{"product_id":"2426255-genuine-paccar®-back-pressure-valve-for-mx13","title":"2426255 | Genuine Paccar® Back Pressure Valve For MX13","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA Back Pressure Valve \u003cstrong\u003e2426255 \u003c\/strong\u003eis a type of control valve used in engines and fluid systems to maintain a set amount of pressure in a system by creating resistance to flow. It ensures that pressure does not drop too low and that the system operates within its required pressure range. Back Pressure Valve \u003cspan\u003e2017–2021 PACCAR MX-13 engines\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 2426255, 2426255PE \u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Paccar\u003cbr\u003e\u003c\/span\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFits 2426255 For \u003c\/strong\u003e2017–2021 PACCAR MX-13 engines\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eDAF XF 106, \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eKenworth T680, \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003ePeterbilt 579, \u003c\/span\u003e\u003c\/span\u003eOther trucks using the \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003ePACCAR MX-13\u003c\/span\u003e\u003c\/span\u003e platform.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003ePurpose of using 2426255:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong style=\"font-size: 0.875rem;\" data-end=\"373\" data-start=\"333\"\u003e1. Maintains Minimum System Pressure\u003c\/strong\u003e\n\u003cp data-end=\"495\" data-start=\"374\"\u003e\u003cbr\u003eIt holds back the flow of exhaust, air, fuel, or hydraulic fluid to keep the system at a stable, required pressure level.\u003c\/p\u003e\n\u003cp data-end=\"539\" data-start=\"497\"\u003e\u003cstrong data-end=\"539\" data-start=\"501\"\u003e2. Ensures Proper System Operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"654\" data-start=\"540\"\u003eMany systems—especially diesel engines—need a certain amount of pressure to operate components correctly, such as:\u003c\/p\u003e\n\u003cul data-end=\"751\" data-start=\"655\"\u003e\n\u003cli data-end=\"672\" data-start=\"655\"\u003e\n\u003cp data-end=\"672\" data-start=\"657\"\u003eTurbochargers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"693\" data-start=\"673\"\u003e\n\u003cp data-end=\"693\" data-start=\"675\"\u003eEmission systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"720\" data-start=\"694\"\u003e\n\u003cp data-end=\"720\" data-start=\"696\"\u003eEngine braking systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"751\" data-start=\"721\"\u003e\n\u003cp data-end=\"751\" data-start=\"723\"\u003eDEF\/SCR emission equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"777\" data-start=\"753\"\u003e\u003cstrong data-end=\"777\" data-start=\"757\"\u003e3. Controls Flow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"874\" data-start=\"778\"\u003eThe valve restricts flow until a set pressure is reached, then opens to release excess pressure.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\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 Back Pressure Valve 2426255:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp data-start=\"179\" data-end=\"213\"\u003e\u003cstrong data-start=\"183\" data-end=\"213\"\u003e1. Poor Engine Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"214\" data-end=\"350\"\u003e\n\u003cli data-start=\"214\" data-end=\"231\"\u003e\n\u003cp data-start=\"216\" data-end=\"231\"\u003eLoss of power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"232\" data-end=\"253\"\u003e\n\u003cp data-start=\"234\" data-end=\"253\"\u003eSlow acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"254\" data-end=\"350\"\u003e\n\u003cp data-start=\"256\" data-end=\"350\"\u003eTurbo lag or weak boost\u003cbr data-start=\"279\" data-end=\"282\"\u003eIf the valve sticks closed, it causes excessive exhaust restriction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"357\" data-end=\"393\"\u003e\u003cstrong data-start=\"361\" data-end=\"393\"\u003e2. High Exhaust Temperatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"394\" data-end=\"552\"\u003e\n\u003cli data-start=\"394\" data-end=\"434\"\u003e\n\u003cp data-start=\"396\" data-end=\"434\"\u003eEngine or exhaust system overheating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"435\" data-end=\"552\"\u003e\n\u003cp data-start=\"437\" data-end=\"552\"\u003ePossible DPF (Diesel Particulate Filter) regeneration problems\u003cbr data-start=\"499\" data-end=\"502\"\u003eA stuck valve increases exhaust heat and pressure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"559\" data-end=\"592\"\u003e\u003cstrong data-start=\"563\" data-end=\"592\"\u003e3. Rough Idle or Stalling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"593\" data-end=\"668\"\u003e\n\u003cli data-start=\"593\" data-end=\"618\"\u003e\n\u003cp data-start=\"595\" data-end=\"618\"\u003eEngine idles unevenly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"619\" data-end=\"668\"\u003e\n\u003cp data-start=\"621\" data-end=\"668\"\u003eStalls when the valve is stuck partially closed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"675\" data-end=\"714\"\u003e\u003cstrong