{"product_id":"engine-block-heater-for-perkins-4-108-4-236-4-248-4-cyl-diesel-engines","title":"Engine Block Heater for Perkins 4.108 4-236 4-248 (4 cyl.) Diesel Engines","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Immersion Engine Block Heater for Perkins 4.108, 4-236, 4-248 (LD\/LF\/ED Platform)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Engine Block Heater installs into the cylinder water jacket on \u003cstrong\u003ePerkins 4.108, 4-236, and 4-248\u003c\/strong\u003e diesel engines to pre-heat coolant, dramatically reducing parasitic starter drag and ensuring rapid cold-weather compression ignition.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Perkins 4.108, 4-236, 4-248 Cold-Starting Vulnerability\u003c\/h3\u003e\n\u003cp\u003eDirect and indirect injection Perkins diesels rely strictly on compression heat to combust diesel fuel. In sub-freezing ambient conditions, cold cast-iron cylinder walls rapidly conduct heat away from the combustion chamber, preventing atomized diesel from reaching autoignition temperature. Combined with high-viscosity cold 15W-40 oil creating severe hydrodynamic drag across the crank journals, OEM starting systems suffer extreme battery draw, extended cranking cycles, unburnt fuel bore wash, and severe ring and bearing wear before oil pressure establishes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-immersion freeze plug heater delivers 600 watts of thermal energy at 110\/120V AC directly into the engine’s water jacket. Manufactured with a corrosion-resistant heating element press-fit to a precise 1-1\/4 inch diameter, it establishes a natural thermal siphon across the block without hot spots. Heating the coolant evenly warms cylinder sleeves and upper block journals, thinning engine oil to reduce starter fatigue and delivering instantaneous combustion pressures without the aid of volatile ether starting fluids.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003ePerkins 4.108, 4-236, 4-248\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003eED\u003c\/strong\u003e, \u003cstrong\u003eLD\u003c\/strong\u003e, \u003cstrong\u003eLF\u003c\/strong\u003e \/ \u003cstrong\u003eIndustrial\/Ag Platform\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e51–88 hp \/ 79–216 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePerkins 4.108 (E-Series \/ ED) 4-Cylinder Diesel\u003c\/li\u003e\n  \u003cli\u003ePerkins 4-236 (LD Series) 4-Cylinder Diesel\u003c\/li\u003e\n  \u003cli\u003ePerkins 4-248 (LF Series) 4-Cylinder Diesel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the Industrial\/Ag Platform 4.108, 4-236, 4-248?\u003c\/h4\u003e\n\u003cp\u003eYes, this heater is engineered specifically for direct installation on \u003cstrong\u003ePerkins 4.108, 4-236, and 4-248\u003c\/strong\u003e engines utilizing standard 1-1\/4 inch core freeze plug ports.\u003c\/p\u003e\n\n\u003ch4\u003eWhere is the heater element positioned during installation?\u003c\/h4\u003e\n\u003cp\u003eInstall the assembly on the left side of the block in the second freeze plug port from the rear, aligning the element either vertically up or down before torquing the retainer.\u003c\/p\u003e\n\n\u003ch3\u003eThe Perkins Heavy-Duty Standard\u003c\/h3\u003e\n\u003cp\u003eAgricultural, marine, and commercial machinery relying on Perkins power demand maximum mechanical uptime under severe working conditions. Eliminating dry friction start-ups and reducing cylinder taper wear safeguards critical rotating assemblies, providing dependable cold-weather ignition and extended service life across demanding industrial duty cycles.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67540413317368,"sku":"DS-EN3ZCE0XZ","price":120.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/engine-block-heater-for-perkins-4-108-4-236-4-248-4-cyl-diesel-engines-1.jpg?v=1790659623","url":"https:\/\/performancechiptuning.com\/products\/engine-block-heater-for-perkins-4-108-4-236-4-248-4-cyl-diesel-engines","provider":"Performance Chip Tuning","version":"1.0","type":"link"}