O 2 Sensor Downstream 234-4087 Air Fuel Ratio Sensor Fit for:-Chevy Venture Impala Camaro Monte Carlo for:-Oldsmobile Aurora Regency Intrigue for:-Buick for:-Pontiac Replace# 13444 21528

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O 2 Sensor Downstream 234-4087 Air Fuel Ratio Features

• 🚘【Cautions】Please check your vehicle fitment carefully in the product description to avoid any wrong purchase. 🚘Please check your part pictures with our pictures, especially the plug, it must be completely same.Or it will not fit your car. 🚘Please use "amazon confirmed fit" above to verify fitment before purchasing.

• 【Fitment】YZHIDIANF O2 Sensor 234-4087 downstream compatible For:-Chevy【Venture(1997-2004), Monte Carlo(1996-2004), Impala(2000-2004), Lumina(1996-2001), Camaro(1996-2002) 】For:-Oldsmobile【Aurora(1996-1999), Regency(1997-1998), Silhouette(1996-2004), Intrigue(1998-1999) 】For:-Buick【Riviera(1996-1999) , Lesabre(1996-2003), Park Avenue/Regal(1996-2003), Century(1996-2004)】For:-Pontiac【Bonneville(1996-2003), Montana(1997-2004), Firebird(1996-2002), Grand Prix(1996-2003)】

• 【OEM Part Number】:234-4087, 13444, 21528, ES20002, SG277, 12578459, 12587214, AFS97, AFS123, SG277, 19178747, 19178922, 25132196, 25161130, 250-24340, SG1826

• 🚘【Tip】Bank 1 Sensor 1=Upstream Right/Rear; ✅Bank 2 Sensor 1=Upstream Left/Front; ✅Bank 1 Sensor 2=Downstream Right/Rear; ✅Bank 2 Sensor 2=Downstream Left/Front; sensor 1=Upstream, sensor 2=Downstream.

• ⭐⭐⭐⭐⭐【Feature】The key parts including chip from top supplier; ✅100% test before shipment; ✅Stock parts direct replacement and with pre-coated threads to help installation; ✅Reduce harmful emissions, increase fuel economy, improve engine performance and prevent premature failure of the catalytic converter.

About O 2 Sensor Downstream 234-4087 Air Fuel Ratio