New, old stock, unused and in original packaging. Dorman 911-003 Air Injection Check Valve Brand: Dorman Part Number: 911-003 Item Condition: New Item Description: Secondary Air Injection Check Valve Manufacturer Brand Description: Secondary Air Injection Check Valve Quantity Needed: 1; Item Specifics: Application Summary - 2000: Buick 2005-04, Chevrolet 2005-04, GMC 2005-04, Oldsmobile 2004, Saab 2005 Feature - Benefit 1: Include gaskets and mounting hardware for a complete repair Feature - Benefit 3: Durable metal construction helps to withstand extreme temperatures Feature - Benefit 4: Quality-tested to ensure trouble-free installation and durability Marketing Description - 2000: The A.I.R. Check Valve is an emission control device that allows air into the exhaust system to help burn pollutants before they reach the atmosphere. Dorman's A.I.R Check Valve is constructed to withstand the extreme heat of the exhaust manifold and function properly every time. Color/Finish: Chrome Feature - Benefit 2: Direct replacement for a proper fit every time Inlet Size (in): 0.88 In. Interchange Part Number: 12575655, 12619128, DV131, 911-003, E258, 73-1540 Key Search Words - 2000: Secondary, Air, Injection, Check, Valve, valves Material: Metal Maximum Pressure Rating (psi): Not Applicable Other Part Number: EC1335, 1904-511379 Outlet Size (in): 1.04 In. Package Contents: Valve and Gasket Product Description - Long - 80: AIR CHECK VALVE Product Description - Short - 20: AIR CHECK VALVE Valve Type: Solenoid Working Temperature Range: -20 To 300 This part generally fits Buick, Chevrolet, GMC, Oldsmobile, Saab vehicles and includes models such as 9-7x, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, Trailblazer EXT with the trims of A Sport Utility 4-Door, B Sport Utility 4-Door, Base Sport Utility 4-Door, CXL Plus Sport Utility 4-Door, CXL Sport Utility 4-Door, EXT B Sport Utility 4-Door, EXT Sport Utility 4-Door, Linear Sport Utility 4-Door, LS Sport Utility 4-Door, LT Sport Utility 4-Door, North Face Sport Utility 4-Door, Q Sport Utility 4-Door, R Sport Utility 4-Door, SLE Sport Utility 4-Door, SLT Sport Utility 4-Door . The engine types may include 4.2L 256Cu. In. l6 GAS DOHC Naturally Aspirated. This part fits vehicles made in the following years 2004, 2005.