{"product_id":"heat-exchanger-filler-cap-1","title":"D-Line heat exchanger filler cap","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThe design of the heat exchanger filler necks and pressure caps used on Vetus D-Line and Vetus Deutz engines was changed in 2019\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe original filler caps, STM9507 and STM1017 are no longer available; and the\u003c\/span\u003e\u003cspan\u003e original filler necks, STM3750 and STM1515 are also no longer available.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe new pressure cap for these engines is blue plastic and the same one is used for heat-exchanger cooled engines and keel-cooled engines - regardless of whether they have a calorifier or expansion tank fitted.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe cap vents at 1.4 bar and a small length of pipe can be used to drain any coolant overflow into the bilge. \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIf you are replacing the original metal pressure cap with the new blue plastic cap, you must also replace the filler neck at the same with the new type. \u003c\/span\u003e\u003cspan\u003eReplacement of the filler neck is relatively simple: unscrew the original and screw in the new one, then tighten it.\u003cbr\u003e\u003cbr\u003eThe thread on the new filler neck is M36 x 1.5.\u003cbr\u003e\u003cbr\u003ePart references:\u003cbr\u003eSETDOPD - filler neck \u0026amp; filler cap\u003cbr\u003e18-14716 - filler cap only\u003cbr\u003e18-14649 - filler neck only\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Vetus Diesel","offers":[{"title":"Filler neck \u0026 cap","offer_id":61238202761550,"sku":"SETDOPD","price":34.4,"currency_code":"GBP","in_stock":true},{"title":"Filler cap only","offer_id":61238202794318,"sku":"18-14716","price":20.4,"currency_code":"GBP","in_stock":true},{"title":"Filler neck only","offer_id":61238202827086,"sku":"18-14649","price":18.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/7445\/1534\/files\/SETDOPD_780.png?v=1792093361","url":"https:\/\/vetusdiesel.co.uk\/products\/heat-exchanger-filler-cap-1","provider":"Vetus Diesel","version":"1.0","type":"link"}