{"title":"Cummins 4BT 3.9 and 6BT 5.9 Thermostats","description":"\u003cdiv class=\"category-container\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-sm-12 category-product-listing\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/b-series-parts-thermostat.jpg\" alt=\"Cummins 4BT\/6BT Thermostat\"\u003e\n\u003cp\u003eMaintain the cooling system in Cummins B-Series engines with thermostats from \u003cstrong\u003eDiesel Parts Direct\u003c\/strong\u003e. Correct regulation of temperature is vital to the operation of 4BT and 6BT engines, so when it’s time to replace the thermostat, check out our online catalog. We have 5.9 and 3.9 Cummins thermostats in-stock and ready to ship.\u003c\/p\u003e\n\u003cp\u003eMalfunctioning thermostats can lead to irreversible damage in the cylinder head. Avoid a complete rebuild by replacing the thermostat in your Cummins 3.9 and 5.9L engines during routine maintenance. Our in-stock guarantee ensures minimal downtime, as many popular parts are ready to ship the same day of purchase.\u003c\/p\u003e\n\u003cp\u003eDepend on Diesel Parts Direct to deliver the parts your B-Series engines need.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"cummins-3349225-thermostat-for-kta38-m-and-kta50-m2-diesel-engines","title":"Cummins 3349225 Thermostat For KTA38-M And KTA50-M2 Diesel Engines","description":"\u003cdiv class=\"container product-container\"\u003e\n\n\u003cdiv class=\"row\"\u003e\n\n\u003cdiv class=\"col-sm-12 product-container-content\"\u003e\n\n\u003cp\u003eThis is a Cummins Thermostat for KTA38-M engines.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"CUMMINS","offers":[{"title":"Default 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