Dorman 918-185 Engine Variable Valve Timing (VVT) Sprocket

Reliable Engine Variable Valve Timing Sprocket for Select GM and Isuzu Models

The Dorman 918-185 Engine Variable Valve Timing (VVT) Sprocket is designed to restore proper timing function in compatible Chevrolet, GMC, Hummer, Isuzu, and Saab vehicles. Engineered from durable metal with a silver finish, this standard replacement sprocket includes a high-quality metal bolt for secure attachment.

• Constructed from durable metal for long-lasting performance
• Silver color finish for corrosion resistance and visual inspection
• Includes a metal bolt for secure and reliable attachment
• Diameter of 149.56 mm ensures precise fitment
• Overall dimensions: 2.7 inches height and 5.9 inches length
• Standard replacement grade suitable for engine variable valve timing systems
• Package contains one engine variable timing sprocket and one bolt

Durable Design and Precise Fitment for Engine Timing Systems

The Dorman 918-185 VVT sprocket is manufactured to meet OEM specifications, ensuring compatibility and reliable operation within the engine variable valve timing system. Its metal construction provides strength and resistance to wear, while the included metal bolt guarantees a secure installation. The sprocket’s diameter of 149.56 mm and overall dimensions are engineered to fit specific models including Chevrolet Colorado, GMC Canyon, Hummer H3, Isuzu i-290, and Saab 9-7x, among others.

Compatible Vehicles and Applications

This engine variable valve timing sprocket is compatible with the following makes and models:

• Chevrolet: Colorado, Trailblazer
• GMC: Canyon, Envoy
• Hummer: H3, H3T
• Isuzu: i-290, i-370, Ascender
• Saab: 9-7x

Common Issues Addressed by the Dorman 918-185 VVT Sprocket

• Irregular engine timing causing rough idling or poor acceleration
• Check engine light triggered by variable valve timing sensor errors
• Engine performance loss due to worn or damaged timing sprocket
• Unusual engine noises related to timing chain or sprocket wear
• Failed emissions tests linked to improper valve timing

Installation Notes and Tips

Installation of the Dorman 918-185 VVT sprocket requires proper engine timing alignment and torque specifications. The included metal bolt should be tightened to manufacturer-recommended torque values to ensure secure attachment. It is advisable to consult the vehicle’s service manual for detailed installation procedures and to verify compatibility with the specific engine configuration.

Quality Assurance and Warranty Information

Dorman provides this engine variable valve timing sprocket as a standard replacement part manufactured to meet industry standards. The product undergoes quality control inspections to ensure durability and fitment accuracy. Warranty coverage details can be obtained from Dorman’s official documentation or authorized distributors.