{"product_id":"bmw-n54-335i-billet-water-hose-fitting-11537541992-11537544638-mtc-motorsport","title":"BMW N54 N53 N52 N20 N55 thermostat to head coolant hose fitting, 11537541992 11537544638","description":"\u003cp\u003eThis CNC-machined billet 6061 aluminium fitting replaces the fragile plastic thermostat-to-head connector on BMW N54, N53, N52, N20 and N55 engines. It’s a fast-road or track-day upgrade that stops coolant leaks before they start - no more brittle plastic snapping under heat or boost.\u003c\/p\u003e\u003cp\u003eFits exactly like OEM: direct replacement for part numbers \u003cstrong\u003e11537541992\u003c\/strong\u003e and \u003cstrong\u003e11537544638\u003c\/strong\u003e. Includes correct O-ring spec - thinner for N55, standard for others.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo modifications\u003c\/strong\u003e - bolts straight in with stock hoses and clamps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-proven\u003c\/strong\u003e - handles higher temps and sustained load better than plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-friendly\u003c\/strong\u003e - typical install takes under 20 minutes with basic tools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cuz Race Cars","offers":[{"title":"Default Title","offer_id":54384622600535,"sku":null,"price":39.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/4575\/7271\/files\/BMWN54335IBILLETWATERHOSEFITTINGf.jpg?v=1787155979","url":"https:\/\/cuzracecars.com\/products\/bmw-n54-335i-billet-water-hose-fitting-11537541992-11537544638-mtc-motorsport","provider":"Cuz Race Cars","version":"1.0","type":"link"}