Dorman 917-258 Engine Variable Valve Timing (VVT) Sprocket - Intake

Reliable Engine Variable Valve Timing Sprocket for Toyota and Lexus

The Dorman 917-258 Engine Variable Valve Timing (VVT) Sprocket is designed to restore proper valve timing and engine performance in select Toyota, Lexus, and Scion vehicles. Crafted from durable steel with a silver zinc-plated finish, this standard replacement cam phaser ensures long-lasting operation and corrosion resistance.

• Constructed from high-quality steel for strength and durability
• Silver zinc-plated surface to resist corrosion
• Standard replacement grade for reliable performance
• Overall height of 1.397 inches and diameter of 4.56 inches
• Includes one cam phaser per package

Durable Construction and Precise Dimensions

The Dorman 917-258 VVT sprocket features a robust steel build that withstands the demanding conditions of engine operation. Its silver zinc-plated coating provides additional protection against rust and wear, extending the component's service life. With an overall height of 1.397 inches and a diameter of 4.56 inches, this sprocket is engineered to meet exact OEM specifications, ensuring proper fit and function in compatible vehicles.

Compatible Vehicles and Applications

This engine variable valve timing sprocket is compatible with a range of Toyota, Lexus, and Scion models, including the Toyota Avalon, Camry, Highlander, RAV4, Sienna, Venza, the Lexus ES300h, and the Scion tC. It is designed to replace the original cam phaser and restore optimal valve timing control, which is critical for engine efficiency and emissions.

• Corrects issues related to variable valve timing malfunctions
• Resolves engine performance problems such as rough idling or reduced power
• Addresses timing chain noise caused by worn or faulty sprockets
• Helps prevent check engine light triggers related to VVT system faults

Installation Notes and Tips

Installation of the Dorman 917-258 VVT sprocket should be performed by a qualified technician familiar with engine timing components. Proper alignment and torque specifications must be followed to ensure correct operation. It is recommended to inspect the timing chain and related components during replacement to avoid future issues.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed industry standards for quality and durability. The 917-258 VVT sprocket undergoes rigorous testing to ensure reliable performance. This part comes with a limited warranty covering defects in material and workmanship, providing confidence in its long-term use.