Oxygen Sensor Replacement Kit 234-4012 234-4018 Upstream & Downstream Lambda Oxygen Sensor Fit for Express Tahoe C1500 Suburban GMC Savana Yukon K1500 Direct Fit Replacement

Applicable vehicle models: Fit Fit for 1996-2002 EXPRESS 3500Fit Fit for 1996-2002 TAHOEFit Fit for 2002 AVALANCHE 1500Fit Fit for 1996-1999 C1500 SUBURBANFit Fit for 1996-1999 C1500 TRUCKFit Fit for 1996-1999 K1500 SUBURBANFit Fit for 1996-1999 K1500 TRUCKFit Fit for 1996-1997 ASTROFit Fit for 1996 G30 VANFit Fit for 2000-2002 GMC YUKON XL 1500Fit Fit for 1999-2002 GMC SIERRA 1500Fit Fit for 1996-2002 GMC SAVANA 1500Fit Fit for 1996-2002 GMC SAVANA 2500Fit Fit for 1996-2002 GMC SAVANA 3500Fit Fit for 1996-2002 GMC YUKONFit Fit for 1996-1999 GMC C15/C1500 PICKUPFit Fit for 1996-1999 GMC C15/C1500Fit Fit for 1996-1999 GMC K15/K1500Fit Fit for 1996-1999 GMC K15/K1500 TRUCKFit Fit for 1996-1997 GMC SAFARIFit Fit for 1996 GMC G35/G3500 VANType : Heating TypeMeasuring Range : Lambda Oxygen O2 SensorSensor Type : HolzerOEM NO. : 234-4012 234-4018Applications : Fit Fit for Express Tahoe C1500 Suburban Fit for GMC Savana Yukon K1500Interchange Number 2 : 234-4018, 19178116, 19178935, 19178945, 19178958, 25312194Interchange Number 1 : 234-4012, 19178918, 19178930, 19178937, 19178961, 25315809, 8251653130Placement on Vehicle : Upstream 234-4012+Downstream 234-4018Received product quantity : 2PCS 234-4012+2PCS 234-4018

• 1.Direct OE Replacement – Premium Oxygen Sensor (Lambda Sensor, O2 Sensor) matches OEM specs for plug-and-play fit.
• 2.Precise AFR Control – Air Fuel Ratio Sensor ensures accurate readings, boosting engine performance and fuel economy.
• 3.Rugged & Durable – Wideband O2 Sensor (LSU 4.2/4.9) withstands extreme heat and vibration for long-lasting use.
• 4.Universal Fit – 4-wire / 5-wire Universal Oxygen Sensor simplifies installation—no special tools needed.
• 5.Each Upstream/Downstream Oxygen Sensor passes strict quality checks for reliable operation.