Demand authentic OEM GM parts for the exceptional quality and performance requirements of your vehicle. The recommended part 12721346 Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 2 S is also referred to as GM Oxygen Sensor. We distribute these components through all certified dealer networks operating across the United States. All products have a 12-month, 12,000-mile warranty. The performance of your vehicle requires original equipment manufacturer components for proper installation. This item fits the following: Chevrolet Tahoe, Silverado 1500, Suburban; GMC Sierra 1500, Yukon, Yukon XL; Cadillac Escalade, Escalade ESV.
This genuine GM produces the high-performing Part Number: 12721346 as a quality Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 2 S for vehicles. This 12721346 is also known as SENSOR ASM-HTD OXY (PRE-CATALYST BANK 2 S, and it's right for the Passenger Side position. This Direct Replacement part provides guaranteed perfect compatibility to allow easy insertion into your vehicle system. This part 12721346 Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 2 S receives GM factory warranty that ensures reliability and performance which makes it necessary for maintaining vehicle efficiency. The oxygen sensor serves to supervise unburned oxygen levels within exhaust gases to achieve correct air-fuel ratios and reduce environmental pollution emissions. The oxygen sensor creates a voltage signal to enable the engine control computer adjust fuel injector timing which optimizes engine performance. A Cadillac vehicle contains multiple oxygen sensors where one pair is front of the catalytic converter known as upstream sensors and additional sensors function to check converter efficiency located downstream. Both conventional zirconium dioxide oxygen sensors and present-day air/fuel ratio sensors show signs of degeneration together with contamination that creates negative impacts for performance alongside compromised emission control. Engine system efficiency depends on maintaining the oxygen sensor in proper working condition. Our Shipping Policy together with our Return Policy provide complete information about shipping procedures along with GM product returns.
The ideal choice to make when wanting an assuring quality and a flawless performance is OEM parts. These items are checked closely in terms of quality and designed to fit perfectly into GM's specifications in terms of factory completion making it very easy to install the parts. We have a large stock of OEM GM components, which also come at highly competitive prices in the market. Just in case you need any new original GM parts please be assured that we would provide them to you at your doorstep within a short period of time. In addition to this, all our pieces are covered by the manufacturer's warranty.