Dorman 916-523 Engine Variable Valve Timing (VVT) Sprocket - Intake (Left) or Intake (Right)

Reliable Engine Variable Valve Timing Sprocket for Nissan and Infiniti

The Dorman 916-523 Engine Variable Valve Timing (VVT) Sprocket is designed to maintain precise timing control in your vehicle's valve train system. Engineered from durable steel with a silver finish, this standard grade cam phaser is compatible with select Nissan and Infiniti models, ensuring consistent performance and longevity.

• Constructed from high-quality steel for strength and durability
• Silver color finish for corrosion resistance
• Standard grade material suitable for OEM replacement
• Bolt-on attachment type for straightforward installation
• Dimensions: 3.56 inches diameter and length, 2.45 inches overall height
• Includes one cam phaser unit per package

Product Details and Specifications

The Dorman 916-523 VVT sprocket is a critical component in the engine's variable valve timing system, responsible for adjusting camshaft timing to optimize engine efficiency and performance. Made from steel, this sprocket offers reliable wear resistance and structural integrity under demanding operating conditions. Its bolt-on design allows for direct replacement without modification, although bolts are not included. The sprocket measures 3.56 inches in diameter and length, with an overall height of 2.45 inches, matching OEM specifications for a precise fit.

Compatible Vehicles and Applications

This VVT sprocket is compatible with a range of Nissan and Infiniti vehicles, including:

• Nissan Armada
• Nissan NV2500
• Nissan NV3500
• Nissan Pathfinder and Pathfinder Armada
• Infiniti QX56
• Nissan TITAN and TITAN XD

Use the Dorman 916-523 to address issues related to variable valve timing performance and engine timing accuracy.

Common Issues Addressed by This VVT Sprocket

• Irregular engine timing causing rough idling or poor acceleration
• Check engine light triggered by VVT system faults
• Reduced fuel efficiency due to improper valve timing
• Engine noise or rattling related to cam phaser wear
• Failed emissions tests linked to timing inconsistencies

Installation Notes and Tips

Installation of the Dorman 916-523 VVT sprocket requires removal of the existing cam phaser and precise alignment to ensure proper timing. Since bolts are not included, use OEM or equivalent fasteners to secure the sprocket. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and timing procedures. Professional installation is advised if you are unfamiliar with variable valve timing systems.

Quality Assurance and Warranty

Dorman manufactures this VVT sprocket to meet or exceed OEM standards for fit and function. The steel construction and standard grade classification ensure durability under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Verify warranty terms with the product documentation or supplier.