Vemo V51-63-0012 Secondary Air Injection Pump

Secondary Air Injection Pump for GM Applications

The Vemo V51-63-0012 is an electric secondary air injection pump built for emission control service on select GM vehicles. It is specified for 12-volt operation and compact packaging, with a 315 mm length, 185 mm width, and 190 mm height for a direct-fit replacement approach.

Compatible With 2007-2012 Chevrolet Colorado, 2007-2012 GMC Canyon, 2007-2010 Hummer H3, and 2009-2010 Hummer H3T. This VEMO part number V51-63-0012 is also referenced by OE-style cross numbers for the same application.

Key Features

• Electric secondary air injection pump for emission control system service
• 12 V operating voltage
• Dimensions: 315 mm length, 185 mm width, 190 mm height
• Weight: 1.466 kg
• VEMO brand line identification for catalog matching and application lookup
• Cross-reference part numbers include 12 598 366 and 15 928 252

Application Details

Vemo V51-63-0012 is used in the secondary air injection system to move fresh air into the exhaust stream during cold-start operation. On the Chevrolet Colorado, GMC Canyon, Hummer H3, and Hummer H3T applications listed above, this pump supports emission-system function when the original unit is no longer operating correctly. The part number V51-63-0012 should be matched to the vehicle’s exact year and model before ordering.

What It Can Help Resolve

• Secondary air injection pump failure codes
• Insufficient air delivery during cold start
• Emission monitor faults related to the air injection system
• Noise or electrical failure from the pump assembly
• Check engine light conditions tied to secondary air injection performance

Installation Notes and Tips

Verify the vehicle year, make, and model against the listed fitment before installation. Confirm 12-volt system compatibility and inspect related hoses, valves, connectors, and wiring for damage that could affect pump operation. For best results, compare the original unit’s dimensions and connector layout to Vemo V51-63-0012 before replacement.

Quality Assurance

VEMO cataloged this part for emission control service applications and OE-style interchange matching. The V51-63-0012 listing includes application-specific fitment data to support accurate vehicle selection for Chevrolet Colorado, GMC Canyon, Hummer H3, and Hummer H3T models.