve notes, and 2009 Audi A4 Quattro with integrated oil control valve notes. Confirm the original part number and engine configuration against the vehicle before service.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with a long history in fuel system and engine management components. The brand states that its parts are produced to meet or exceed OEM standards and specifications, with technical support and application data maintained by in-house engineering and product management teams.