{"product_id":"pair-nox-sensors-vauxhall-opel-astra-k-1-6-cdti-55495596-55495597","title":"Pair of Nitrogen Oxide (NOx) Sensors for Vauxhall\/Opel Astra K 1.6 CDTi | OEM 55495596 \u0026 55495597","description":"\u003cp\u003eThe \u003cstrong data-start=\"32\" data-end=\"98\"\u003ePair of NOx (Nitrogen Oxide) Sensors – OEM 55495596 \u0026amp; 55495597\u003c\/strong\u003e are \u003cstrong data-start=\"103\" data-end=\"132\"\u003eemissions-control sensors\u003c\/strong\u003e designed for the \u003cstrong data-start=\"150\" data-end=\"191\"\u003eVauxhall\/Opel Astra K 1.6 CDTi diesel\u003c\/strong\u003e engine. These sensors monitor the level of \u003cstrong data-start=\"235\" data-end=\"260\"\u003enitrogen oxides (NOx)\u003c\/strong\u003e in the exhaust gases at different points in the exhaust system, providing crucial data to the \u003cstrong data-start=\"355\" data-end=\"384\"\u003eengine control unit (ECU)\u003c\/strong\u003e to optimise combustion, \u003cstrong data-start=\"409\" data-end=\"437\"\u003ereduce harmful emissions\u003c\/strong\u003e and ensure the vehicle meets environmental regulations. A faulty NOx sensor can trigger warning lights, reduce engine performance and fail emissions tests, so replacing worn or damaged sensors with this paired set helps restore \u003cstrong data-start=\"666\" data-end=\"721\"\u003eemission control efficiency and driving reliability\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Number:\u003c\/strong\u003e BNX74072, DN10101812, 935511, 55500321, A1065596, 55495597, 899239, V40720050, 0899346, V40720072, LSN044\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlacement on Vehicle :\u003c\/strong\u003e Bank 2, Rear, Post Cat, After Catalytic Converter, Position 2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCable Length :\u003c\/strong\u003e Approx. 945 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Pins :\u003c\/strong\u003e 6 Pin Connector\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Shape :\u003c\/strong\u003e Oval\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Mounting Bores :\u003c\/strong\u003e 2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThread Size : \u003c\/strong\u003eM18 x 1.5\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpanner Size :\u003c\/strong\u003e 22\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"example\" class=\"display responsive nowrap\" style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 BiTurbo\u003c\/th\u003e\n\u003cth\u003e1598cc 110KW 150HP D 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2018-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 100KW 136HP B 16 DTH;D 16 DTH\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2015-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 118KW 160HP B 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2015-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 81KW 110HP B 16 DTE;B 16 DTU;D 16 DTI;D 16 DTN\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2015-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 BiTurbo\u003c\/th\u003e\n\u003cth\u003e1598cc 110KW 150HP D 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2018-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 100KW 136HP B 16 DTH;D 16 DTH\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2015-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 118KW 160HP B 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2015-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 81KW 110HP B 16 DTE;B 16 DTU;D 16 DTI;D 16 DTN\u003c\/th\u003e\n\u003cth\u003eFWD K B16\u003c\/th\u003e\n\u003cth\u003e2015-2022\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpel\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Panel Van\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 100KW 136HP D 16 DTH\u003c\/th\u003e\n\u003cth\u003eFWD K --\u003c\/th\u003e\n\u003cth\u003e2018-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 BiTurbo\u003c\/th\u003e\n\u003cth\u003e1598cc 110KW 150HP D 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2018-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 100KW 136HP B 16 DTH;D 16 