data-start=\"679\" data-end=\"714\"\u003e4. Excessive Smoke From Exhaust\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"715\" data-end=\"880\"\u003e\n\u003cli data-start=\"715\" data-end=\"752\"\u003e\n\u003cp data-start=\"717\" data-end=\"752\"\u003eBlack smoke: too much restriction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"753\" data-end=\"880\"\u003e\n\u003cp data-start=\"755\" data-end=\"880\"\u003eWhite smoke: improper exhaust back pressure during cold operation\u003cbr data-start=\"820\" data-end=\"823\"\u003eIndicates incorrect combustion due to pressure imbalance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"887\" data-end=\"918\"\u003e\u003cstrong data-start=\"891\" data-end=\"918\"\u003e5. Reduced Fuel Economy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"919\" data-end=\"1010\"\u003e\n\u003cli data-start=\"919\" data-end=\"973\"\u003e\n\u003cp data-start=\"921\" data-end=\"973\"\u003eEngine works harder due to incorrect back pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"974\" data-end=\"1010\"\u003e\n\u003cp data-start=\"976\" data-end=\"1010\"\u003eWasted fuel and higher consumption\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1017\" data-end=\"1092\"\u003e\u003cstrong data-start=\"1021\" data-end=\"1092\"\u003e6. Engine Brake Not Working Properly (if system uses back pressure)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1093\" data-end=\"1164\"\u003e\n\u003cli data-start=\"1093\" data-end=\"1122\"\u003e\n\u003cp data-start=\"1095\" data-end=\"1122\"\u003eWeak or no engine braking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1123\" data-end=\"1164\"\u003e\n\u003cp data-start=\"1125\" data-end=\"1164\"\u003eJerky or inconsistent brake operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1171\" data-end=\"1220\"\u003e\u003cstrong data-start=\"1175\" data-end=\"1220\"\u003e7. Check Engine Light or Warning Messages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1221\" data-end=\"1244\"\u003eCommon codes relate to:\u003c\/p\u003e\n\u003cul data-start=\"1245\" data-end=\"1374\"\u003e\n\u003cli data-start=\"1245\" data-end=\"1284\"\u003e\n\u003cp data-start=\"1247\" data-end=\"1284\"\u003eExhaust back pressure sensor faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1285\" data-end=\"1308\"\u003e\n\u003cp data-start=\"1287\" data-end=\"1308\"\u003eStuck exhaust valve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1309\" data-end=\"1339\"\u003e\n\u003cp data-start=\"1311\" data-end=\"1339\"\u003eTurbo underboost\/overboost\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1340\" data-end=\"1374\"\u003e\n\u003cp data-start=\"1342\" data-end=\"1374\"\u003eRegeneration efficiency faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1381\" data-end=\"1435\"\u003e\u003cstrong data-start=\"1385\" data-end=\"1435\"\u003e8. Hissing, Ticking, or Unusual Exhaust Noises\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1436\" data-end=\"1529\"\u003e\n\u003cli data-start=\"1436\" data-end=\"1454\"\u003e\n\u003cp data-start=\"1438\" data-end=\"1454\"\u003eValve sticking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1455\" data-end=\"1490\"\u003e\n\u003cp data-start=\"1457\" data-end=\"1490\"\u003eLeaks around exhaust components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1491\" data-end=\"1529\"\u003e\n\u003cp data-start=\"1493\" data-end=\"1529\"\u003eAir escaping through a damaged valve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1536\" data-end=\"1579\"\u003e\u003cstrong data-start=\"1540\" data-end=\"1579\"\u003e9. Slow Warm-Up or Hard Cold Starts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1580\" data-end=\"1667\"\u003eIf the valve fails \u003cstrong data-start=\"1599\" data-end=\"1607\"\u003eopen\u003c\/strong\u003e, the engine may take longer to reach operating temperature.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e\u003cstrong data-start=\"97\" data-end=\"151\"\u003eAbout the Manufacturer – Paccar:\u003c\/strong\u003e\u003cbr data-start=\"151\" data-end=\"154\"\u003e\u003c\/p\u003e\n\u003cp data-end=\"400\" data-start=\"96\"\u003e\u003cstrong data-end=\"110\" data-start=\"96\"\u003ePACCAR Inc\u003c\/strong\u003e is a global technology leader in the design, manufacture, and customer support of premium light-, medium-, and heavy-duty trucks. Founded in 1905 and headquartered in Bellevue, Washington, PACCAR is best known for its world-class truck brands: Kenworth, Peterbilt, and DAF.\u003cbr\u003ePACCAR’s trucks are recognized for their durability, fuel efficiency, advanced engineering, and driver-focused technology. In addition to truck manufacturing, PACCAR also designs and builds diesel engines, and provides financial services, information technology, and aftermarket support to its global customer base.\u003c\/p\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":50755008430327,"sku":"2426255","price":2959.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/2256380-genuine-paccar-back-pressure-valve-for-paccar-mx13-advanced-truck-parts-29305_2048x_29402474-7728-43ea-ba69-fb0ea49bbfda.webp?v=1778271463","url":"https:\/\/forcetruckparts.com\/products\/2426255-genuine-paccar%c2%ae-back-pressure-valve-for-mx13","provider":"Force Truck Parts","version":"1.0","type":"link"}