GM Genuine Parts Secondary Air Injection Check Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These valves help prevent exhaust gases from flowing back through the air injection system. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

• Helps prevent exhaust from entering air pump
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

Adjustable:	No
Material:	Multiple
Meets or Exceeds Original Equipment Manufacture Specifications:	Yes
Mount Hole Diameter (in):	0.2559in
Mount Hole Diameter (mm):	6.5mm
Port 1 Outside Diameter (in):	1
Port 1 Outside Diameter (mm):	25.5
Port Quantity:	2
Programming Required:	No
Weight (lb):	1.29

• 2001-2003 Cadillac DeVille
• 2001-2003 Cadillac Seville
• 2001-2003 Oldsmobile Aurora