{"product_id":"renault-peugeot-citroen-2-pin-2-8mm-reverse-sensor-connector-oem-7021q-2-8-21","title":"Renault \/ Peugeot \/ Citroen 2-Pin 2.8mm Reverse Sensor Waterproof Connector – OEM 7021Q-2.8-21","description":"\u003ch2\u003eRenault \/ Peugeot \/ Citroen 2-Pin 2.8mm Reverse Sensor Waterproof Connector – OEM 7021Q-2.8-21\u003c\/h2\u003e\n\u003cp\u003eDirect OEM-specification replacement for the 2-pin waterproof wire harness connector used on reverse parking sensors (PDC sensors) across Renault, Peugeot, Citroen, and Logan platforms. Cross-references OEM part number \u003cstrong\u003e7021Q-2.8-21\u003c\/strong\u003e. Uses the \u003cstrong\u003e2.8mm contact series\u003c\/strong\u003e in black and green nylon housing with waterproof sealing — designed for rear bumper-mounted parking sensor applications where moisture, road spray, and temperature cycling are constant.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Problem Does This Connector Solve?\u003c\/h3\u003e\n\u003cp\u003eThe 2-pin reverse sensor connector is located in the rear bumper, one of the most exposed positions on the vehicle. Road spray, car wash water, and temperature cycling cause the connector seal to harden and crack, allowing moisture to corrode the 2.8mm terminals. A failed reverse sensor connector causes the parking sensor system to display a fault — typically a continuous beep or a sensor error on the dashboard display — and disables the affected sensor. On vehicles with four rear sensors, a single failed connector can disable the entire PDC system.\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\u003e7021Q-2.8-21\u003c\/td\u003e\n\u003ctd\u003eRenault\/PSA 2-pin 2.8mm reverse sensor connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e2-Pin Circuit Function\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\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\u003eSensor signal \/ power supply\u003c\/td\u003e\n\u003ctd\u003ePDC sensor fault, continuous beep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003ctd\u003eSensor inoperative, PDC system fault\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\u003e2-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Series\u003c\/td\u003e\n\u003ctd\u003e2.8mm pitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eNylon, black and green\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 Number\u003c\/td\u003e\n\u003ctd\u003e7021Q-2.8-21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eReverse parking sensor (PDC), ultrasonic sensor harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eRenault Logan \/ Duster \/ Megane; Peugeot 206 \/ 307 \/ 308; Citroen C3 \/ C4 \/ C5\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\u003eRenault Logan \/ Sandero \/ Duster\u003c\/strong\u003e – Rear parking sensor connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRenault Megane \/ Laguna \/ Scenic\u003c\/strong\u003e – PDC sensor harness connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeugeot 206 \/ 307 \/ 308 \/ 407\u003c\/strong\u003e – Reverse sensor connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCitroen C3 \/ C4 \/ C5 \/ Berlingo\u003c\/strong\u003e – Rear parking sensor harness connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My Renault Logan parking sensor is beeping continuously in reverse — could it be the connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A corroded or open 2-pin reverse sensor connector is a common cause of PDC faults on Renault and PSA Group vehicles. Disconnect each sensor connector in turn and inspect the terminals for corrosion before replacing the sensor itself.\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":"Black \/ 1 set","offer_id":47838109827317,"sku":"14:200004889#Black;200001249:202408827#1 set","price":10.78,"currency_code":"USD","in_stock":true},{"title":"Green \/ 1 set","offer_id":47838109860085,"sku":"14:200004890#Green;200001249:202408827#1 set","price":10.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S50e23182541b4af0a8e0ddfbdff51ff5z.webp?v=1773726856","url":"https:\/\/www.csldmcml.com\/products\/renault-peugeot-citroen-2-pin-2-8mm-reverse-sensor-connector-oem-7021q-2-8-21","provider":"Cable Parts Online","version":"1.0","type":"link"}