{"title":"Cummins Diesel Engine Block Heaters","description":"\u003cdiv class=\"container 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\/cummins-engines-block-heater.jpg\" alt=\"Cummins Block Heater\"\u003e\n\u003cp\u003eKeep Cummins engine fluids from cold weather freeze ups with block heaters from \u003cstrong\u003eDiesel Parts Direct\u003c\/strong\u003e. Diesel fuel can quickly turn to gel when temperatures drop below freezing. Improve fluid circulation and pressure during cold starts with a Cummins block heater for 5.9-liter and 6.7-liter engines. Many of our selection of Hotstart block heaters and aftermarket alternatives are in-stock and available for same-day shipping.\u003c\/p\u003e\n\u003cp\u003eOur A+ rating from the \u003ca href=\"https:\/\/www.bbb.org\/us\/la\/baton-rouge\/profile\/engine-equipment\/diesel-parts-direct-0835-22000598\"\u003eBetter Business Bureau\u003c\/a\u003e proves our commitment to supply high quality products and exceptional service, so if you need help choosing a 5.9 Cummins block heater for easier starts and faster engine heat, just ask!\u003c\/p\u003e\n\u003cp\u003eDiesel Parts Direct have the parts you need to keep Cummins diesel engines operating through the winter months.\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":"hotstart-hscub751fp-block-heater-4bt-3-9l-6bt-5-9l-120-v-750-w","title":"HOTSTART HSCUB751FP Block Heater - 4BT 3.9L \/ 6BT 5.9L (120 V, 750 W)","description":"\u003cdiv class=\"container product-container\"\u003e\u003cdiv class=\"row\"\u003e\u003cdiv class=\"col-sm-12 product-container-content\"\u003e\n\n\u003cp\u003eThis block heater (120 V, 750 W) can be used on Cummins 4BT 3.9L and 6BT 5.9L engines. It replaces the 57.8 mm core plug on thre right side of engine.\u003cbr\u003eYou should check the exhaust routing before installation to determine if a heat shield is required.\u003c\/p\u003e\n\u003cp\u003eThis block heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent.\u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959652036800,"sku":"HSCUB751FP","price":306.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/dpd_logo_27.jpg?v=1791225143"},{"product_id":"hotstart-hscnt151b90-block-heater-n-nt-nh-august-1975-thru-june-1982-120","title":"HOTSTART HSCNT151B90 Block Heater - N \/ Nt \/ Nh (august 1975 Thru June 1982, 120","description":"\u003cdiv class=\"container product-container\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-sm-12 product-container-content\"\u003e  \u003cp\u003eThis Block Heater (120 V, 1500 W) can be used on Cummins 6-cylinder engines of the H\/NT\/NH\/N family produced between August 1975 and June 1982 (including 743 CID, 855 CID, 927 CID, and N14 ) when the connection is a 1 1\/2\" rubber hose. The 6-bolt, flat plate design is installed with an elbow that will rotate 360 degrees to connect with any hose or casting.\u003c\/p\u003e \u003cp\u003eThis Block Heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent. \u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959652069568,"sku":"HSCNT151B90","price":851.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/dpd_logo_27.jpg?v=1791225143"},{"product_id":"hotstart-hscub151fp-block-heater-6bt-5-9l-120-v-1500-w","title":"HOTSTART HSCUB151FP Block Heater - 6BT 5.9L (120 V, 1500 W)","description":"\u003cdiv class=\"container product-container\"\u003e\u003cdiv class=\"row\"\u003e\u003cdiv class=\"col-sm-12 product-container-content\"\u003e\n\n\u003cp\u003eThis block heater (120 V, 1500 W) can be used on Cummins 6BT 5.9L engines. It replaces the 57.8 mm core plug on thre right side of engine.\u003cbr\u003eYou should check the exhaust routing before installation to determine if a heat shield is required.\u003c\/p\u003e\n\u003cp\u003eThis block heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent.\u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959652200640,"sku":"HSCUB151FP","price":321.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/dpd_logo_27.jpg?v=1791225143"},{"product_id":"cua-101f-a-series-block-heater-for-cummins-diesel-engines","title":"CUA-101F A Series Block Heater For Cummins Diesel Engines","description":"\u003cdiv class=\"container product-container\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-sm-12 product-container-content\"\u003e  \u003cp\u003eThis block heater (120 V, 1000 W) can be used on Cummins 4 and 6 cylinder A Series engines. It inserts in any of the core plugs on the right side of the engine. The element points down. \u003c\/p\u003e \u003cp\u003eThis block heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent. \u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959652233408,"sku":"HSCUA101F","price":279.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/hscua101f-1.jpg?v=1791231418"},{"product_id":"hotstart-hscul151-block-heater-l10-m11-ism-2007-qsm-120-v-1500-w","title":"HOTSTART HSCUL151 Block Heater - L10 \/ M11 \/ Ism 2007 \/ Qsm (120 V, 1500 W)","description":"\u003cdiv class=\"container product-container\"\u003e\u003cdiv class=\"row\"\u003e\u003cdiv class=\"col-sm-12 product-container-content\"\u003e\n\n\u003cp\u003eThis block heater (120 V, 1500 W) can be used on Cummins L10, M11, ISM 2007, and QSM engines. It inserts in the forward opening of the heater casting on the right rear of the engine block. \u003c\/p\u003e\n\u003cp\u003eThis block heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent.