Description:

[Vehicle Fitment]: "Upstream & Downstream": Compatible with Chevrolet Classic 2004-2005 L4 2.2L; Compatible with Oldsmobile Alero 2002-2004 L4 2.2L (Naturally Aspirated); Compatible with Pontiac Grand Am 2002-2005 L4 2.2L (Naturally Aspirated)---B1S1; B1S2. [Reference Number]: 250-24321, 350-34436, SU1491, OS5202, OS5199, 234-4209, 12568234, 12574218, 12558143, 250-24273. [Specification]: Wire Quantity: 4; Overall Length: 1100+310 mm; Mounting Type: Threaded; Sensor Type: Heated; Connector Gender: Male & Female; Package Quantity: 2x Oxygen Sensor; Packaging Type: Box. [Quality Construction]: Manufactured from premium materials for a long lifespan; Quick and easy installation, requiring no special tools.