{"product_id":"duramax-l5p-thermostat-2017-2025-kb-kb-6-6l-1726-thcp","title":"Duramax L5P Thermostat 2017-2025 KB KB-6.6L-1726-THCP","description":"\u003cp\u003eKB thermostat for the Duramax L5P (2017-2025). Listed for one application: Duramax L5P engines, 2017-2025, in Chevrolet, GMC applications. Confirm your engine code and year against this listing before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\u003cp\u003eThe thermostat controls when coolant flows to the radiator and sets operating temperature. Stuck closed it overheats the engine; stuck open it never warms up, hurting mileage and setting a P0128. A new thermostat at the correct rating restores stable temperature.\u003c\/p\u003e\n\u003ch3\u003eFits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChevrolet vehicles with the Duramax L5P engine, 2017-2025\u003c\/li\u003e\n\u003cli\u003eGMC vehicles with the Duramax L5P engine, 2017-2025\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFixes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eP0128 coolant temperature below regulating range\u003c\/li\u003e\n\u003cli\u003eoverheating with a cool radiator\u003c\/li\u003e\n\u003cli\u003ea slow warm-up and poor heater output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003ethe thermostat (and housing \/ seal where the listing says so)\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: KB\u003c\/li\u003e\n\u003cli\u003ePart number: KB-6.6L-1726-THCP\u003c\/li\u003e\n\u003cli\u003eShipping weight: 0.8 lb\u003c\/li\u003e\n\u003cli\u003eCondition: new\u003c\/li\u003e\n\u003cli\u003eProduct type: Thermostat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCross-reference\u003c\/h3\u003e\u003cp\u003eReplaces or interchanges with KB KB-6.6L-1726-THCP for the Duramax L5P. Check the part number stamped on your original before ordering.\u003c\/p\u003e\n\u003cp\u003eFree shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? \u003ca href=\"\/pages\/contact\"\u003eAsk a tech\u003c\/a\u003e before you buy.\u003c\/p\u003e","brand":"KB","offers":[{"title":"Default Title","offer_id":54842893205717,"sku":"CPP-L5P-TSTAT-02","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3835\/6181\/files\/duramax-l5p-thermostat-2017-2025-1_0f607f21-94b7-4ac9-9211-5938ed90dd91.jpg?v=1788633105","url":"https:\/\/corepowertrainparts.com\/products\/duramax-l5p-thermostat-2017-2025-kb-kb-6-6l-1726-thcp","provider":"CorePowertrainParts.com","version":"1.0","type":"link"}