\u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959652561088,"sku":"HSCUL151","price":288.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/dpd_logo_27.jpg?v=1791225143"},{"product_id":"hotstart-hscub101fp-block-heater-4bt-3-9l-6bt-5-9l-120-v-1000-w","title":"HOTSTART HSCUB101FP Block Heater - 4BT 3.9L \/ 6BT 5.9L (120 V, 1000 W)","description":"\u003cdiv class=\"container product-container\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-sm-12 product-container-content\"\u003e  \u003cp\u003e This Block Heater (120 V, 1000 W) can be used on Cummins 4BT 3.9L and 6BT 5.9L engines. It replaces the 57.8 mm core plug on the right side of engine. \u003cbr\u003eYou should check the exhaust routing before installation to determine if a heat shield is required. \u003c\/p\u003e \u003cp\u003eThis block heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent. \u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e  \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959652659392,"sku":"HSCUB101FP","price":305.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/dpd_logo_27.jpg?v=1791225143"},{"product_id":"hotstart-hsdd8l101-block-heater-120-v-1000-w","title":"HOTSTART HSDD8L101 Block Heater (120 V, 1000 W)","description":"\u003cdiv class=\"container product-container\"\u003e\u003cdiv class=\"row\"\u003e\u003cdiv class=\"col-sm-12 product-container-content\"\u003e\n\n\u003cp\u003eThis block heater (120 V, 1000 W) can be used on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 3176 10.3L engines (through 1995).\u003cbr\u003eIt replaces the 3\/4\" (0.75\") threaded plug on the right side of the engine, just below the head.\u003c\/li\u003e\n\u003cli\u003eCaterpillar 3304 and 3306 engines.\u003cbr\u003eIt replaces the 3\/4\" (0.75\") plug on the left side of the engine.\u003c\/li\u003e\n\u003cli\u003eCummins ISC and QSC 8.3L and ISL and QSL 9.0L engines.\u003cbr\u003eIt replaces the 3\/4\" (0.75\") NPT plug in the right front side of the engine. \u003c\/li\u003e\n\u003cli\u003eDetroit Diesel 6V92 and 8V92 engines (in an alternate location).\u003cbr\u003eIt threads into the 3\/4\" (0.75\") NPT opening in the oil cooler housing. \u003cstrong\u003ePlease note that not all engines have this opening.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel 8.2 L V8 engines.\u003cbr\u003eIt threads into the 3\/4\" (0.75\") NPT opening on the engine block.\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel Series 30 engines.\u003cbr\u003eIt mounts in the 3\/4\" (0.75\") NPT opening in the engine block.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis block heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent.\u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959652790464,"sku":"HSDD8L101","price":201.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/dpd_logo_27.jpg?v=1791225143"},{"product_id":"hotstart-hstf751002-block-heater-120-v-750-w","title":"HOTSTART HSTF751002 Block Heater (120 V, 750 W)","description":"\u003cdiv class=\"container product-container\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-sm-12 product-container-content\"\u003e  \u003cp\u003eThis block heater (120 V, 750 W) can be used on: \u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDetroit Diesel 6V92 and 8V92 engines in an alternate location. \u003cbr\u003eIt threads into the 3\/4\" (0.75\") NPT opening in the oil cooler housing. \u003cstrong\u003ePlease note that not all engines have this opening.\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eDetroit Diesel 8.2 L V8 engines. \u003cbr\u003eIt threads into the 3\/4\" (0.75\") NPT opening on the engine block.\u003c\/li\u003e \u003cli\u003eDetroit Diesel Series 30 engines. \u003cbr\u003eIt mounts in the 3\/4\" (0.75\") NPT opening in the engine block.\u003c\/li\u003e \u003cli\u003eCummins ISC and QSC 8.3L and ISL and QSL 9.0L engines. \u003cbr\u003eIt replaces the 3\/4\" (0.75\") NPT plug in the right front side of the engine. \u003c\/li\u003e \u003cli\u003eCummins QSB 3.9L and 5.9L, and ISB 5.9L engines. \u003cbr\u003eIt replaces the 3\/4\" (0.75\") NPT plug in the front of the oil cooler casting. \u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003eThis block heater mounts directly into the water jacket of the engine, reducing engine wear due to cold starts by up to 50 percent. \u003cbr\u003eIt comes with a 2-wire, grounded, 6 feet (1.8m) HPN cord and plug, and ships.\u003c\/p\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"HOTSTART","offers":[{"title":"Default Title","offer_id":48959656820928,"sku":"HSTF751002","price":202.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0351\/7376\/files\/dpd_logo_27.jpg?v=1791225143"}],"url":"https:\/\/www.dieselpartsdirect.com\/collections\/cummins-diesel-engine-block-heaters.oembed","provider":"Diesel Parts Direct","version":"1.0","type":"link"}