{"product_id":"5509834-genuine-cummins®-outlet-catalyst-module","title":"5418652 | Genuine Cummins® Outlet Catalyst Module for ISB\/QSB","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e Outlet Catalyst Module for ISB\/QSB\u003cbr\u003e\u003cstrong\u003eCondition: \u003c\/strong\u003eNew\u003cbr\u003e\u003cstrong\u003eBrand: \u003c\/strong\u003eCummins®\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5418652\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"height: 19.6023px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"height: 19.6023px;\"\u003e \n\u003cp\u003e\u003cb\u003e1. Compatible Engine Platforms \u0026amp; Applications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePart number is used on medium-duty commercial trucks, school buses, and industrial\/off-highway equipment equipped with Cummins Single-Module™ aftertreatment assemblies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine Series:\u003c\/b\u003e Cummins® ISB6.7, QSB6.7, and B6.7 (EPA17 and industrial Tier 4 Final platforms).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCommercial Truck \u0026amp; Bus Brands:\u003c\/b\u003e Freightliner Custom Chassis, International \/ Navistar (Durastar \/ MV Series), Blue Bird, Thomas Built Buses, and Ford F-650 \/ F-750 equipped with Cummins B6.7\/ISB engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustrial \u0026amp; Off-Highway Equipment:\u003c\/b\u003e Construction, agricultural, and power generation machinery (Komatsu, Hyundai, JCB, Case) powered by Cummins QSB6.7 engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eOutlet Catalyst Module\u003c\/b\u003e is an OEM aftertreatment emissions component housing the Selective Catalytic Reduction (SCR) and Ammonia Oxidation (AMOX) catalyst cores designed for 6.7-liter Cummins diesel engines.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cb\u003e1. What is it?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePart \u003cb\u003e5418652\u003c\/b\u003e acts as the downstream output section of the single-module aftertreatment system used primarily on EPA17 6.7L ISB, QSB, and B6.7 engines. Positioned right after the Diesel Particulate Filter (DPF) and DEF injection nozzle, it performs the final chemical cleanup of harmful exhaust gas emissions.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Core Functions\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan class=\"math-inline\"\u003eNOx\u003c\/span\u003e Reduction (SCR):\u003c\/b\u003e Combines atomized Diesel Exhaust Fluid (DEF\/AdBlue) with incoming exhaust gases over precious metal ceramic substrates to convert toxic nitrogen oxides into harmless nitrogen gas and water vapor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAmmonia Slip Suppression (AMOX):\u003c\/b\u003e Includes a secondary catalytic stage on the exit end to eliminate unreacted ammonia fumes before exhaust exits the tailpipe.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSensor Monitoring:\u003c\/b\u003e Houses built-in ports for downstream \u003cspan class=\"math-inline\"\u003e$\\text{NO}_x$\u003c\/span\u003e and temperature sensors, sending real-time efficiency data to the Engine Control Module (ECM).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Thermal Resistance:\u003c\/b\u003e Constructed with heavy-gauge stainless steel to endure vibration, thermal expansion, and intense exhaust temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of Faulty\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003e1. Active \u003cspan class=\"math-inline\"\u003eNOx\u003c\/span\u003e Conversion Fault Codes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e Check Engine or Stop Engine light illuminated with active codes: \u003cb\u003eFC3582 \/ FC3547\u003c\/b\u003e (Aftertreatment 1 SCR Conversion Efficiency Low) or \u003cb\u003eFC2771\u003c\/b\u003e (Aftertreatment 1 Outlet \u003cspan class=\"math-inline\"\u003e$\\text{NO}_x$\u003c\/span\u003e Sensor High).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Degradation or poisoning of the active catalytic washcoat prevents the module from neutralizing nitrogen oxides down to required thresholds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e2. Severe Engine Power Derate \u0026amp; Speed Limits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e Engine power is capped, torque is reduced by up to 25–40%, or maximum vehicle speed is restricted (e.g., 5 mph \/ 8 km\/h derate).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e The Engine Control Module (ECM) enforces mandatory safety derates when \u003cspan class=\"math-inline\"\u003eNOx\u003c\/span\u003e conversion efficiency drops below legal limits for prolonged operating cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e3. DEF Face-Plugging \u0026amp; Backpressure Spikes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e Sluggish acceleration, increased fuel consumption, or fault code \u003cb\u003eFC3575\u003c\/b\u003e (SCR Catalyst Intake Face Plugging).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Crystallized Diesel Exhaust Fluid (DEF\/AdBlue) accumulates on the intake face of the ceramic catalyst brick, choking off exhaust flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e4. Physical Substrate Damage \u0026amp; Internal Rattling\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e Metallic rattling or clunking noises coming from inside the aftertreatment canister during engine idle, or visible cracks\/soot tracks around housing clamps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Thermal stress or extreme chassis vibration breaks or detaches the internal ceramic substrate from its mounting mat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e5. Excessive DEF Consumption Without Emissions Reduction\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e High DEF consumption rates without any improvement in \u003cspan class=\"math-inline\"\u003eNOx\u003c\/span\u003e conversion readings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Oil or soot carryover from turbocharger or engine blow-by coats the catalyst surface, masking it from reacting with the injected DEF.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCummins®\u003c\/strong\u003e is a worldwide leader in the production of engines, agricultural components, and other power-generating devices for various industries, including medium and heavy duty trucks, light commercial vehicles, buses, agriculture, and construction. Founded in 1919, this company stays true to its mission of making people's lives better by continuously improving its product line-up and introducing new solutions for a more prosperous world. Its core values—integrity, diversity and inclusion, excellence, caring, and teamwork—are what make it a successful company today—a worldwide leader with a network of more than 600 company-owned and independent distributors and almost 6,000 dealers in approximately 190 countries.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/p\u003e","brand":"Cummins®","offers":[{"title":"Default Title","offer_id":49417144795380,"sku":"5418652","price":4699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/files\/IMG_9558-Photoroom_1800x_f73f2cab-8e8d-4e06-9fd9-ae9d8e6bf05e.png?v=1789595777","url":"https:\/\/firsttruckparts.com\/products\/5509834-genuine-cummins%c2%ae-outlet-catalyst-module","provider":"First Truck Parts","version":"1.0","type":"link"}