Standard Ignition VVT483 Engine Variable Valve Timing (VVT) Adjuster Magnet

Engine VVT Adjuster Magnet for GM Applications

Standard Ignition VVT483 is an engine variable valve timing adjuster magnet built for 12-volt electromagnetic operation. It uses a female oval connector with a bolt-on connection, 2 blade terminals, and a metal/plastic housing for service on select Cadillac, Chevrolet, Buick, and GMC engines.

Use this Standard Ignition VVT483 when replacing a worn or electrically failed variable valve timing adjuster magnet on vehicles such as the Cadillac CT4, Cadillac XT5, and Chevrolet Blazer. It is a direct-fit style component for engine valve train service where precise VVT control is required.

Key Features

• Electromagnetic activation for variable valve timing control
• 12-volt electrical design
• Female oval connector with bolt-on mounting style
• 2-pin, 2-blade terminal configuration
• Metal and plastic housing construction
• No gasket included
• No mounting hardware included
• Standard Ignition VVT483 part number for catalog and service reference

Detailed Product Overview

This engine variable valve timing (VVT) adjuster magnet is designed for select GM platforms that use electronically controlled cam timing. Standard Ignition VVT483 supports the valve train system by responding to electrical commands from the engine management system, helping maintain proper timing control under changing engine conditions. It cross-references Monroe Shocks & Struts (e.g., 35-1911, 55486668) for the same application. Vehicle coverage includes Fits 2020-2025 Cadillac CT4, N/A; Fits 2020-2025 Cadillac CT5, N/A; Fits 2019-2025 Cadillac XT4, N/A; Fits 2020-2025 Cadillac XT5, N/A; Fits 2021-2025 Cadillac XT6, N/A; Fits 2020-2025 Chevrolet Blazer, N/A; Fits 2021-2024 Buick Envision, N/A; Fits 2023-2024 Chevrolet Corvette, N/A; Fits 2020-2023 GMC Acadia, N/A; and Fits 2019 Cadillac CT6, N/A. The VVT483 part number is also useful when verifying service replacement against OE-style interchange references.

Common Issues This Part Can Address

• Check engine light related to VVT circuit performance
• Rough idle or inconsistent cam timing control
• Loss of power caused by improper valve timing response
• Engine performance codes tied to the adjuster magnet circuit
• Intermittent VVT operation from an electrical failure

Installation Notes and Tips

Confirm connector shape, terminal count, and mounting style before installation. Inspect the mating connector, wiring, and sealing surfaces for damage or contamination, and replace any worn engine-side components as needed. Because no gasket is included, verify whether the original seal can be reused or whether a separate seal is required for the repair. Always follow the vehicle service procedure for the specific Cadillac, Chevrolet, Buick, or GMC application.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management service parts. VVT483 is built to match the listed electrical and connector specifications for the confirmed applications above.