{"product_id":"upstream-air-fuel-ratio-lambda-o2-oxygen-sensor-for-buick-envision-cadillac-ct4-chevy-silverado-gmc-sierra-2-0l-55489474","title":"Oxygen Sensor Upstream Lambda O2 for Buick Envision","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Oxygen Sensor Upstream Lambda O2 for Buick Envision — a 100% brand-new upstream oxygen sensor designed to deliver precise air-fuel readings before the catalytic converter. This part, with OEM numbers 55489474 and 350-35163, is built to fit Buick Envision 2021–2022 2.0L L4 Turbocharged and a broad family of GM vehicles including Cadillac CT4\/CT4, CT5, CT6, XT4, XT5, XT6; Chevrolet Blazer; Silverado 1500; GMC Acadia and Sierra 1500 variants. The sensor uses piezoelectric sensing with a built-in heating element to reach operating temperature quickly for accurate readings from cold starts.\u003c\/p\u003e \u003cp\u003eWith a direct-fit replacement, it restores proper sensor signals, improving throttle response, fuel economy, and emissions control. Replacing a failing upstream O2 sensor helps protect the catalytic converter and maintain peak engine performance over time.\u003c\/p\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003ch3\u003eBenefits \u0026amp; Tips\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003eRestores optimal air-fuel ratio readings to support efficient combustion and lower emissions.\u003c\/li\u003e\n\u003cli\u003eHeated upstream sensor reduces warm-up time, aiding quicker stabilisation of engine performance after startup.\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement that helps restore throttle response and avoid diagnostic trouble codes caused by a malfunctioning O2 sensor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct specifications\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003eBrand: IWOKPHD\u003c\/li\u003e\n\u003cli\u003eOEM No.: 55489474 350-35163\u003c\/li\u003e\n\u003cli\u003ePart Type: Upstream Oxygen Sensor (O2 Sensor) — Front\/Upstream, Lambda sensor\u003c\/li\u003e\n\u003cli\u003eSensor Type: Piezoelectric, Heating Type\u003c\/li\u003e\n\u003cli\u003eApplication\/Fitment: Buick Envision 2021–2022 2.0L L4 Turbocharged; Cadillac CT4 2020–2022 2.0L L4 Turbo; Cadillac CT4 2020–2022 2.7L L4 Turbo; Cadillac CT5 2020–2022 2.0L L4 Turbo; Cadillac CT6 2019 2.0L L4 Turbo; Cadillac XT4 2019–2022 2.0L L4 Turbo; Cadillac XT5 2020–2022 2.0L L4 Turbo; Cadillac XT6 2021–2022 2.0L L4 Turbo; Chevrolet Blazer 2020–2022 2.0L L4 Turbo; Chevrolet Silverado 1500 2019–2022 2.7L L4 Turbo; Chevrolet Silverado 1500 LTD 2022 2.7L L4 Turbo; GMC Acadia 2020–2022 2.0L L4 Turbo; GMC Sierra 1500 2019–2022 2.7L L4 Turbo; GMC Sierra 1500 Limited 2022 2.7L L4 Turbo\u003c\/li\u003e\n\u003cli\u003eOrigin: Mainland China\u003c\/li\u003e\n\u003cli\u003eMeasuring Range: Upstream Front Air Fuel Ratio (Lambda) O2\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year (Replacement)\u003c\/li\u003e\n\u003cli\u003eNotes: 100% brand new, thoroughly tested before shipment, perfect match for the car, stable installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePackage includes:\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e1 x Oxygen Sensor\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWarnings \/ Reminders\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003ePlease check the product picture and fitment before ordering. If you are unsure, contact us before purchasing; refunds may not be issued for incorrect orders.\u003c\/li\u003e\n\u003cli\u003eItems are shipped within 2 working days after payment is confirmed. Ensure your shipping address is correct.\u003c\/li\u003e\n\u003cli\u003eReturn policy: We will replace malfunctioning items when you receive them; items must be returned in original packaging.\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year replacement from the date of receipt.\u003c\/li\u003e\n\u003cli\u003eImport duties and taxes are buyer’s responsibility; these charges are not included in item price or shipping.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eLanguage support:\u003c\/strong\u003e English is supported for this product (where available).\u003c\/p\u003e \u003cp\u003eDiscreet trust statement: Since 2002, intercyprus.com has been a trusted source for quality automotive parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":53370906706262,"sku":"1005012172041244-Default Title","price":59.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S767e3e397eb94775880afe42a0150fc1U.webp?v=1777660401","url":"https:\/\/www.intercyprus.com\/products\/upstream-air-fuel-ratio-lambda-o2-oxygen-sensor-for-buick-envision-cadillac-ct4-chevy-silverado-gmc-sierra-2-0l-55489474","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}