{"product_id":"5-pin-waterproof-maf-oxygen-sensor-connector-bosch-1928403738","title":"5-Pin Waterproof MAF \u0026 Oxygen Sensor Connector for Bosch – OEM 1928403738 BSK","description":"\u003ch2\u003e5-Pin Waterproof MAF \u0026amp; Oxygen Sensor Connector for Bosch – OEM 1928403738 BSK\u003c\/h2\u003e\n\u003cp\u003eDirect OEM-specification replacement for the Bosch 5-way waterproof female connector, cross-referencing part number 1928403738 (BSK series). Engineered for mass airflow (MAF) sensor, oxygen (O2\/lambda) sensor, and other Bosch sensor harness applications across European and Asian vehicle platforms.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e1928403738 (Bosch BSK series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e5-Way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGender\u003c\/td\u003e\n\u003ctd\u003eFemale (socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Type\u003c\/td\u003e\n\u003ctd\u003eWaterproof – sealed housing with wire seals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePA66 Nylon – heat and chemical resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Plating\u003c\/td\u003e\n\u003ctd\u003eTin-plated copper, high-precision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Application\u003c\/td\u003e\n\u003ctd\u003eMAF sensor, O2\/lambda sensor, Bosch sensor harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eBosch 1928403738: MAF \u0026amp; O2 Sensor Harness Standard\u003c\/h3\u003e\n\u003cp\u003eThe Bosch 1928403738 BSK connector is the OEM standard for 5-pin sensor harness connections across Volkswagen, Audi, BMW, Mercedes-Benz, and Opel\/Vauxhall platforms. It is most commonly found on mass airflow (MAF) sensors, wideband oxygen sensors, and NOx sensors where a 5-circuit sealed connection is required in the high-temperature engine bay environment.\u003c\/p\u003e\n\n\u003ch3\u003eCommon Vehicle Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolkswagen Golf, Passat, Tiguan – MAF and O2 sensor harness\u003c\/li\u003e\n\u003cli\u003eAudi A3, A4, A6 – mass airflow and lambda sensor connections\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series, 5 Series – Bosch MAF sensor harness repair\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz C-Class, E-Class – oxygen sensor wiring\u003c\/li\u003e\n\u003cli\u003eOpel\/Vauxhall Astra, Vectra – Bosch sensor harness replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e1 × 5-Way Female Connector Housing (1928403738 BSK) with wire leads and terminal inserts pre-installed.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What sensors use the Bosch 1928403738 connector?\u003c\/strong\u003e\u003cbr\u003eA: The 1928403738 BSK is used on Bosch MAF sensors (e.g., 0 280 218 series), wideband O2\/lambda sensors (e.g., LSU 4.9), and NOx sensors across VW, Audi, BMW, and Mercedes platforms. Verify pin count and wire gauge against your sensor’s datasheet before installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this connector compatible with aftermarket Bosch sensors?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 1928403738 BSK is the OEM Bosch connector housing and is compatible with both genuine Bosch and OEM-equivalent aftermarket sensors using the same 5-pin BSK interface.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the temperature rating of this connector?\u003c\/strong\u003e\u003cbr\u003eA: The PA66 nylon housing is rated for continuous service from -40°C to +120°C, suitable for engine bay sensor harness applications near the intake manifold and exhaust system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I remove terminals from the Bosch BSK housing?\u003c\/strong\u003e\u003cbr\u003eA: Use a Bosch-compatible terminal removal pick (1.0mm flat-blade). Insert alongside the terminal to depress the locking lance, then pull the wire rearward to extract without damaging the housing or wire seal.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844240883957,"sku":"14:200004889#Female with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200952640;462:203053809","price":205.05,"currency_code":"USD","in_stock":true},{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844240916725,"sku":"14:200004889#Female with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200952640;462:203053809","price":20.55,"currency_code":"USD","in_stock":true},{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844240949493,"sku":"14:200004889#Female with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200952640;462:203053809","price":61.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/Sbe785dc117ab487fafaae1b4226daeafY.webp?v=1773810506","url":"https:\/\/www.csldmcml.com\/products\/5-pin-waterproof-maf-oxygen-sensor-connector-bosch-1928403738","provider":"Cable Parts Online","version":"1.0","type":"link"}