Dorman 310-226 Evaporative Emissions System Leak Detection Pump

OE-Style Leak Detection Pump for Volkswagen

This Dorman evaporative emissions system leak detection pump is built to match the fit and function of the original unit on specified Volkswagen applications. It is a specific-fit replacement for EVAP system service on Volkswagen Golf, Golf City, and Jetta models, including applications that require a standard fuel neck.

• Direct replacement for the original evaporative emissions system leak detection pump
• Specific fit for confirmed Volkswagen applications
• Plastic housing with black finish
• 2-port design with 0.7 in. inlet and outlet outside diameters
• Male 3-blade connector/terminal configuration
• Filter included for EVAP system service
• Dimensions: 3.8 in. diameter, 4.5 in. length

Detailed Product Information

Dorman 310-226 is an evaporative emissions system leak detection pump engineered for reliable operation and durability in the vehicle’s EVAP system. It is designed for specific applications and follows the original pump’s fit and function, making it a practical replacement for Volkswagen Golf, Golf City, and Jetta models. This part cross-references Standard Ignition LDP21 for the same application.

Compatible With: 2006-2007 Volkswagen Golf, w/Standard Fuel Neck; L4 1.6L (1595cc); 2007 Volkswagen Golf City; 2003-2004 Volkswagen Golf, w/Standard Fuel Neck; 1999-2004 Volkswagen Jetta; 1999-2002 Volkswagen Golf. Dorman 310-226 is also referenced by OE-style part numbers 1J0906201A and VDP21.

Common EVAP System Issues

• Check engine light related to EVAP leak detection faults
• Emissions system leak codes tied to pump failure
• Hard-to-diagnose vapor containment problems in the fuel system
• Failed inspection due to evaporative emissions system faults
• Intermittent EVAP monitor readiness issues

Installation Notes

Verify the vehicle’s year, make, model, and fuel neck configuration before installation. Confirm the connector style, port layout, and dimensions match the original pump on the vehicle. This part is a specific-fit replacement, so proper application matching is important for correct EVAP system operation.

Quality Assurance

Dorman designs this leak detection pump to match the original part’s fit and function on listed applications, with construction intended for dependable service in the evaporative emissions system.