{"product_id":"jtl-parts-coolant-reservoir-tank-dr104002-engine-coolant-expansion-tank-radiator-overflow-reservoir-replacement-for-cp237001-st4002-5751024-heavy-duty-cooling-system-for-kenworth-t680-t880-peterbilt-579","title":"JTL Parts Coolant Reservoir Tank DR104002 (Engine Coolant Expansion Tank \/ Radiator Overflow Reservoir) – Replacement for CP237001 \/ ST4002 \/ 5751024 – Heavy Duty Cooling System for Kenworth T680, T880 \u0026 Peterbilt 579","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #222;\"\u003e\n\n  \u003ch2\u003eCOOLANT RESERVOIR DR104002 Engine Coolant Tank\u003c\/h2\u003e\n  \u003ch3\u003eReplacement for DR104002 \/ CP237001 – Heavy Duty Application\u003c\/h3\u003e\n\n  \u003cp\u003e\n    The \u003cstrong\u003eCoolant Reservoir DR104002\u003c\/strong\u003e is designed for heavy-duty trucks, \n    providing reliable expansion and storage for engine coolant. \n    This reservoir helps maintain correct coolant levels, prevents overheating, \n    and ensures stable engine temperature under demanding operating conditions.\n  \u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eProduct Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e DR104002\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Coolant Reservoir \/ Expansion Tank\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCross Reference:\u003c\/strong\u003e DR104002, CP237001, ST4002, 5751024\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey Benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMaintains proper coolant level in the system\u003c\/li\u003e\n    \u003cli\u003ePrevents engine overheating and thermal damage\u003c\/li\u003e\n    \u003cli\u003eDesigned for high-pressure cooling systems\u003c\/li\u003e\n    \u003cli\u003eDurable construction for heavy-duty applications\u003c\/li\u003e\n    \u003cli\u003eEnsures stable engine temperature control\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFunction\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eStores excess coolant during thermal expansion\u003c\/li\u003e\n    \u003cli\u003eReturns coolant to the system as needed\u003c\/li\u003e\n    \u003cli\u003eMaintains pressure balance in the cooling system\u003c\/li\u003e\n    \u003cli\u003eSupports continuous engine cooling performance\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eHigh-Quality Construction\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReinforced high-strength plastic body\u003c\/li\u003e\n    \u003cli\u003eHeat and vibration resistant design\u003c\/li\u003e\n    \u003cli\u003eOEM-style fit and durability\u003c\/li\u003e\n    \u003cli\u003eIncludes mounting points for easy installation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n  \u003cp\u003e\n    Compatible with heavy-duty trucks such as:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eKenworth T680\u003c\/li\u003e\n    \u003cli\u003eKenworth T880\u003c\/li\u003e\n    \u003cli\u003ePeterbilt 579\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFits Models\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKenworth T680 (2013–2021)\u003c\/li\u003e\n    \u003cli\u003eKenworth T880 (2013–2021)\u003c\/li\u003e\n    \u003cli\u003ePeterbilt 579 (2013–2021)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e Fitment may vary depending on engine and configuration. \n    Always verify part number before purchase.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eReplaces \/ Cross Reference Numbers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDR104002\u003c\/li\u003e\n    \u003cli\u003eCP237001\u003c\/li\u003e\n    \u003cli\u003eST4002\u003c\/li\u003e\n    \u003cli\u003e5751024\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDirect replacement design\u003c\/li\u003e\n    \u003cli\u003eNo modifications required\u003c\/li\u003e\n    \u003cli\u003eQuick and secure installation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003ePackage Includes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Coolant Reservoir\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"JTL Parts","offers":[{"title":"Default Title","offer_id":53273621135725,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/3243\/7101\/files\/24.png?v=1777565769","url":"https:\/\/www.jtlparts.com\/products\/jtl-parts-coolant-reservoir-tank-dr104002-engine-coolant-expansion-tank-radiator-overflow-reservoir-replacement-for-cp237001-st4002-5751024-heavy-duty-cooling-system-for-kenworth-t680-t880-peterbilt-579","provider":"JTL Parts","version":"1.0","type":"link"}