{"product_id":"5-pin-1928405159-bosch-1-2mm-maf-sensor-connector-buick-chevrolet","title":"5-Pin 1928405159 Bosch 1.2mm Waterproof MAF Sensor Connector – Buick Chevrolet Injector","description":"\u003ch2\u003e5-Pin 1928405159 Bosch 1.2mm Waterproof MAF Sensor Connector – Buick \/ Chevrolet Air Flow Meter \u0026amp; Injector\u003c\/h2\u003e\u003cp\u003eDirect-fit replacement for Bosch OEM part number \u003cstrong\u003e1928405159\u003c\/strong\u003e, a 5-pin waterproof 1.2mm pitch connector used for mass air flow (MAF) sensor and fuel injector harness connections on Buick and Chevrolet vehicles. Bosch is the OEM supplier for MAF sensors and fuel injectors on many GM platforms – the 1928405159 is the Bosch connector housing used at these sensor interfaces.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 1928405159 (Bosch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Count:\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Female socket (with wire)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Pitch:\u003c\/strong\u003e 1.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 22 AWG (0.3 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\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\u003eCurrent Rating:\u003c\/strong\u003e Up to 3A per pin (signal circuits)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMAF Sensor Pin Assignment (5-Pin Bosch)\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\u003e12V power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGround (sensor reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eMAF signal output (0–5V or frequency)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eIntake Air Temperature (IAT) signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eIAT 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\u003eBuick:\u003c\/strong\u003e LaCrosse, Enclave, Regal – 2.0T and 2.4L MAF sensor harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChevrolet:\u003c\/strong\u003e Malibu, Equinox, Cruze – 1.4T, 1.6T, and 2.0T MAF sensor connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGMC:\u003c\/strong\u003e Terrain – shared GM platform MAF harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reference:\u003c\/strong\u003e Verify OEM part number 1928405159 before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFault Codes Linked to 1928405159 Connector Failure\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0100–P0103\u003c\/strong\u003e – MAF sensor circuit faults\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0110–P0113\u003c\/strong\u003e – IAT sensor circuit faults (shared connector)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0171 \/ P0172\u003c\/strong\u003e – System Lean\/Rich (caused by MAF signal loss)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can a bad MAF connector cause a lean condition on Chevrolet?\u003c\/strong\u003e\u003cbr\u003eA: Yes. An open circuit at the 1928405159 connector causes the ECM to lose MAF data and default to a fixed fuel map, typically resulting in a lean condition (P0171) and rough idle under load.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What crimping tool is needed for 1.2mm Bosch terminals?\u003c\/strong\u003e\u003cbr\u003eA: Use a precision micro-crimper rated for 0.3mm² (22 AWG) – Engineer PA-09 or TE Connectivity 91516-1. Standard automotive crimpers will crush the 1.2mm terminal barrel.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cp\u003e1 × 5-Pin Female Connector (1928405159) with 22 AWG wire, rubber wire seals, and terminal insert\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844203167989,"sku":"14:200004889#Female with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200952640;462:203053809","price":16.65,"currency_code":"USD","in_stock":true},{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844203200757,"sku":"14:200004889#Female with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200952640;462:203053809","price":50.1,"currency_code":"USD","in_stock":true},{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844203233525,"sku":"14:200004889#Female with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200952640;462:203053809","price":166.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S55ada1a9ced7400c90bfce651bd54057W.webp?v=1773810214","url":"https:\/\/www.csldmcml.com\/products\/5-pin-1928405159-bosch-1-2mm-maf-sensor-connector-buick-chevrolet","provider":"Cable Parts Online","version":"1.0","type":"link"}