Dorman 916-886XD Engine Variable Valve Timing (VVT) Adjuster Magnet

OE-Style VVT Adjuster Magnet Upgrade

The Dorman 916-886XD engine variable valve timing adjuster magnet is a direct replacement for vehicles that rely on precise oil control for cam timing. It features an upgraded copper core to reduce internal movement and improve long-term durability in demanding operating conditions.

Compatible with Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and other GM trucks and SUVs listed below, this VVT solenoid replacement addresses common timing control concerns without changing the original connector style. The square connector shape and male terminals support OE-style electrical connection.

Key Features

• Patented upgraded copper core helps eliminate internal movement
• OE FIX replacement for selected GM applications
• Square connector shape with male terminals
• Engine variable timing solenoid for VVT oil control
• Cross-references Standard Ignition VVT310 and Spectra Premium VTS1185
• Part number 916-886XD for accurate ordering and lookup

Product Details

This Dorman 916-886XD VVT adjuster magnet is built for GM engines that use variable valve timing to manage camshaft timing under changing load and speed conditions. By improving the internal core design, it helps address the failure mode seen in original solenoids exposed to extreme conditions. It is a practical replacement for Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, Chevrolet Tahoe, GMC Yukon, and related applications across the 2007-2020 model years.

This part cross-references Standard Ignition VVT310 and Spectra Premium VTS1185 for the same application.

What It Helps Fix

• Check engine lights related to VVT control faults
• Rough idle caused by inconsistent cam timing control
• Reduced engine response from a sticking or failing solenoid
• Oil control issues affecting variable valve timing operation
• Intermittent drivability problems on GM VVT-equipped engines

Installation Notes

Verify connector shape, terminal gender, and engine application before installation. This part uses a square connector and male terminals, and fitment varies by year, make, model, and engine designation. Confirm the vehicle listing carefully for Chevrolet Express 2500, Chevrolet Silverado 3500 HD, GMC Savana 3500, Chevrolet Camaro, and other listed applications before replacement.

• Fits 2010-2020 Chevrolet Express 2500, N/A
• Fits 2010-2020 Chevrolet Express 3500, N/A
• Fits 2010-2020 GMC Savana 2500, N/A
• Fits 2010-2020 GMC Savana 3500, N/A
• Fits 2007-2019 Chevrolet Silverado 2500 HD, N/A
• Fits 2007-2019 Chevrolet Silverado 3500 HD, N/A
• Fits 2016-2019 Chevrolet Suburban 3500 HD, N/A
• Fits 2007-2019 GMC Sierra 2500 HD, N/A
• Fits 2007-2019 GMC Sierra 3500 HD, N/A
• Fits 2010-2015 Chevrolet Camaro, N/A
• Fits 2007-2014 Cadillac Escalade, N/A
• Fits 2007-2014 GMC Yukon, N/A

Quality Assurance

Dorman OE FIX parts are engineered as improved replacements for original components that fail in service. The 916-886XD follows that approach with a revised internal design intended to improve durability in demanding GM truck, SUV, and performance applications.