{"product_id":"21147880-engine-heater-genuine-volvo-penta","title":"21147880 Engine Heater | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Genuine Volvo Penta engine coolant heater for TAD740GE, TAD741GE and TWD740GE installations. The heater warms the engine coolant before starting to improve cold-start performance, reduce white smoke and shorten the time required to reach stable operating temperature.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta engine coolant heater\n \u003c\/li\u003e\n \u003cli\u003e\n  Confirmed TAD740GE, TAD741GE and TWD740GE fitment\n \u003c\/li\u003e\n \u003cli\u003e\n  Supersedes earlier heater 866586\n \u003c\/li\u003e\n \u003cli\u003e\n  Installed in the engine cooling circuit\n \u003c\/li\u003e\n \u003cli\u003e\n  Electrical rating and connection must match the original heater and regional supply voltage\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Volvo Penta 7-litre inline-six industrial diesel\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Adds heat to the engine coolant before starting so the cylinder block and combustion chambers begin closer to operating temperature.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Heater remains cold when energised\n \u003c\/li\u003e\n \u003cli\u003e\n  Repeated tripping of the supply breaker or blown fuse\n \u003c\/li\u003e\n \u003cli\u003e\n  Coolant leakage around the heater seal or body\n \u003c\/li\u003e\n \u003cli\u003e\n  Damaged cable, plug or electrical insulation\n \u003c\/li\u003e\n \u003cli\u003e\n  Hard cold starting and excessive white smoke despite normal fuel and compression\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🛠️ Service Notes\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  The cooling system must be filled and properly vented before the heater is switched on — energising the element in a dry or air-locked jacket will burn it out\n \u003c\/li\u003e\n \u003cli\u003e\n  Isolate the shore supply and let the engine cool before removing or fitting a heater, and drain enough coolant to work below the heater opening\n \u003c\/li\u003e\n \u003cli\u003e\n  Renew the sealing ring or gasket at the opening and tighten to the figure in the workshop manual for your engine\n \u003c\/li\u003e\n \u003cli\u003e\n  Inspect the element for scale and the housing for corrosion; a heavily scaled element runs hot and will fail again\n \u003c\/li\u003e\n \u003cli\u003e\n  Have the electrical connection made off correctly and protected, fed from a properly earthed and protected shore supply, and check the cable and connector for damage each season\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n OEM Supersession Chain\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  21147880 → Supersedes 866586\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  866586 earlier number superseded by this part\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📦 Condition\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta part\n \u003c\/li\u003e\n \u003cli\u003e\n  Brand new\n \u003c\/li\u003e\n \u003cli\u003e\n  Supplied in original or equivalent packaging\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53379851223332,"sku":"541587G","price":2234.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_4a8c1024-3042-456a-bce7-0620d0fbe9a5.jpg?v=1788055928","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21147880-engine-heater-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}