{"product_id":"bx277486n-genuine-oem-bendix-d-2-air-brake-governor","title":"BX277486N | Genuine OEM Bendix D-2 Air Brake Governor","description":"\u003ch1\u003e\u003cspan\u003eBX277486N | Genuine OEM Bendix D-2 Air Brake Governor\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe Genuine OEM Bendix BX277486N D-2 Air Brake Governor is designed to regulate air compressor operation in compatible heavy-duty commercial truck pneumatic braking systems. This adjustable governor controls compressor loading and unloading to help maintain proper air pressure in the vehicle's air reservoirs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing a nominal 110 PSI cut-in and 130 PSI cut-out pressure setting, the Bendix D-2 governor supports consistent compressed air supply for reliable commercial vehicle air brake system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e BX277486N\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bendix\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Not specified\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComponent:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Air Brake Governor Valve\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e D-2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eValve Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Adjustable Air Compressor Governor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSystem:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pneumatic Air Brake \/ Air Compressor Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCut-In Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 110 PSI\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCut-Out Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 130 PSI\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePressure Adjustment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Adjustable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReservoir Ports:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (3) 1\/8\"-27 NPT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUnloader Ports:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (3) 1\/8\"-27 NPT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExhaust Port:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/8\"-27 NPT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMounting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Two 0.338\" Diameter Holes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOperating Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e -40°F to 200°F (-40°C to 93°C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFuel Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Not applicable; pneumatic braking component\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngine Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Not engine-specific\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBendix Reference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 277486N\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdditional Cross-References:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e BW277486N, 3624618C91, 5017848\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Bendix BX277486N D-2 Air Brake Governor is intended for compatible heavy-duty commercial vehicles equipped with air compressors and pneumatic braking systems requiring a 110–130 PSI governor configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePotential applications include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeavy-Duty Commercial Trucks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSemi-Trucks and Highway Tractors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommercial Trucks with Bendix Air Compressors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInternational \/ Navistar Truck Air Brake Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFreightliner Commercial Trucks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVolvo and Mack Heavy-Duty Trucks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommercial Vehicle Air Dryer and Compressor Control Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compatibility depends on the original governor part number, compressor configuration, pressure requirements, and vehicle air system specifications. The listed vehicle manufacturers do not represent universal fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Bendix D-2 Air Brake Governor monitors pressure within the vehicle's compressed air system and controls when the air compressor loads and unloads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen reservoir pressure falls to the cut-in setting, the governor allows the compressor to resume supplying compressed air. Once system pressure reaches the cut-out setting, the governor sends a pneumatic signal to the compressor unloading mechanism.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis helps maintain air reservoir pressure within the intended operating range and supports proper operation of the vehicle's air brake system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA worn, damaged, or failing air brake governor may cause symptoms such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAir compressor running continuously without unloading\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAir pressure failing to reach the correct cut-out level\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompressor failing to restart at the proper cut-in pressure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExcessive or inconsistent air system pressure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAir leakage around the governor or control ports\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFrequent compressor cycling or abnormal pressure fluctuations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWHY REPLACE AN AIR BRAKE GOVERNOR?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA malfunctioning air brake governor can interfere with proper compressor cycling and air pressure regulation, potentially affecting the performance of the entire pneumatic braking system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReplacing a defective governor with the correct Genuine OEM Bendix BX277486N D-2 component helps restore intended compressor control, proper air reservoir charging, and consistent air pressure regulation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaintaining a properly functioning air brake governor is essential for commercial trucks operating under demanding highway and heavy-load conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Bendix BX277486N D-2 Air Brake Governor is intended for specific heavy-duty commercial vehicle pneumatic brake configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBefore purchasing, verify:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOriginal Part Number: BX277486N\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBendix Reference: 277486N\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCross-Reference Numbers: BW277486N, 3624618C91, 5017848\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTruck make, model, and model year\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequired 110 PSI cut-in pressure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequired 130 PSI cut-out pressure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1\/8\"-27 NPT port configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompressor and air dryer system compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMounting arrangement and original governor design\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVehicle Identification Number (VIN)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIf you are unsure whether this air brake governor fits your truck, please contact us with your VIN, truck model, model year, and original part number before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eGENUINE BENDIX PART\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eBendix manufactures pneumatic braking, compressor control, and commercial vehicle safety system components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Genuine OEM Bendix BX277486N D-2 Air Brake Governor is designed for specified heavy-duty air brake applications, supporting dependable compressor cycling and proper system pressure regulation when correctly matched and installed.\u003c\/span\u003e\u003c\/p\u003e","brand":"Bendix","offers":[{"title":"Default Title","offer_id":49960986149123,"sku":"SY1043","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/AIRBRAKEGOVERNORBENDIX1.jpg?v=1792752428","url":"https:\/\/truckpartsplanet.com\/products\/bx277486n-genuine-oem-bendix-d-2-air-brake-governor","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}