{"product_id":"hyundai-kia-3-pin-headlight-o2-sensor-connector-oem-hn032-03020-hn036-03027","title":"Hyundai \/ Kia 3-Pin Headlight \/ Oxygen Sensor Waterproof Connector – OEM HN032-03020 \/ HN036-03027","description":"\u003ch2\u003eHyundai \/ Kia 3-Pin Headlight \/ Oxygen Sensor Waterproof Connector – OEM HN032-03020 \/ HN036-03027\u003c\/h2\u003e\n\u003cp\u003eDirect OEM-specification replacement for the Hyundai \/ Kia 3-pin waterproof wire harness connector used on headlight assemblies and oxygen (lambda) sensor harnesses across Hyundai and Kia platforms. Cross-references OEM part numbers \u003cstrong\u003eHN032-03020\u003c\/strong\u003e and \u003cstrong\u003eHN036-03027\u003c\/strong\u003e. Grey nylon housing with waterproof sealing — designed for both exterior lighting and underbonnet sensor applications where moisture resistance is required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Problem Does This Connector Solve?\u003c\/h3\u003e\n\u003cp\u003eThe 3-pin waterproof connector is used across two critical circuits on Hyundai and Kia vehicles. As a \u003cstrong\u003eheadlight connector\u003c\/strong\u003e, it is located in the front bumper area and is exposed to road spray, stone chips, and temperature cycling — causing the locking tab to fracture and the terminals to corrode, resulting in a dead headlight or intermittent lighting fault. As an \u003cstrong\u003eoxygen sensor connector\u003c\/strong\u003e, it is located in the exhaust system heat zone, where thermal cycling causes the rubber seal to harden and crack, allowing moisture to corrode the terminals and produce \u003cstrong\u003eP0130–P0167\u003c\/strong\u003e (O2 sensor circuit) fault codes and increased fuel consumption.\u003c\/p\u003e\n\n\u003ch3\u003eOEM Part Number Cross-Reference\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Number\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHN032-03020\u003c\/td\u003e\n\u003ctd\u003eHyundai\/Kia 3-pin waterproof connector (primary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHN036-03027\u003c\/td\u003e\n\u003ctd\u003eHyundai\/Kia 3-pin waterproof connector (alternate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e3-Pin Circuit Function\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction (O2 Sensor)\u003c\/th\u003e\n\u003cth\u003eFailure Symptom if Open\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eHeater power supply (12V)\u003c\/td\u003e\n\u003ctd\u003eO2 sensor heater fault, P0135\/P0141\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eHeater ground\u003c\/td\u003e\n\u003ctd\u003eSensor slow to reach operating temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eO2 signal output\u003c\/td\u003e\n\u003ctd\u003eP0130–P0167, rich\/lean fault, high fuel consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e3-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eNylon, grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing\u003c\/td\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Numbers\u003c\/td\u003e\n\u003ctd\u003eHN032-03020 \/ HN036-03027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eHeadlight harness, oxygen \/ lambda sensor harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eHyundai, Kia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyundai Elantra \/ Sonata \/ Tucson\u003c\/strong\u003e – Headlight harness and O2 sensor connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyundai Santa Fe \/ ix35 \/ Creta\u003c\/strong\u003e – Oxygen sensor and headlight connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKia Sportage \/ Sorento \/ Cerato\u003c\/strong\u003e – O2 sensor harness and headlight connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKia Optima \/ Carnival \/ Stinger\u003c\/strong\u003e – Oxygen sensor and exterior lighting connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My Hyundai has a P0135 O2 sensor heater fault — could it be the connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A corroded or open 3-pin O2 sensor connector is a common cause of P0135 (upstream O2 sensor heater circuit) on Hyundai and Kia vehicles. Test the O2 sensor heater resistance first (typically 5–20Ω) — if it is within specification, the fault is in the connector or wiring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are terminals included?\u003c\/strong\u003e\u003cbr\u003eA: Yes, terminals are included with all variants.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"1 Pcs \/ male with wires","offer_id":47838108025077,"sku":"14:200002130#male with wires;200001249:202408827#1 Pcs","price":28.38,"currency_code":"USD","in_stock":true},{"title":"1 Pcs \/ female with Pin","offer_id":47838108057845,"sku":"14:200004889#female with Pin;200001249:202408827#1 Pcs","price":17.82,"currency_code":"USD","in_stock":true},{"title":"1 Pcs \/ female male with Pin","offer_id":47838108090613,"sku":"14:200004891#female male with Pin;200001249:202408827#1 Pcs","price":36.74,"currency_code":"USD","in_stock":true},{"title":"1 Pcs \/ male with Pin","offer_id":47838108123381,"sku":"14:200004890#male with Pin;200001249:202408827#1 Pcs","price":17.82,"currency_code":"USD","in_stock":true},{"title":"1 Pcs \/ female with wires","offer_id":47838108156149,"sku":"14:200003699#female with wires;200001249:202408827#1 Pcs","price":28.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/H54bd323524f44ba582e914c4f238b7730.webp?v=1773726855","url":"https:\/\/www.csldmcml.com\/products\/hyundai-kia-3-pin-headlight-o2-sensor-connector-oem-hn032-03020-hn036-03027","provider":"Cable Parts Online","version":"1.0","type":"link"}