Dorman 918-187 Engine Variable Valve Timing (VVT) Sprocket - Intake (Left)

Reliable Engine Variable Valve Timing Sprocket for GM Vehicles

The Dorman 918-187 Engine Variable Valve Timing (VVT) Sprocket is designed to provide precise timing control for a range of GM vehicles including Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn models. Crafted from durable steel with a silver finish, this standard replacement sprocket ensures consistent performance and longevity.

• Constructed from high-quality steel for strength and durability
• Silver color finish for corrosion resistance
• Includes a steel bolt for secure attachment
• Measures 3.7 inches in diameter and 1.49 inches in overall height
• Standard replacement grade suitable for various GM engines
• Package contains one cam phaser and one bolt for installation

Durable Steel Construction and Precise Fitment

The Dorman 918-187 VVT sprocket is engineered to meet OEM specifications, ensuring reliable operation within the engine's valve train system. Its steel construction provides the necessary strength to withstand engine stresses, while the included steel bolt guarantees a secure fit. The 3.7-inch diameter and 1.49-inch height dimensions are designed to match the exact requirements of compatible GM models, including the Chevrolet Camaro, Buick Enclave, Cadillac CTS, GMC Terrain, and Pontiac G6 among others.

Compatible GM Models and Applications

This VVT sprocket is compatible with a wide range of GM vehicles, including but not limited to:

• Buick Enclave, LaCrosse, and Allure
• Cadillac ATS, CTS, SRX, STS, and XTS
• Chevrolet Camaro, Colorado, Equinox, Impala, Malibu, and Traverse
• GMC Canyon, Terrain, and Acadia
• Pontiac G6, G8, and Torrent
• Saturn Aura, Outlook, and Vue

Common Issues Addressed by the Dorman 918-187 VVT Sprocket

• Irregular engine timing causing rough idling or poor performance
• Engine misfires related to faulty variable valve timing components
• Excessive engine noise due to worn or damaged sprocket
• Check engine light triggered by VVT system errors
• Reduced fuel efficiency linked to timing inconsistencies

Installation Notes and Tips

Installation of the Dorman 918-187 VVT sprocket requires proper alignment and torque specifications to ensure optimal engine timing. The included steel bolt should be tightened according to manufacturer guidelines. It is recommended to consult the vehicle’s service manual for detailed instructions and to verify compatibility with the specific engine model. Professional installation is advised to avoid potential engine damage.

Quality Assurance and Warranty Information

Dorman provides this VVT sprocket as a standard replacement part manufactured to meet or exceed OEM standards. The steel material and precise manufacturing processes contribute to its durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.