{"product_id":"maxfavor-oxygen-sensor-o2-sensor-upstream-downstream-234-4018-234-4012-for-chevy-gmc-cadillac","title":"Maxfavor Oxygen Sensor O2 Sensor Upstream \u0026 Downstream — 234-4018 \/ 234-4012 for Chevy, GMC, Cadillac","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Maxfavor Oxygen Sensor is designed as a reliable OE-style replacement that matches the fit and function of original sensors. Built to work with a broad spectrum of GM vehicles from the late 1990s through the early 2000s, this sensor helps monitor exhaust oxygen levels to support proper air-fuel balance and efficient combustion. While results can vary by vehicle and driving conditions, users may notice smoother idle and responsive throttle as the engine receives accurate feedback from the sensor.\u003c\/p\u003e\n\u003cp\u003eManufactured to align with upstream and downstream configurations, this sensor family aims to mirror the performance of the sensors it replaces. Its robust construction is meant to withstand the heat and vibrations typical of daily driving, helping you maintain consistent sensor readings over time.\u003c\/p\u003e\n\u003ch3\u003eCompatibility \u0026amp; Range\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFits a wide range of GM cars and trucks from 1996 to 2002, including Chevy Tahoe, Silverado, Suburban, Express, and GMC Sierra\/Savana models.\u003c\/li\u003e\n  \u003cli\u003eAlso suitable for Yukon, Cadillac Escalade, and related GM SUV\/van applications of the era.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOE References \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement OE numbers include a variety of authentic cross-references such as 19178116, 19178935, 19178945, 25312194, 2344018 and more for the 234-4018 and 234-4012 families.\u003c\/li\u003e\n  \u003cli\u003eThe listing covers both upstream and downstream sensors to match your vehicle’s sensor topology and diagnostic needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Setup\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eLocate the oxygen sensor position and remove it with a socket, taking care to avoid wire damage.\u003c\/li\u003e\n  \u003cli\u003eCompare the new sensor to the old one to ensure proper fit and orientation.\u003c\/li\u003e\n  \u003cli\u003eClean the threaded port to guarantee a proper seal for the new sensor.\u003c\/li\u003e\n  \u003cli\u003eGently tighten the sensor to keep the wire clear from heat sources or moving parts to prevent leakage.\u003c\/li\u003e\n  \u003cli\u003eReconnect the connector and, if needed, clear diagnostic trouble codes from the vehicle’s computer.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBuy With Confidence\u003c\/h3\u003e\n\u003cp\u003eIf the sensor does not fit your vehicle, you can return it. Please ensure the item is clean and packaged in good condition to qualify for a return.\u003c\/p\u003e\n\u003ch3\u003eReal-Life Use Scenarios\u003c\/h3\u003e\n\u003cp\u003eImagine a daily commute where the engine shares precise feedback about exhaust oxygen levels. The sensor’s performance contributes to steadier idle, improved throttle feel, and a smoother drive in city traffic or on long highway trips. While not a guarantee, the sensor’s compatibility and OE-style design aim to provide a dependable replacement experience for many GM models from that era.\u003c\/p\u003e\n\u003ch3\u003eKey Takeaways\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBroad GM compatibility across several models and years\u003c\/li\u003e\n  \u003cli\u003eOE-number cross-refs help simplify supplier matching\u003c\/li\u003e\n  \u003cli\u003eClear installation steps that emphasize proper sealing and wiring safety\u003c\/li\u003e\n  \u003cli\u003eReturn option if it does not fit your vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this oxygen sensor compatible with my GM vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits a broad range of GM models from the late 1990s to early 2000s, including Chevy, GMC, and Cadillac vehicles listed in the specs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I install the sensor and what if it doesn't fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow the steps: locate, compare, clean the port, tighten, reconnect. If it does not fit, returns are accepted in clean condition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Maxfavor","offers":[{"title":"Default Title","offer_id":42468824252501,"sku":"B0DQCN2BSZ","price":42.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/maxfavor-oxygen-sensor-upstream-chevy-tahoe-1500.jpg?v=1778081400","url":"https:\/\/plentytorque.co.uk\/products\/maxfavor-oxygen-sensor-o2-sensor-upstream-downstream-234-4018-234-4012-for-chevy-gmc-cadillac","provider":"PlentyTorque","version":"1.0","type":"link"}