{"product_id":"4-pin-968399-1-lpg-converter-o2-sensor-connector-vw-bmw","title":"4-Pin 968399-1 LPG Converter \u0026 Oxygen Sensor Connector – VW BMW Automotive Harness","description":"\u003ch2\u003e4-Pin 968399-1 LPG Converter \u0026amp; Oxygen Sensor Connector – VW \/ BMW Automotive Harness\u003c\/h2\u003e\u003cp\u003eDirect-fit replacement for TE Connectivity \/ AMP part number \u003cstrong\u003e968399-1\u003c\/strong\u003e, a 4-pin connector used for LPG (liquefied petroleum gas) converter harness connections and oxygen sensor wiring on Volkswagen, BMW, and other European OEM platforms. The 968399-1 is particularly common in aftermarket LPG conversion kits where it interfaces between the LPG ECU and the vehicle's oxygen sensor circuit.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 968399-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Count:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e PA66 glass-filled nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Copper alloy, tin-plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 18 AWG (0.5 mm²)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Length:\u003c\/strong\u003e 5.5 inches (140 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating:\u003c\/strong\u003e IP68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e Up to 13A per pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLPG Conversion – Why This Connector\u003c\/h3\u003e\u003cp\u003eIn LPG bi-fuel conversion systems, the LPG ECU intercepts the oxygen sensor signal between the OEM ECU and the lambda sensor. The 968399-1 connector is used at this interception point to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTap into the O2 sensor signal wire without cutting the OEM harness\u003c\/li\u003e\n\u003cli\u003eConnect the LPG ECU's lambda correction module inline with the sensor circuit\u003c\/li\u003e\n\u003cli\u003eProvide a weatherproof connection point for the LPG harness pigtail\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eO2 Sensor Application – Pin Assignment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eCircuit\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eHeater ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eLambda signal output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eSignal ground reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen:\u003c\/strong\u003e Golf, Passat, Tiguan, Polo – LPG conversion and O2 sensor harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW:\u003c\/strong\u003e 3 Series, 5 Series, X3, X5 – LPG ECU interface connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudi:\u003c\/strong\u003e A3, A4, A6 – shared VW Group platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reference:\u003c\/strong\u003e Verify OEM part number 968399-1 before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use 968399-1 for a standard O2 sensor replacement (non-LPG)?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 968399-1 is a standard 4-pin automotive connector used for both LPG conversion harnesses and OEM O2 sensor applications on VW and BMW platforms. Verify the pin count and housing dimensions match your original connector.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What LPG systems use the 968399-1 connector?\u003c\/strong\u003e\u003cbr\u003eA: The 968399-1 is used in Prins, BRC, Lovato, and OMVL LPG conversion systems, as well as OEM LPG installations on VW and BMW platforms. Verify with your LPG system's wiring diagram before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What crimping tool is needed?\u003c\/strong\u003e\u003cbr\u003eA: Use a ratchet crimper rated for 18 AWG (0.5 mm²) – Engineer PA-09 or equivalent precision ratchet crimper.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cp\u003e1 × 4-Pin Connector (968399-1) with 18 AWG wire and terminal insert\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"4P \/ Female with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844193337589,"sku":"14:200004889#Female with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200000933;462:203053809","price":15.6,"currency_code":"USD","in_stock":true},{"title":"4P \/ Female with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844193370357,"sku":"14:200004889#Female with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200000933;462:203053809","price":46.65,"currency_code":"USD","in_stock":true},{"title":"4P \/ Female with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844193403125,"sku":"14:200004889#Female with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200000933;462:203053809","price":155.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/Sd2a3d2b347f4468482c255988cffc681E.webp?v=1773810049","url":"https:\/\/www.csldmcml.com\/products\/4-pin-968399-1-lpg-converter-o2-sensor-connector-vw-bmw","provider":"Cable Parts Online","version":"1.0","type":"link"}