{"product_id":"4990721-genuine-cummins®-throttle-body-actuator","title":"4990721 | Genuine Cummins® Throttle Body Actuator","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eThrottle Body Actuator\u003c\/span\u003e\u003c\/span\u003e \u003cstrong\u003e4990721 \u003c\/strong\u003eis an electric motor inside or attached to the \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eElectronic Throttle Body\u003c\/span\u003e\u003c\/span\u003e that opens and closes the throttle plate to control how much air enters the engine.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 4990721\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Cummins\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003eFits For 4990721 \u003c\/strong\u003eCummins ISL-G and ISX 11.9G Engines (2010 - 2018)\u003c\/p\u003e\n\u003cul id=\"catalogModels\" class=\"nav catalog\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"160\" data-end=\"353\"\u003e\u003cstrong\u003ePurpose of using 4990721\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp data-start=\"400\" data-end=\"427\"\u003e\u003cstrong data-start=\"400\" data-end=\"427\"\u003e1. Control Engine Power\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"428\" data-end=\"580\"\u003e\n\u003cli data-section-id=\"ga7p2g\" data-start=\"428\" data-end=\"531\"\u003e\n\u003cp data-start=\"430\" data-end=\"531\"\u003eThe actuator opens the throttle plate to allow more air into the engine when you press the gas pedal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7wbrn6\" data-start=\"532\" data-end=\"580\"\u003e\n\u003cp data-start=\"534\" data-end=\"580\"\u003eThis increases engine power and vehicle speed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"582\" data-end=\"626\"\u003e\u003cstrong data-start=\"582\" data-end=\"626\"\u003e2. Work With Electronic Throttle Systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"627\" data-end=\"755\"\u003e\n\u003cli data-section-id=\"195nf5l\" data-start=\"627\" data-end=\"755\"\u003e\n\u003cp data-start=\"629\" data-end=\"755\"\u003eIn vehicles with a \u003cstrong data-start=\"648\" data-end=\"689\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eDrive-by-Wire Throttle System\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e, the throttle is controlled electronically instead of by a cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"757\" data-end=\"787\"\u003e\u003cstrong data-start=\"757\" data-end=\"787\"\u003e3. Improve Fuel Efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"788\" data-end=\"942\"\u003e\n\u003cli data-section-id=\"sje7v\" data-start=\"788\" data-end=\"942\"\u003e\n\u003cp data-start=\"790\" data-end=\"942\"\u003eThe actuator allows the \u003cstrong data-start=\"814\" data-end=\"861\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eEngine Control Module\u003c\/span\u003e\u003c\/span\u003e (ECM)\u003c\/strong\u003e to precisely control airflow, helping the engine use the correct amount of fuel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"944\" data-end=\"967\"\u003e\u003cstrong data-start=\"944\" data-end=\"967\"\u003e4. Reduce Emissions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"968\" data-end=\"1083\"\u003e\n\u003cli data-section-id=\"zna5ee\" data-start=\"968\" data-end=\"1083\"\u003e\n\u003cp data-start=\"970\" data-end=\"1083\"\u003eAccurate control of air entering the engine helps ensure cleaner fuel combustion and fewer harmful exhaust gases.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1085\" data-end=\"1136\"\u003e\u003cstrong data-start=\"1085\" data-end=\"1136\"\u003e5. Support Safety and Driver Assistance Systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1137\" data-end=\"1278\"\u003e\n\u003cli data-section-id=\"1h3a0sf\" data-start=\"1137\" data-end=\"1278\"\u003e\n\u003cp data-start=\"1139\" data-end=\"1212\"\u003eThe actuator allows the engine computer to manage power for systems like:\u003c\/p\u003e\n\u003cul data-start=\"1215\" data-end=\"1278\"\u003e\n\u003cli data-section-id=\"18084fo\" data-start=\"1215\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1217\" data-end=\"1233\"\u003eCruise control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mt7dlj\" data-start=\"1236\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1256\"\u003eTraction control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6vch62\" data-start=\"1259\" data-end=\"1278\"\u003e\n\u003cp data-start=\"1261\" data-end=\"1278\"\u003eStability control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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 data-start=\"160\" data-end=\"353\"\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad Throttle Valve Body 4990721\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp data-end=\"367\" data-start=\"342\"\u003e\u003cstrong data-end=\"367\" data-start=\"342\"\u003e1. Check Engine Light\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"530\" data-start=\"368\"\u003e\n\u003cli data-end=\"478\" data-start=\"368\" data-section-id=\"r5b6js\"\u003e\n\u003cp data-end=\"478\" data-start=\"370\"\u003eThe \u003cstrong data-end=\"421\" data-start=\"374\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eEngine Control Module\u003c\/span\u003e\u003c\/span\u003e (ECM)\u003c\/strong\u003e may detect a problem and turn on the check engine light.