BLPextrm Oxygen O2 Sensor Upstream Replacement for Cadillac Escalade Chevy Suburban Silverado 1500 HD Express GMC Yukon XL H2 6.0L 8.1L V8 Replaces# 234-4669 Set of 2

Features

• APPLICATION- Oxygen Sensor Upstream Replacement for Cadillac Escalade 2003-2006, Chevy Avalanche 2500 2003-2006, Camaro 2010-2015, Caprice 2014-2017, Corvette 2009-2013, Silverado 1500/2500/3500 Classic, Subrban 1500/2500, GMC Sierra 1500/2500/3500 Classic 2007,Yukon XL 1500/2500, H2 2003-2006.
• REPLACEMENT PART NO.- Oxygen Sensor Replace 234-4669,2344669.Before purchasing an oxygen sensor, please carefully check your vehicle's year, brand and model, image, and part number to confirm compatibility.
• HIGH STABILITY- BLPextrm Oxygen Sensor has stainless steel shell,aluminum oxide capture layer and pre coated thread. Solve the problems of unstable idle speed,frequent stalling and poor acceleration for your car.
• OXYGEN SENSOR WORKING PRINCIPLE- Oxygen sensor trap layer does not allow the platinum electrode to be damaged.Measure the oxygen content after combustion, convert it into a voltage signal and send it to the engine computer to achieve closed-loop control of excess coefficient.
• 24-HOUR RESPONSE - Packag include 2 upstream oxygen sensors. If you have any installation issues, please contact us via email. We will reply to you within 24 hours.