{"product_id":"dual-circuit-coolant-expansion-tank-reservoir-aluminum-small","title":"Dual-circuit coolant expansion tank\/reservoir, aluminum, small","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDual-circuit coolant expansion tank\/reservoir\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— fabricated aluminum, hand-welded (not a stock stamped OEM plastic tank), with two separate sealed chambers, each with its own pressure cap and its own set of inlet\/outlet fittings on the bottom. \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eMeasures: 2\"x3\"x5\".\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo isolated chambers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(separated by that welded center seam) — each with its own fill cap and independent plumbing (4 ports total on the bottom, 2 per chamber)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Use Dex-Cool 50\/50 Coolant ONLY\"\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003enotice — Dex-Cool is the GM-spec orange OAT coolant commonly used in EV\/hybrid cooling systems for its long service life and compatibility with aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully TIG-welded aluminum construction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a mounting tab — this is a custom-fabricated part, not an injection-molded factory reservoir\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat it's for:\u003c\/strong\u003e\u003cbr\u003eEVs — especially conversions and some OEM EVs — often run\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etwo separate coolant loops\u003c\/strong\u003e: one for the battery pack (which needs a tighter temperature range) and one for the motor\/inverter\/drive unit (which tolerates higher temps). A dual-chamber reservoir like this lets each loop have its own expansion volume and fill point while sharing a single compact housing and mount point — common in custom EV conversions (Tesla drive unit swaps, etc.) or on some production EVs\/hybrids that split battery and powertrain cooling.\u003c\/p\u003e","brand":"EVTV Motor Verks Store","offers":[{"title":"Default Title","offer_id":67907123937433,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/9699\/3689\/files\/Tanksmall.jpg?v=1793634595","url":"https:\/\/store.evtv.me\/en-au\/products\/dual-circuit-coolant-expansion-tank-reservoir-aluminum-small","provider":"EVTV Motor Verks Store","version":"1.0","type":"link"}