Cloyes VC109 Variable Valve Timing (VVT) Sprocket Cam Gear Phaser

The Cloyes VC109 is a precision-engineered Variable Valve Timing (VVT) sprocket designed to restore optimal engine timing performance on GM 3.0L, 3.2L, and 3.6L V6 engines. Also known as a cam gear phaser, this critical timing component controls camshaft timing to optimize engine performance, fuel efficiency, and emissions across the engine's operating range.

Key Features:

• Genuine Cloyes quality meeting OEM specifications for exact fit and function
• Precision-manufactured from high-strength steel for durability under demanding conditions
• 100% production-tested for proper angle adjustment, leakage, locking pin functionality, and friction
• Outside diameter of 3.7 inches with mounting hole diameter of 1.38 inches
• Designed for left intake camshaft position on GM Alloytec engines
• Compatible with GM OEM part numbers 12684823, 12630917, 12630744, 12665856, 12626161, 12672484, and 12684831

As an integral component of the engine timing system, the VVT sprocket works in conjunction with the timing chain, tensioners, and guides. Cloyes is trusted by professionals for over a century and backs their products with industry-leading warranty support. When replacing VVT components, technicians should use properly torqued fasteners designed specifically for VVT sprockets to ensure secure installation and system reliability.