Standard Ignition CP516 Vapor Canister Vent Solenoid

Vapor Canister Vent Solenoid for GM SUVs

Standard Ignition CP516 is a vapor canister vent solenoid built for emission control service on select Chevrolet, Cadillac, and GMC applications. It uses a high-grade plastic body, OE-quality connector and terminals, and a corrosion-resistant aluminum mounting bracket for a precise electrical and mechanical fit.

Compatible with 2007-2017 Cadillac Escalade and Escalade ESV, 2007-2013 Cadillac Escalade EXT, 2007-2014 GMC Yukon and Yukon XL 1500, and 2015-2022 GMC Yukon XL, this CP516 replacement is also used on select Chevrolet Tahoe, Suburban 1500, and Avalanche applications.

• High-grade industrial plastic housing for heat resistance in engine bay conditions
• OE-quality female connector with round and square connector shape
• Male blade terminals with 2-terminal design for direct electrical connection
• Integrated filter element and 5/8 in. hose connector
• Machined mounting slot and anti-rust aluminum bracket for easier bracket installation

Detailed Product Overview

The Standard Ignition CP516 vapor canister vent solenoid controls venting in the evaporative emissions system, helping the vehicle manage fuel vapor flow through the canister circuit. Its connector and terminal materials are built to match OE-style fit and conductivity, while the bracket and mounting slot are shaped to align with factory specifications. This part cross-references Dorman - OE Solutions 911-064 for the same application.

Common Symptoms and Repairs

• Check engine light related to EVAP system faults
• Fuel vapor venting or purge system trouble codes
• Hard-to-diagnose evaporative emissions leaks
• Damaged connector, terminal, or bracket at the vent solenoid
• Corrosion or heat-related failure in the vent valve assembly

Installation Notes

Verify connector style, hose size, and mounting location before installation. The round and square connector design, female connector gender, 5/8 in. hose connection, and blade terminals should match the original unit on the vehicle. Confirm the application against the exact year and model, especially on Chevrolet Tahoe, Suburban 1500, and Avalanche listings that include configuration notes.

Quality Assurance

Standard Ignition builds this vent solenoid with OE-quality materials for fit, conductivity, and durability in emission control service. The CP516 is engineered to meet factory-style mounting and connection requirements for the listed GM applications.