Description:

[Vehicle Fitment]: "Upstream & Downstream": Compatible with Buick Verano 2012-2014 L42.4L (B1S1;B1S2); Compatible with Chevrolet Express2500 2012-2012 V86.0L, Express3500 2008-2015 V86.0L, Express4500 2009-2014 V86.0L, Express4500 2015-2016 V86.0L (B1S1;B1S2; B2S1;B2S2), Savana3500 2008-2015 V86.0L (CutawayVan), Savana4500 2009-2014 V86.0L, Savana4500 2015-2016 V86.0L (B1S2;B2S2). [Vehicle Fitment]: "DownstreamLeft&Right": Compatible with Chevrolet Avalanche2500 2003-2006 V88.1L, Silverado2500HD/Silverado3500/Suburban2500 2003-2006 V88.1L, Silverado3500Classic 2007 V88.1L; Compatible with GMC Sierra2500HD/Sierra3500/YukonXL2500 2003-2006 V88.1L, Sierra3500Classic 2007-2007 V88.1L. [Reference Number]: 12622308, 250-24492,12609477, 12609949, 12612571, 250-24491, 12572705, 12617332, 12637298. [Specification]: Wire Quantity: 4; Overall Length: 550+380 mm; Mounting Type: Threaded; Sensor Type: Heated; Connector Gender: Female & 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.