DTH\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2015-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 118KW 160HP B 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2015-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Estate\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 81KW 110HP B 16 DTE;B 16 DTU;D 16 DTI;D 16 DTN\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2015-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 BiTurbo\u003c\/th\u003e\n\u003cth\u003e1598cc 110KW 150HP D 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2018-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 100KW 136HP B 16 DTH;D 16 DTH\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2015-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 118KW 160HP B 16 DTR\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2015-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVauxhall\u003c\/th\u003e\n\u003cth\u003eAstra\u003c\/th\u003e\n\u003cth\u003eDiesel Hatch\u003c\/th\u003e\n\u003cth\u003e1.6 CDTi\u003c\/th\u003e\n\u003cth\u003e1598cc 81KW 110HP B 16 DTE;B 16 DTU;D 16 DTI;D 16 DTN\u003c\/th\u003e\n\u003cth\u003eFWD Mk VII (K) B16\u003c\/th\u003e\n\u003cth\u003e2015-2024\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctfoot\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/tfoot\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSur SKU: \u003c\/strong\u003eTVAU55495596-97PAIR_94\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAll our Pair Nox Sensor are OEM quality and reliable after market car parts. This Pair Nox Sensor \u003cspan\u003eis specifically compatible with Opel: Astra, Vauxhall: Astra, .\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003eIf you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing \u0026amp; shipping guide here.\u003c\/p\u003e\n\u003ch2 data-start=\"767\" data-end=\"788\"\u003e\u003cstrong data-start=\"772\" data-end=\"788\"\u003eKey Benefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"790\" data-end=\"1990\"\u003e\n\u003cli data-start=\"790\" data-end=\"1063\"\u003e\n\u003cp data-start=\"792\" data-end=\"1063\"\u003e\u003cstrong data-start=\"792\" data-end=\"836\"\u003eComplete Pair (Position 1 \u0026amp; Position 2):\u003c\/strong\u003e Supplied as a \u003cstrong data-start=\"851\" data-end=\"866\"\u003ematched set\u003c\/strong\u003e covering both pre- and post-catalytic converter locations (or front\/rear NOx sensor positions), ensuring full emission monitoring where required by the ECU. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1064\" data-end=\"1305\"\u003e\n\u003cp data-start=\"1066\" data-end=\"1305\"\u003e\u003cstrong data-start=\"1066\" data-end=\"1093\"\u003eOEM-Referenced Quality:\u003c\/strong\u003e Matches original part numbers \u003cstrong data-start=\"1124\" data-end=\"1136\"\u003e55495596\u003c\/strong\u003e (first sensor) and \u003cstrong data-start=\"1156\" data-end=\"1168\"\u003e55495597\u003c\/strong\u003e (second sensor) specified by Opel\/Vauxhall for diesel emissions systems on the Astra K 1.6 CDTi. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1306\" data-end=\"1553\"\u003e\n\u003cp data-start=\"1308\" data-end=\"1553\"\u003e\u003cstrong data-start=\"1308\" data-end=\"1340\"\u003eImproves Emissions Accuracy:\u003c\/strong\u003e Helps the ECU measure and adjust fuel injection and exhaust treatment systems more accurately, reducing NOx output and helping maintain compliance with emissions standards. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1554\" data-end=\"1811\"\u003e\n\u003cp data-start=\"1556\" data-end=\"1811\"\u003e\u003cstrong data-start=\"1556\" data-end=\"1588\"\u003eRestores Engine Performance:\u003c\/strong\u003e When NOx sensors fail, you may experience rough running, reduced fuel economy and limp-home modes — replacing both sensors helps eliminate these faults and supports smooth operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1812\" data-end=\"1990\"\u003e\n\u003cp data-start=\"1814\" data-end=\"1990\"\u003e\u003cstrong data-start=\"1814\" data-end=\"1857\"\u003eDurable Design for Diesel Applications:\u003c\/strong\u003e Built to withstand high exhaust temperatures and long-term exposure to diesel combustion by-products common in turbo-diesel engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1997\" data-end=\"2039\"\u003e\u003cstrong data-start=\"2002\" data-end=\"2039\"\u003eFrequently Asked Questions (FAQs)\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2041\" data-end=\"2391\"\u003e\u003cstrong data-start=\"2041\" data-end=\"2080\"\u003eQ1: What exactly do NOx sensors do?