{"product_id":"21534115-genuine-oem-volvo-mack-ahi-dosing-module","title":"21534115 | Genuine OEM Volvo \/ Mack AHI Dosing Module","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e21534115 | Genuine OEM Volvo \/ Mack AHI Dosing Module\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Genuine Volvo \/ Mack AHI Dosing Module, part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21534115\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, is a component of the diesel exhaust aftertreatment system. It supports hydrocarbon dosing used during Diesel Particulate Filter (DPF) regeneration, helping the system manage accumulated soot. This module is listed for compatible 12V Volvo and Mack heavy-duty trucks. \u0026lt;Cite refs={[\"turn243958search0\",\"turn243958search1\"]}\/\u0026gt;\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 21534115\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 Volvo \/ Mack\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e AHI Dosing Module\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 Aftertreatment Hydrocarbon Injector Driver Module\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 Diesel Exhaust Aftertreatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVoltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12V\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 Selected Volvo D11, D13, D16 and Mack MP7, MP8 applications\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 Verify the actual item's condition before listing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePart number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21534115\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is listed for selected Volvo and Mack trucks equipped with compatible aftertreatment systems. Applications may include Volvo VNL, VNM, VHD and VAH models, as well as selected Mack Pinnacle, Granite, Anthem, CHU, CXU, GU and MRU models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVehicle compatibility varies by model year, engine, and emissions configuration. Verify the VIN, engine serial number, and existing part number before purchase. \u0026lt;Cite refs={[\"turn243958search0\",\"turn243958search6\"]}\/\u0026gt;\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe AHI (Aftertreatment Hydrocarbon Injector) dosing module controls the hydrocarbon injection process used to support DPF regeneration. Proper operation helps the aftertreatment system burn accumulated soot and maintain exhaust filtration performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCOMMON SIGNS OF AHI DOSING MODULE FAILURE\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA worn or failing AHI dosing module may be associated with symptoms such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDPF regeneration failures or interruptions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAftertreatment warning lights\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngine or emissions-related diagnostic trouble codes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReduced engine performance or an emissions-related derate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAbnormal hydrocarbon dosing operation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRepeated soot accumulation or DPF restriction warnings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese symptoms can also result from injector, wiring, sensor, fuel supply, or other aftertreatment problems. Diagnosis is recommended before replacing the module.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWHY REPLACE AN AHI DOSING MODULE?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eReplacing a confirmed faulty AHI dosing module helps restore proper control of the hydrocarbon dosing process and supports normal DPF regeneration. Correct diagnosis is important because related aftertreatment faults can produce similar symptoms.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBefore ordering part \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21534115\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, verify:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM part number and any superseding number\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVehicle VIN and model year\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngine model and serial number\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e12V electrical system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConnector, mounting, and dosing system configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOther numbers, including \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21870667, 22452551, and 23185531\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, are listed as cross-references by some suppliers. These numbers should not be treated as guaranteed interchangeable without confirming the specific application. \u0026lt;Cite refs={[\"turn243958search1\",\"turn243958search4\"]}\/\u0026gt;\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eGENUINE VOLVO \/ MACK PART\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis listing identifies the component as a Volvo \/ Mack AHI Dosing Module with part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21534115\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Confirm the product label, manufacturer markings, packaging, and actual condition before describing it as new or genuine OEM inventory.\u003c\/span\u003e\u003c\/p\u003e","brand":"Volvo \/ Mack","offers":[{"title":"Default Title","offer_id":49915664695555,"sku":"21534115","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/Volvo_MackAHIDosingSystemModule1.jpg?v=1792527639","url":"https:\/\/truckpartsplanet.com\/products\/21534115-genuine-oem-volvo-mack-ahi-dosing-module","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}