{"product_id":"ntk-heated-zirconia-upstream-oxygen-sensor-ae92-corolla","title":"AE92 NTK Heated Zirconia Upstream Oxygen Sensor | 4A-GE \/ 4A-GZE (1988-91 Corolla)","description":"\u003ch2\u003eNTK Heated Zirconia Upstream Oxygen Sensor\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1988–1991 Toyota Corolla AE92 coupe equipped with the 4A-GE or 4A-GZE and an original heated zirconia upstream sensor circuit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis NTK sensor replaces the \u003cstrong\u003eupstream oxygen sensor\u003c\/strong\u003e on 1988–1989 U.S.-market Toyota Corolla AE92 GT-S coupes, 1990–1991 California-emissions GT-S coupes with the 4A-GE, and 1989–1991 Japanese-market supercharged AE92 coupes with the 4A-GZE. The attached harness and connector match the original heated zirconia sensor connection.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ezirconia sensor produces a voltage signal\u003c\/strong\u003e for the engine's original oxygen-sensor circuit. \u003cstrong\u003eIt is not interchangeable with a titania sensor\u003c\/strong\u003e, which changes electrical resistance. Original sensor-circuit identity is essential for transition-production vehicles.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector-equipped harness\u003c\/strong\u003e retains the original sensor connection without a universal splice-in conversion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated heater\u003c\/strong\u003e matches the original heated sensor configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange-mounted design\u003c\/strong\u003e for the specified original exhaust interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1989–1991:\u003c\/strong\u003e Sprinter Trueno coupe (JDM) \/ 4A-GZE \/ 05\/1989–06\/1991 Production \/ original heated zirconia circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1989–1991:\u003c\/strong\u003e Corolla Levin coupe (JDM) \/ 4A-GZE \/ 05\/1989–06\/1991 Production \/ original heated zirconia circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e GT-S coupe (U.S.-Market) \/ 4A-GE \/ 08\/1987–08\/1989 Production \/ original zirconia No. 1 upstream circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1990–1991:\u003c\/strong\u003e GT-S coupe (U.S.-Market) \/ 4A-GE \/ California emissions \/ No. 1 upstream.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e May 1989 Japanese-market builds and August 1989 U.S.-market builds require the original sensor-circuit identity as well as the production date. A transition-month date alone does not establish which sensor fits.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes not replace the original titania sensor in 1990–1991 U.S.-market Federal-emissions GT-S coupes.\u003c\/strong\u003e Original vehicle application or service records must establish the circuit; a previously fitted replacement sensor is not sufficient by itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpstream replacement only.\u003c\/strong\u003e The California Corolla No. 2 downstream sensor is a separate position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a replacement for single-circuit sensors\u003c\/strong\u003e in Japanese-market naturally aspirated 4A-GE coupes or 05\/1987–05\/1989 Production 4A-GZE coupes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal exhaust, connector and electrical configuration only;\u003c\/strong\u003e engine swaps and altered wiring require separate evaluation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e NTK\u003cbr\u003e\u003cstrong\u003ePosition:\u003c\/strong\u003e Upstream\u003cbr\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e Heated, four-lead, connector-equipped\u003cbr\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e Flange\u003cbr\u003e\u003cstrong\u003eLead Length:\u003c\/strong\u003e 250 mm (9.75 in)\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Upstream oxygen sensor with attached harness, connector and supplied sealing gasket.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":68022470050101,"sku":"1750","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/1logos_1_b7565aff-7d7b-4729-becd-697cef329c5e.png?v=1793823464","url":"https:\/\/preserverad.com\/products\/ntk-heated-zirconia-upstream-oxygen-sensor-ae92-corolla","provider":"Preserve Rad","version":"1.0","type":"link"}