{"product_id":"automost-oxygen-sensor-kit-upstream-downstream-234-4012-234-4018-4-piece-for-chevy-silverado-suburban-express-gmc-yukon-tahoe","title":"Automost Oxygen Sensor Kit (Upstream \u0026 Downstream) 234-4012\/234-4018 – 4-Piece, for Chevy Silverado, Suburban, Express, GMC Yukon, Tahoe","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Automost Oxygen Sensor Kit is a complete 4-piece set designed to cover upstream and downstream sensors for a broad range of GM vehicles. With replacement part numbers 234-4012 and 234-4018, this kit is built to help you refresh your exhaust sensing system and support consistent engine performance.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e4 sensors (upstream and downstream pairs) ready for a balanced swap across your GM lineup\u003c\/li\u003e\n  \u003cli\u003eReplacement part numbers: 234-4012 and 234-4018\u003c\/li\u003e\n  \u003cli\u003eNotes on fitment and installation to aid a straightforward replacement experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility at a glance\u003c\/h3\u003e\n\u003cp\u003eDesigned to fit a wide array of Chevrolet models such as Silverado, Suburban, Tahoe, and Express vans, as well as GMC counterparts like Sierra and Yukon, plus select Cadillac and Pontiac configurations. Exact compatibility should be confirmed by model\/year and engine, using the provided part numbers.\u003c\/p\u003e\n\u003ch3\u003eWhy it matters\u003c\/h3\u003e\n\u003cp\u003eOxygen sensors monitor exhaust gas composition and help the vehicle control module optimize the air–fuel ratio. Replacing upstream and downstream sensors can help the ECU receive clean signals, which may influence fuel management, idle quality, and response to transmission or engine conditions. Outcomes vary by vehicle and condition, and this kit is designed to support proper sensor operation rather than guarantee specific results.\u003c\/p\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eThe sensors are intended for a direct swap where applicable. Follow standard safety practices, use the correct torque specs, and consult your vehicle’s service manual for procedures related to your specific year and engine type.\u003c\/p\u003e\n\u003ch3\u003eWhy choose Automost\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e4-piece upstream\/downstream sensor kit for thorough coverage\u003c\/li\u003e\n  \u003cli\u003eBroad GM vehicle compatibility, including Chevrolet, GMC, Cadillac, and Pontiac lines\u003c\/li\u003e\n  \u003cli\u003eClear replacement numbers (234-4012, 234-4018) to ensure an accurate match\u003c\/li\u003e\n  \u003cli\u003eSolid build with attention to sensor housing and electrical connections for lasting use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConsider the Automost Oxygen Sensor Kit as part of your maintenance plan to help ensure the sensors you install match your vehicle’s sensing needs. Use the compatibility guidance and installation notes to determine if this kit aligns with your repair goals.\u003c\/p\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: What vehicles is the Automost Oxygen Sensor Kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits many GM models listed in the description, including Chevrolet, GMC, Cadillac lines. Verify exact fit with part numbers 234-4012 or 234-4018.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits can I expect after installing this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possible improvements in fuel management and idle smoothness; results vary by vehicle. Replacing upstream and downstream sensors may help address misreadings and reduce check engine signals.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Automost","offers":[{"title":"Default Title","offer_id":42490072727637,"sku":"B0GMNVM34C","price":62.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/automost-oxygen-sensor-4pcs-upstream-downstream-234-4012-01.jpg?v=1778518640","url":"https:\/\/plentytorque.co.uk\/products\/automost-oxygen-sensor-kit-upstream-downstream-234-4012-234-4018-4-piece-for-chevy-silverado-suburban-express-gmc-yukon-tahoe","provider":"PlentyTorque","version":"1.0","type":"link"}