Walker 595-1021 Engine Variable Valve Timing (VVT) Sprocket - Intake or Intake (Right)

Walker VVT Sprocket for OE-Style Timing Control

Walker Products 595-1021 is an engine variable valve timing (VVT) sprocket built for intake-side applications on select GM vehicles. It supports precise cam timing control for engines that rely on VVT to manage performance, drivability, and emissions.

Compatible With 2015-2016 Chevrolet Colorado, intake right, and other listed Buick, Cadillac, Chevrolet, and GMC applications.

Key Features

• Engine variable valve timing (VVT) sprocket for valve train service
• Intake right application coverage on select vehicles
• OE-style replacement part for timing system repair
• Walker Products engineering and application support
• Manufactured to meet or exceed OEM standards and specifications
• Part number 595-1021 for accurate ordering and lookup

Application Details

Walker Products 595-1021 is used in VVT-equipped engines where the camshaft sprocket must respond accurately to oil-pressure commands from the engine control system. This part is listed for 2015-2016 Buick Enclave, 2015 Buick LaCrosse, 2015 Cadillac ATS, 2015 Cadillac CTS, 2015 Cadillac XTS, 2015-2016 Cadillac SRX, 2015-2016 Chevrolet Colorado, 2015-2016 Chevrolet Equinox, 2015-2016 Chevrolet Impala, 2016 Chevrolet Traverse, 2016 GMC Acadia, 2016 GMC Canyon, and 2016 GMC Terrain. The part number 595-1021 is also a useful reference when comparing OE-style replacements for these GM timing applications.

This part cross-references Dorman OE Solutions 916-946 for the same application.

What It Helps Address

• Cam timing faults related to a worn or sticking VVT sprocket
• Rough idle or inconsistent engine response tied to timing control issues
• Check engine lights associated with VVT performance codes
• Noise or irregular operation from the timing system
• Loss of power or drivability concerns on VVT-equipped engines

Installation Notes

Verify engine code, bank, and intake-right position before ordering. Confirm the vehicle application against the service information for your specific Buick, Cadillac, Chevrolet, or GMC model. Timing system service should be performed with the correct locking tools and procedures to maintain camshaft alignment and prevent engine damage.

Quality Assurance

Walker Products has supplied automotive fuel system and engine management components since 1946 and backs its parts with in-house manufacturing, product management, engineering, and technical support. The company is ISO 9001 and IATF 16949 certified, with products produced to meet OEM-level standards and specifications.