{"product_id":"gm-buick-2-pin-radar-knock-sensor-connector-oem-31402-2110-31403-2110","title":"GM \/ Buick 2-Pin Front Bumper Radar \/ Knock Sensor \/ Temperature Sensor Connector – OEM 31402-2110 \/ 31403-2110","description":"\u003ch2\u003eGM \/ Buick 2-Pin Front Bumper Radar \/ Knock Sensor \/ Temperature Sensor Connector – OEM 31402-2110 \/ 31403-2110\u003c\/h2\u003e\n\u003cp\u003eDirect OEM-specification replacement for the GM 2-pin wire harness connector used on front bumper radar probes, knock sensors, and temperature sensors across Buick and GM platforms. Cross-references GM OEM part numbers \u003cstrong\u003e31402-2110\u003c\/strong\u003e and \u003cstrong\u003e31403-2110\u003c\/strong\u003e. Uses the \u003cstrong\u003e0.7mm contact series\u003c\/strong\u003e in grey, black, or brown nylon housing — available in multiple colours to match the original harness. Compatible with Buick GL8, LaCrosse, Regal, Weilang, GL6, and Ang Kola collision sensor harnesses.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Problem Does This Connector Solve?\u003c\/h3\u003e\n\u003cp\u003eThe 2-pin sensor connector on GM and Buick vehicles is used across multiple underbonnet and bumper-mounted sensor applications. Knock sensor connectors are located on the engine block in a high-heat, high-vibration zone; radar probe connectors are mounted in the front bumper, exposed to road spray and stone chips. Both are common failure points on high-mileage vehicles. A failed knock sensor connector causes the ECM to log \u003cstrong\u003eP0325–P0334\u003c\/strong\u003e (knock sensor circuit) fault codes and retard ignition timing as a safety measure, reducing power and fuel economy. A failed radar probe connector disables the front collision warning 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\u003e31402-2110\u003c\/td\u003e\n\u003ctd\u003eGM 2-pin sensor connector (primary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e31403-2110\u003c\/td\u003e\n\u003ctd\u003eGM 2-pin sensor connector (alternate \/ superseded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e2-Pin Circuit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 output\u003c\/td\u003e\n\u003ctd\u003eP0325–P0334 knock fault, timing retard, or radar fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGround \/ shield\u003c\/td\u003e\n\u003ctd\u003eSensor inoperative, DTC logged\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\u003e0.7mm pitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eNylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Colours\u003c\/td\u003e\n\u003ctd\u003eGrey \/ Black \/ Brown (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Numbers\u003c\/td\u003e\n\u003ctd\u003e31402-2110 \/ 31403-2110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eFront bumper radar probe, knock sensor, temperature sensor, collision sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eBuick GL8, LaCrosse, Regal, Weilang, GL6, Ang Kola; Chevrolet \/ GM shared platform\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\u003eBuick GL8\u003c\/strong\u003e – Front bumper radar probe and collision sensor connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuick LaCrosse \/ Regal\u003c\/strong\u003e – Knock sensor and temperature sensor harness connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuick Weilang \/ GL6\u003c\/strong\u003e – Collision sensor connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuick Ang Kola (Encore)\u003c\/strong\u003e – Knock sensor harness connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChevrolet \/ GM shared platforms\u003c\/strong\u003e – 0.7mm 2-pin sensor connector applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My Buick LaCrosse has a P0325 knock sensor fault — could it be the connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A corroded or open 2-pin knock sensor connector is a common cause of P0325–P0334 fault codes on GM and Buick vehicles. The ECM retards ignition timing when it loses the knock signal, reducing power and fuel economy. Test the knock sensor resistance first — if it is within specification (typically 4–10kΩ), 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 \/ grey female","offer_id":47838107304181,"sku":"14:200004890#grey female;200001249:202408827#1 Pcs","price":19.58,"currency_code":"USD","in_stock":true},{"title":"1 Pcs \/ brown female","offer_id":47838107336949,"sku":"14:200004891#brown female;200001249:202408827#1 Pcs","price":19.58,"currency_code":"USD","in_stock":true},{"title":"1 Pcs \/ Universal male plug","offer_id":47838107369717,"sku":"14:200003699#Universal male plug;200001249:202408827#1 Pcs","price":19.58,"currency_code":"USD","in_stock":true},{"title":"1 Pcs \/ black female","offer_id":47838107402485,"sku":"14:200004889#black female;200001249:202408827#1 Pcs","price":19.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S5015ecbb738e469aad4d55fc6d8abf3eA.webp?v=1773726850","url":"https:\/\/www.csldmcml.com\/products\/gm-buick-2-pin-radar-knock-sensor-connector-oem-31402-2110-31403-2110","provider":"Cable Parts Online","version":"1.0","type":"link"}