{"product_id":"one-piece-thermostat-housing-kit-for-2001-2005-lb7-lly-duramax","title":"One Piece Thermostat Housing Kit For 2001-2005 LB7 \/ LLY Duramax","description":"\u003cdiv\u003e\n\u003ch2\u003eHSP One Piece Thermostat Housing Kit for 2001-2005 Chevrolet \/ GMC Duramax LB7 \/ LLY\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e040-HSP One Piece Thermostat Housing Kit\u003c\/strong\u003e is designed for 2001-2005 Chevrolet and GMC Duramax LB7 and LLY trucks. This forward-facing thermostat housing is a major upgrade for trucks running aftermarket turbos, dual CP3 systems, or custom engine bay layouts. It simplifies coolant routing, increases under-hood clearance, and dramatically improves serviceability and aesthetics.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose the HSP Thermostat Housing Kit?\u003c\/h3\u003e\n\u003cp\u003eFactory coolant routing on LB7 and LLY trucks is restrictive and often interferes with performance modifications. The OEM coolant hose runs across the driver-side valve cover, creating constant clearance issues especially with upgraded turbos or dual fuel setups. The \u003cstrong\u003eHSP Thermostat Housing Kit\u003c\/strong\u003e removes these limitations by redesigning the coolant exit path for significantly improved workspace and routing flexibility.\u003c\/p\u003e\n\u003ch3\u003eWhat Makes It Different?\u003c\/h3\u003e\n\u003cp\u003eUnlike the stock unit, the HSP housing reroutes coolant away from the valve cover area, providing room for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket and custom turbo systems\u003c\/li\u003e\n\u003cli\u003eDual CP3 fuel pump kits\u003c\/li\u003e\n\u003cli\u003eSImplified maintenance access\u003c\/li\u003e\n\u003cli\u003eCleaner, more organized engine bay layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach unit is CNC-machined from aluminum and paired with a powder-coated hard tube for exceptional durability and visual appeal.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Aluminum Thermostat Housing (HSP-IN-716-C)\u003c\/li\u003e\n\u003cli\u003e1x Radiator Hose Tube w\/ Logo (HSP-IN-229)\u003c\/li\u003e\n\u003cli\u003e1x M8x1.25-25mm Socket Cap Bolt (RFB-909-RFAB)\u003c\/li\u003e\n\u003cli\u003e3x M8x1.25-45mm Socket Cap Bolt (RFB-1032-RFAB)\u003c\/li\u003e\n\u003cli\u003e18\" of 3\/8\" Heater Hose (RFB-395-RFAB)\u003c\/li\u003e\n\u003cli\u003e2x 1\/2\" Worm Gear Clamp (RFB-405-RFAB)\u003c\/li\u003e\n\u003cli\u003e4x 1-3\/4\" T-Bolt Clamp (RFB-426-RFAB)\u003c\/li\u003e\n\u003cli\u003e1x 1.75\" 90° Rubber Boot (RFB-433-RFAB)\u003c\/li\u003e\n\u003cli\u003e1x 1.75\" x 3\" Straight Rubber Boot (RFB-437-RFAB)\u003c\/li\u003e\n\u003cli\u003e1x Metric Bonded Seal 14mm (RFB-455-RFAB)\u003c\/li\u003e\n\u003cli\u003e1x M14x1.5 to 3\/8\" Hose Barb (RFB-692-RFAB)\u003c\/li\u003e\n\u003cli\u003e1x M14x1.5 Port Plug (RFB-969-RFAB)\u003c\/li\u003e\n\u003cli\u003e3x M6x1.0x35mm Flange Bolts (RFB-914-RFAB)\u003c\/li\u003e\n\u003cli\u003e6x M6 Fender Washers (RFB-915-RFAB)\u003c\/li\u003e\n\u003cli\u003e3x M6 Nylon Lock Nut (RFB-916-RFAB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLB7: 2001-2004 (VIN Code 1)\u003c\/li\u003e\n\u003cli\u003eLLY: 2004.5-2005 (VIN Code 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Identify VIN Code\u003c\/h3\u003e\n\u003cp\u003eThe engine code is determined by the \u003cstrong\u003e8th character\u003c\/strong\u003e of the VIN number.\u003cbr\u003eThe model year is determined by the \u003cstrong\u003e10th character\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCNC-machined aluminum thermostat upper housing\u003c\/li\u003e\n\u003cli\u003eCreates additional clearance for aftermarket turbochargers\u003c\/li\u003e\n\u003cli\u003eImproves access to driver-side fuel system components\u003c\/li\u003e\n\u003cli\u003eIncludes powder-coated hard tube for a cleaner engine bay\u003c\/li\u003e\n\u003cli\u003eCompatible with dual CP3 pump kits\u003c\/li\u003e\n\u003cli\u003eMultiple powder coat and custom finish options\u003c\/li\u003e\n\u003cli\u003eIdeal for high-power or custom turbocharger configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOur Warranty\u003c\/h3\u003e\n\u003ch4\u003eHSP NO BS LIMITED LIFETIME WARRANTY\u003c\/h4\u003e\n\u003cp\u003eAt HSP, we believe in our products and stand behind every one that leaves our facility. For years, we've gone above and beyond for customers even without a formal policy. With the HSP No BS Limited Lifetime Warranty, that same commitment is now set in stone. We aim to provide clarity, dependability, and support throughout every step of ownership.\u003c\/p\u003e\n\u003cp\u003eFor more information about our Lifetime, No BS Warranty, click \u003ca href=\"{{store%20url='hsp-warranty'}}\" alt=\"HSP Limited Lifetime Warranty\" title=\"Read the complete HSP Limited Lifetime Warranty!\"\u003eHERE\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HSP Diesel Performance","offers":[{"title":"Unfinished Raw","offer_id":56009022964004,"sku":null,"price":460.0,"currency_code":"USD","in_stock":true},{"title":"Flag Red","offer_id":56009022996772,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"Illusion Blueberry","offer_id":56009023029540,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"Illusion Purple","offer_id":56009023062308,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"Illusion Cherry","offer_id":56009023095076,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"Kingsport Gray","offer_id":56009023127844,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"Ink Black","offer_id":56009023160612,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"M\u0026M Orange","offer_id":56009023193380,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"Silk Satin Black","offer_id":56009023226148,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true},{"title":"Polar White","offer_id":56009023258916,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/4019\/6388\/files\/040-hsp-raw.webp?v=1786474114","url":"https:\/\/stainlessdiesel.com\/products\/one-piece-thermostat-housing-kit-for-2001-2005-lb7-lly-duramax","provider":"Stainless Diesel ","version":"1.0","type":"link"}