Dorman 918-777 Engine Variable Valve Timing (VVT) Sprocket - Intake

Dorman 918-777 VVT Sprocket Overview

Dorman 918-777 is an engine variable valve timing sprocket for the intake side, built as a direct replacement for worn OE hardware. It is engineered to install and function like the original part, helping restore proper valve timing control and engine operation on select Chevrolet models.

• Engine variable valve timing (VVT) sprocket for intake applications
• Metal construction with a standard-grade design
• Gray finish
• Bolt-on attachment type
• One-piece package contents: 1 VVT sprocket
• Cross-reference: 55568386

Detailed Product Description

This Dorman VVT sprocket is designed for the intake cam timing system and is a direct-fit replacement for the factory component. The metal construction and OE-style dimensions support proper fitment in the valve train, while the bolt-on design matches the original installation style. Dorman 918-777 is a practical replacement when the original sprocket is worn, noisy, or no longer maintaining consistent variable valve timing performance. Compatible With 2011-2015 Chevrolet Cruze, intake; 2016 Chevrolet Cruze Limited, intake; 2012-2018 Chevrolet Sonic, intake; and 2013-2020 Chevrolet Trax, intake. It also fits 2010-2011 Chevrolet Aveo and 2010-2011 Chevrolet Aveo5, intake, with RPO Code EF7 for U.S.A. vehicles.

Common Issues This Part Can Address

• Rattling or abnormal noise from the intake timing system
• Loss of engine performance related to variable valve timing control
• Rough running caused by a worn sprocket
• Timing irregularities from a damaged OE VVT sprocket
• Check engine concerns tied to intake cam timing operation

Installation Notes and Tips

Verify engine code, position, and model-year fitment before installation. This part is for intake applications only and uses a bolt-on attachment style. No wiring harness is included, and no bolt is included. Confirm the vehicle matches the listed Chevrolet Cruze, Cruze Limited, Sonic, Trax, Aveo, or Aveo5 application details before service.

Quality Assurance

Dorman designs this replacement sprocket to install and perform like the original component. It is built as a standard replacement part for restoring factory-style variable valve timing operation on the listed Chevrolet applications.