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"530\" data-start=\"479\" data-section-id=\"17adjq9\"\u003e\n\u003cp data-end=\"530\" data-start=\"481\"\u003eCommon codes relate to throttle actuator control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"567\" data-start=\"532\"\u003e\u003cstrong data-end=\"567\" data-start=\"532\"\u003e2. Poor or Delayed Acceleration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"647\" data-start=\"568\"\u003e\n\u003cli data-end=\"647\" data-start=\"568\" data-section-id=\"1sk0oz7\"\u003e\n\u003cp data-end=\"647\" data-start=\"570\"\u003eWhen you press the gas pedal, the vehicle may \u003cstrong data-end=\"646\" data-start=\"616\"\u003ehesitate or respond slowly\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"683\" data-start=\"649\"\u003e\u003cstrong data-end=\"683\" data-start=\"649\"\u003e3. Vehicle Goes Into Limp Mode\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"742\" data-start=\"684\"\u003e\n\u003cli data-end=\"742\" data-start=\"684\" data-section-id=\"1doxyjf\"\u003e\n\u003cp data-end=\"742\" data-start=\"686\"\u003eThe car may limit speed and power to protect the engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"761\" data-start=\"744\"\u003e\u003cstrong data-end=\"761\" data-start=\"744\"\u003e4. Rough Idle\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"869\" data-start=\"762\"\u003e\n\u003cli data-end=\"869\" data-start=\"762\" data-section-id=\"975wmv\"\u003e\n\u003cp data-end=\"869\" data-start=\"764\"\u003eThe engine may \u003cstrong data-end=\"805\" data-start=\"779\"\u003eshake or idle unevenly\u003c\/strong\u003e because the throttle plate is not controlling airflow properly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"893\" data-start=\"871\"\u003e\u003cstrong data-end=\"893\" data-start=\"871\"\u003e5. Engine Stalling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"945\" data-start=\"894\"\u003e\n\u003cli data-end=\"945\" data-start=\"894\" data-section-id=\"dpm802\"\u003e\n\u003cp data-end=\"945\" data-start=\"896\"\u003eThe engine may \u003cstrong data-end=\"944\" data-start=\"911\"\u003estall when stopping or idling\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"984\" data-start=\"947\"\u003e\u003cstrong data-end=\"984\" data-start=\"947\"\u003e6. Inconsistent Throttle Response\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1080\" data-start=\"985\"\u003e\n\u003cli data-end=\"1080\" data-start=\"985\" data-section-id=\"10q9dlw\"\u003e\n\u003cp data-end=\"1080\" data-start=\"987\"\u003eThe car may \u003cstrong data-end=\"1037\" data-start=\"999\"\u003espeed up or slow down unexpectedly\u003c\/strong\u003e even if the pedal position stays the same.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1117\" data-start=\"1082\"\u003e\u003cstrong data-end=\"1117\" data-start=\"1082\"\u003e7. Difficulty Maintaining Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1176\" data-start=\"1118\"\u003e\n\u003cli data-end=\"1176\" data-start=\"1118\" data-section-id=\"1dhog0o\"\u003e\n\u003cp data-end=\"1176\" data-start=\"1120\"\u003eIt may be hard to keep a \u003cstrong data-end=\"1175\" data-start=\"1145\"\u003esteady speed while driving\u003c\/strong\u003e.\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 data-start=\"97\" data-end=\"476\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAbout the Manufacturer – \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCummins:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"381\"\u003eCummins is a leading American manufacturer of diesel and natural gas engines, as well as power generation systems and emissions solutions. Founded in 1919 and headquartered in Columbus, Indiana, Cummins is known globally for its durable, high-performance engines used in trucks, buses, construction equipment, agriculture, and power systems.\u003c\/p\u003e\n\u003cp data-start=\"383\" data-end=\"628\"\u003eThe brand is widely respected for its innovation in clean diesel technology, including aftertreatment systems, turbochargers, and advanced electronics that help reduce emissions while maximizing engine efficiency and reliability.\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":50569120841975,"sku":"4990721","price":655.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/Electronic-Throttle-Body-71037__00209.1674510233.avif?v=1773166207","url":"https:\/\/forcetruckparts.com\/products\/4990721-genuine-cummins%c2%ae-throttle-body-actuator","provider":"Force Truck Parts","version":"1.0","type":"link"}