{"product_id":"78-1083-belt-engine-to-compressor-for-thermo-king-md-ii-sr-w-tk-3-74-engine","title":"78-1083 Belt Engine to Compressor for Thermo King MD-II SR w\/TK 3.74 Engine","description":"\u003ch2\u003eBelt Engine to Compressor for Thermo King MD-II SR w\/TK 3.74 Engine\u003c\/h2\u003e\u003cp\u003eThis 78-1083 belt engine to compressor is a replacement drive belt for Thermo King MD-II SR units equipped with the TK 3.74 engine, matching OEM cross-reference 781083. It transmits power between the engine and compressor for reliable operation.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis belt engine to compressor for Thermo King MD-II SR with TK 3.74 engine transfers rotational force to drive the compressor. It is a direct fit replacement that matches the factory belt specifications for this specific engine and unit combination.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFabric-reinforced rubber withstands high belt speed\u003c\/li\u003e\n\u003cli\u003eDimensional accuracy matches original 78-1083 routing\u003c\/li\u003e\n\u003cli\u003eOil and ozone resistant for under-hood environments\u003c\/li\u003e\n\u003cli\u003eLow elongation keeps tension stable over time\u003c\/li\u003e\n\u003cli\u003eRib profile prevents slipping at startup\u003c\/li\u003e\n\u003cli\u003eCompatible with TK 3.74 engine pulley geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Thermo King MD-II SR\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces a failed belt on reefer units during breakdown repair\u003c\/li\u003e\n\u003cli\u003eServes as replacement during scheduled engine service\u003c\/li\u003e\n\u003cli\u003eMaintains compressor speed for accurate temperature control\u003c\/li\u003e\n\u003cli\u003eFits the MD-II SR with the TK 3.74 engine package only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e78-1083, 781083\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBelt Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine to Compressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTK 3.74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this belt be used on a standard MD-II without the SR package? \u003cstrong\u003eA:\u003c\/strong\u003e This belt is specifically engineered for MD-II SR with the TK 3.74 engine, so use it only on that configuration to avoid length mismatch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What are signs the engine-to-compressor belt needs replacement? \u003cstrong\u003eA:\u003c\/strong\u003e Cracking, glazing, or squealing when the compressor engages are common indicators. Inspect the belt regularly for wear and replace without delay.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46611701039290,"sku":"ZZ3F06001","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_15e9cfb1-5f87-442e-bd7a-bf5703e79228.jpg?v=1789009560","url":"https:\/\/partoutfitters.com\/products\/78-1083-belt-engine-to-compressor-for-thermo-king-md-ii-sr-w-tk-3-74-engine","provider":"Part Outfitters","version":"1.0","type":"link"}