{"product_id":"oem-audi-4l0906261f-0281007020-0281007021","title":"Diesel Particulate Matter Sensor 4L0906261F \/ 0281007020 \/ 0281007021 for Audi Q7 VW Touareg Porsche Cayenne Diesel Emission System","description":"\u003cp\u003eFitment Level: OE Match \/ Platform Verified\u003c\/p\u003e\n\u003cp\u003eCompatible with Volkswagen Group diesel emission aftertreatment systems using OEM references:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4L0906261F\u003c\/li\u003e\n\u003cli\u003e4L0 906 261 F\u003c\/li\u003e\n\u003cli\u003e0281007020\u003c\/li\u003e\n\u003cli\u003e0281007021\u003c\/li\u003e\n\u003cli\u003eBosch PM sensor family 0 281 007 020 \/ 0 281 007 021\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTypical applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAudi Q7 4L 3.0 TDI \/ 4.2 TDI diesel\u003c\/li\u003e\n\u003cli\u003eVolkswagen Touareg 7L \/ early 7P diesel variants\u003c\/li\u003e\n\u003cli\u003ePorsche Cayenne 92A \/ 958 3.0 TDI diesel (platform-shared system)\u003c\/li\u003e\n\u003cli\u003eEA896 \/ CNRB \/ CASA diesel engine families (Euro 5–Euro 6 transition systems)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis sensor is used in \u003cstrong\u003ediesel particulate matter monitoring systems\u003c\/strong\u003e, where it measures soot concentration downstream of the diesel particulate filter (DPF). The ECU uses this signal to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003everify DPF efficiency\u003c\/li\u003e\n\u003cli\u003econtrol regeneration cycles\u003c\/li\u003e\n\u003cli\u003edetect abnormal soot breakthrough or filter damage\u003c\/li\u003e\n\u003cli\u003eimprove emissions accuracy over pressure-only models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e⚠️ Important:\u003cbr\u003eThis is a \u003cstrong\u003eDPF particulate matter (PM) sensor\u003c\/strong\u003e, not a NOx or pressure sensor.\u003cbr\u003eIt directly measures soot concentration after the DPF and is essential for emissions control and regeneration strategy in VAG large diesel SUV platforms.\u003c\/p\u003e\n\u003cp\u003eFitment must always be confirmed strictly by OEM number (4L0906261F), as Q7\/Touareg\/Cayenne diesel systems have multiple sensor revisions across model years and engine codes.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51636267942020,"sku":"4L0906261F","price":155.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_1f33ba3a-8a8a-44a7-b4a4-2b1840267d74.jpg?v=1773732417","url":"https:\/\/www.jslook.com\/products\/oem-audi-4l0906261f-0281007020-0281007021","provider":"ASHENG","version":"1.0","type":"link"}