\u003c\/strong\u003e\u003cbr data-start=\"2080\" data-end=\"2083\"\u003e\u003cstrong data-start=\"2083\" data-end=\"2089\"\u003eA:\u003c\/strong\u003e NOx sensors measure the \u003cstrong data-start=\"2114\" data-end=\"2150\"\u003econcentration of nitrogen oxides\u003c\/strong\u003e in the exhaust stream and send that information to the vehicle’s ECU. This helps the engine adjust combustion and exhaust treatment systems to \u003cstrong data-start=\"2294\" data-end=\"2322\"\u003ereduce harmful emissions\u003c\/strong\u003e and improve engine efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2393\" data-end=\"2760\"\u003e\u003cstrong data-start=\"2393\" data-end=\"2434\"\u003eQ2: Why am I replacing \u003cem data-start=\"2418\" data-end=\"2423\"\u003etwo\u003c\/em\u003e sensors?\u003c\/strong\u003e\u003cbr data-start=\"2434\" data-end=\"2437\"\u003e\u003cstrong data-start=\"2437\" data-end=\"2443\"\u003eA:\u003c\/strong\u003e Modern diesel engines typically use \u003cstrong data-start=\"2480\" data-end=\"2499\"\u003etwo NOx sensors\u003c\/strong\u003e: one before and one after the catalytic converter \/ SCR system to monitor how effectively NOx emissions are being reduced. For accurate emissions control and fault diagnosis, both are replaced together when worn or faulty. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2762\" data-end=\"3098\"\u003e\u003cstrong data-start=\"2762\" data-end=\"2819\"\u003eQ3: Which vehicles are these sensors compatible with?\u003c\/strong\u003e\u003cbr data-start=\"2819\" data-end=\"2822\"\u003e\u003cstrong data-start=\"2822\" data-end=\"2828\"\u003eA:\u003c\/strong\u003e This paired NOx sensor set is commonly fitted to \u003cstrong data-start=\"2878\" data-end=\"2912\"\u003eVauxhall\/Opel Astra K 1.6 CDTi\u003c\/strong\u003e diesel models produced roughly from \u003cstrong data-start=\"2949\" data-end=\"2962\"\u003e2015–2022\u003c\/strong\u003e with the \u003cstrong data-start=\"2972\" data-end=\"2979\"\u003eB16\u003c\/strong\u003e engine family. Always verify compatibility with your \u003cstrong data-start=\"3033\" data-end=\"3059\"\u003eold part number or VIN\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3100\" data-end=\"3386\"\u003e\u003cstrong data-start=\"3100\" data-end=\"3150\"\u003eQ4: What are signs the NOx sensors are faulty?\u003c\/strong\u003e\u003cbr data-start=\"3150\" data-end=\"3153\"\u003e\u003cstrong data-start=\"3153\" data-end=\"3159\"\u003eA:\u003c\/strong\u003e Symptoms include the \u003cstrong data-start=\"3181\" data-end=\"3203\"\u003echeck engine light\u003c\/strong\u003e, emissions test failure, rough idle, reduced fuel economy or decreased engine power — often caused by inaccurate NOx readings or sensor failure. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3388\" data-end=\"3687\"\u003e\u003cstrong data-start=\"3388\" data-end=\"3425\"\u003eQ5: Is this pair easy to install?\u003c\/strong\u003e\u003cbr data-start=\"3425\" data-end=\"3428\"\u003e\u003cstrong data-start=\"3428\" data-end=\"3434\"\u003eA:\u003c\/strong\u003e Replacing NOx sensors involves accessing the \u003cstrong data-start=\"3480\" data-end=\"3528\"\u003eexhaust manifold and downstream exhaust pipe\u003c\/strong\u003e areas, so while doable for experienced DIYers, professional installation is recommended to ensure correct sensor calibration and to clear any ECU fault codes.\u003c\/p\u003e","brand":"globalcarpart.com","offers":[{"title":"Default Title","offer_id":56512805601657,"sku":"TVAU55495596-97PAIR_94","price":309.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/4740\/1441\/files\/TVAU55495596-97PAIR_1.jpg?v=1768634995","url":"https:\/\/www.globalcarpart.com\/products\/pair-nox-sensors-vauxhall-opel-astra-k-1-6-cdti-55495596-55495597","provider":"globalcarpart.com","version":"1.0","type":"link"}