Wells 4B1321 Vapor Canister

The Wells 4B1321 Vapor Canister is a critical component of your vehicle's evaporative emission control (EVAP) system. This canister stores and contains harmful fuel vapors from the fuel system that would otherwise be released into the atmosphere, preventing environmental damage and helping your vehicle meet emissions standards.

Key Features:

• Constructed from high-quality, corrosion-resistant materials for long-lasting durability
• Contains activated charcoal that adsorbs fuel vapors and prevents their release
• Direct-fit replacement design ensures proper installation and optimal performance
• Engineered to meet or exceed OEM specifications
• Helps maintain proper fuel system pressure and prevents check engine light issues

When fuel vapors are generated in your fuel tank, they flow into the vapor canister where activated charcoal captures and stores them. When the engine is running, the purge valve opens and these stored vapors are drawn into the engine to be burned during the combustion process. A failing vapor canister can cause fuel odors, poor fuel economy, rough idle, or trigger diagnostic trouble codes related to the EVAP system.