{"product_id":"heated-oxygen-sensor-4","title":"Heated Oxygen Sensor","description":"The ACDelco AFS74 oxygen (O2) sensor is a GM Genuine part, offering a direct replacement for your vehicle's original component. As a special feedback sensor integrated into the exhaust system, it precisely measures oxygen levels in the exhaust gases. This critical data enables the engine management computer to fine-tune the air\/fuel mixture to the ideal ratio of 14.7:1, thereby optimizing engine performance, minimizing emissions, and maximizing fuel economy.\n\nManufactured to GM OE specifications, this heated oxygen sensor ensures fit, form, and function comparable to the original equipment. It features a threaded mounting type with an M18x1.5 thread size and a 0.71-inch thread diameter, along with a 349.5 mm (13.74 inch) overall length and a 252 mm (9.92 inch) wiring harness. The sensor itself has an oval connector shape and three male terminals.\n\nProper functioning of the O2 sensor is vital for engine efficiency. However, these sensors can fail due to contamination from various sources. Common contaminants include antifreeze, silicone sealants, and carbon buildup. Issues like cracked cylinder heads, leaking head gaskets, clogged air filters, or defective fuel injectors can lead to sensor contamination and premature failure. It is recommended to visually inspect the sensor for signs of contamination and address any underlying issues before replacing the sensor to ensure longevity.","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":52686749860152,"sku":"AFS74","price":48.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660178550.webp?v=1784876290","url":"https:\/\/store.motormia.co\/products\/heated-oxygen-sensor-4","provider":"MOTORMIA","version":"1.0","type":"link"}