Standard Ignition CP3189 Vapor Canister

Standard Ignition CP3189 Vapor Canister

Standard Ignition CP3189 is a replacement vapor canister for evaporative emission control systems that need accurate vapor storage and routing. Built with high-grade materials and professional-grade construction, it is made for service work where fit, durability, and consistent performance matter.

Compatible with select Chevrolet Silverado, GMC Sierra, and Chevrolet Suburban applications, this vapor canister supports evaporative system repair on 1999-2003 trucks and SUVs. The CP3189 is a direct-fit style replacement for vehicles that require a canister with two hose connectors and a filter element.

Key Features

• Standard Ignition CP3189 vapor canister for evaporative emission control service
• Filter element included for integrated vapor filtration
• 2 hose connectors and 2 ports for the specified evaporative system layout
• Hose sizes listed at 1/4 in. and 5/8 in.
• Approximate length: 14.5 in.
• Built with high-grade materials for long service life
• Professional construction for repair-shop use

Detailed Description

The CP3189 vapor canister is engineered for evaporative system repairs where fuel vapors must be captured and managed correctly. Standard Ignition uses durable materials and a service-focused design approach to help maintain proper system operation over time. This part cross-references Dorman OE Solutions 911-479 for the same application.

Fits 2002-2003 Chevrolet Silverado 1500, N/A; Fits 2002-2003 Chevrolet Silverado 1500 HD, N/A; Fits 2002-2003 Chevrolet Silverado 2500, N/A; Fits 2002-2003 Chevrolet Silverado 2500 HD, N/A; Fits 2000 Chevrolet C1500, N/A; Fits 1999-2000 Chevrolet Silverado 1500, N/A; Fits 1999-2000 Chevrolet Silverado 2500, N/A; Fits 2000 Chevrolet Suburban 1500, N/A; Fits 2002-2003 GMC Sierra 1500, N/A; Fits 2001-2003 GMC Sierra 1500 HD, N/A; Fits 2002-2003 GMC Sierra 2500, N/A; Fits 2002-2003 GMC Sierra 2500 HD, N/A; Fits 1999-2000 GMC Sierra 1500, N/A; Fits 1999-2000 GMC Sierra 2500, N/A.

What It Helps Fix

• Evaporative emission system fault codes related to vapor storage
• Fuel vapor leaks from a damaged or saturated canister
• Check engine light concerns tied to EVAP system performance
• Fuel odor issues caused by poor vapor containment
• Driveability problems linked to incorrect evaporative system routing

Installation Notes and Tips

Verify hose size, connector count, and canister length against the original part before installation. Confirm the vehicle’s evaporative system layout and mounting location on the Silverado, Sierra, or Suburban application before replacing the component. Inspect related hoses and connectors for cracks, soft spots, or blockage so the new canister can operate as intended.

Quality Assurance

Standard Ignition builds this vapor canister with high-grade materials and professional construction, backed by decades of research and development focused on technician needs. The result is a replacement part intended for consistent evaporative system service and long-term durability.