Dorman 917-021 Engine Variable Valve Timing (VVT) Solenoid

Reliable Engine Variable Valve Timing Solenoid for Audi and Volkswagen

The Dorman 917-021 Engine Variable Valve Timing (VVT) Solenoid is designed to maintain optimal engine performance in select Audi and Volkswagen models. This 12-volt solenoid features a durable silver zinc-plated finish and is engineered for precise control of valve timing.

• 12-volt electrical system compatibility
• Silver zinc-plated finish for corrosion resistance
• Steel and plastic housing for durability and heat resistance
• Two-terminal blade and aspa type connectors with male and female genders
• Compact dimensions: 5.9 inches height and 4 inches width
• Standard replacement grade for reliable performance
• Plug and socket electrical connector type for secure installation

Detailed Product Description

The Dorman 917-021 VVT solenoid is constructed with a combination of steel and plastic housing materials, providing a balance of strength and heat resistance necessary for engine compartment conditions. Its silver zinc-plated finish helps prevent corrosion, extending the service life of the solenoid. The solenoid operates on a 12-volt system and includes two terminals with blade and aspa types, designed for compatibility with the plug and socket connector system. Measuring 5.9 inches in height and 4 inches in width, this solenoid fits precisely in the designated engine locations of compatible vehicles.

Compatible Vehicles and Applications

This VVT solenoid is compatible with various Audi and Volkswagen models, including Audi A4, A4 Quattro, S3, TT, and TT Quattro, as well as Volkswagen Beetle, Bora, Clasico, Golf, Jetta, and Passat. The part number 917-021 ensures you receive the correct replacement component for these specific vehicles.

Common Issues Addressed by the VVT Solenoid

• Irregular or rough engine idle
• Reduced fuel efficiency due to improper valve timing
• Check engine light triggered by VVT system faults
• Loss of engine power or hesitation during acceleration
• Increased emissions from inefficient combustion

Installation Notes and Tips

When installing the Dorman 917-021 VVT solenoid, ensure the engine is cool to avoid injury. Disconnect the battery before removal to prevent electrical shorts. Verify the connector type matches the vehicle’s wiring harness—this solenoid uses a plug and socket connector with male and female terminals. Properly secure the solenoid in place to avoid vibration damage and ensure optimal electrical contact.

Quality Assurance and Warranty

Dorman provides this VVT solenoid as a standard replacement part, manufactured to meet OEM specifications. The solenoid undergoes quality control testing to ensure reliable operation. Warranty coverage details should be confirmed at the point of purchase, but Dorman typically offers limited warranties on replacement engine components.