Four upstream and downstream oxygen sensors are available for Lexus IS350 IS250 2006-2008 and GS450h 2007-2011.

Condition:New|Sensor Type:Oxygen Sensor|Wire Quantity:4|Number of Sensors:4|Type:Oxygen O2 Lambda Sensor|Placement on Vehicle:Front, Upstream, Pre-cat, Downsteam, Post-cat, Rear|Terminal Type: for Mini -Blade|Features:Direct Fit, Easy Installation|Manufacturer Part Number:234-9051 234-4521|OE/ Part Number:234-9051 234-4521|Country/Region of Manufacture:China|Connector Type:Male|Connector Color:Gray|Mounting Style:Screw-In|Interchange Part Number:2349051, 4432002034, 8946760020, 8946771020|UPC:641827463670|Bundle Listing:Yes|Fitment Type:Direct Replacement|Other Part Number:2344521, 89465-30730, 8946530730, 8946530740, 2344519|Surface Finish:100% New|Part number:25024213, 250-24213, 24840, 8946530A60, ES20059|part number.:8946704020, 8946730010, 8946750030|Wire Harness Length:8.66 In. & 21.65 In.|Brand:Unbranded|MPN:234-9051*2 + 89465-30730*2