Description:

[Vehicle Fitment]: Compatible with Nissan Altima 2011-2012 L4 2.5L---Upstream and Downstream; Non California-ESV; B1S1; B1S2; Fit Gas Only. [Reference Number]: 250-24771, 234-4381, 250-54082, 350-64061, 234-9107, 24854, 25024771, 2344381, 25054082, 35064061, 2349107. [Specifications]: Wire Quantity: 4; Sensor Type: Heated; Mounting Type: Threaded; Connector Gender: Male; 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.