{"product_id":"expansion-tank-opel-astra-h-gtc-twintop-2004-2011-wb-a504","title":"Expansion Tank  Opel Astra H \/ GTC \/ TwinTop 2004-2011 MAP-100634","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eExpansion Tank for Opel Astra H \/ GTC \/ TwinTop (2004–2011)\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003ecoolant expansion tank\u003c\/strong\u003e (reservoir) is designed for the Opel Astra H range, helping maintain correct cooling system pressure and coolant volume during normal temperature changes. It is a direct replacement for the original tank when the existing unit is cracked, leaking, or the mounting points have weakened over time.\u003c\/p\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H (A04) 2004–2011\u003c\/strong\u003e — 1.4 (Z14XEP) 66 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H (A04) 2004–2011\u003c\/strong\u003e — 1.6 (A16XER \/ Z16XER) 85 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H (A04) 2004–2011\u003c\/strong\u003e — 1.6 (Z16XE1 \/ Z16XEP) 77 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H (A04) 2004–2011\u003c\/strong\u003e — 1.8 (A18XER \/ Z18XER) 103 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H (A04) 2004–2011\u003c\/strong\u003e — 1.8 (Z18XE) 92 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H (A04) 2004–2011\u003c\/strong\u003e — 1.9 CDTI 16V (Z19DTJ) 88 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H GTC (A04) 2005–2010\u003c\/strong\u003e — 1.8 (Z18XER) 103 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H GTC (A04) 2005–2010\u003c\/strong\u003e — 1.9 CDTi (Z19DTH) 110 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H GTC (A04) 2005–2010\u003c\/strong\u003e — 2.0 Turbo (Z20LER) 147 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H GTC (A04) 2005–2010\u003c\/strong\u003e — 2.0 OPC (Z20LEH) 177 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H TwinTop (A04) 2007–2009\u003c\/strong\u003e — 1.8 (A18XER \/ Z18XER) 103 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel Astra H TwinTop (A04) 2007–2009\u003c\/strong\u003e — 2.0 Turbo (Z20LER) 147 kW\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOE Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpel:\u003c\/strong\u003e 13 04 241\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVauxhall:\u003c\/strong\u003e 93179469\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Coolant Expansion Tank \/ Reservoir\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e MAP-100634\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Notes:\u003c\/strong\u003e Confirm hose routing, cap type, and sensor\/return port layout match your existing tank before fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Signs of a Failing Expansion Tank\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVisible coolant leaks or staining around the tank seams\u003c\/li\u003e\n\u003cli\u003eCracks near hose connections or mounting points\u003c\/li\u003e\n\u003cli\u003eCoolant smell in the engine bay after driving\u003c\/li\u003e\n\u003cli\u003eLow coolant warnings despite no radiator leaks found\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNationwide delivery is available in South Africa. If you are unsure about fitment, share your VIN or vehicle details and we’ll help confirm compatibility before you install the part.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAP Pro","offers":[{"title":"Default Title","offer_id":51742977294567,"sku":"MAP-100634","price":481.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/5943\/3703\/files\/wb-a504-expansion-tank-opel-astra-h-2004-2011.jpg?v=1769251039","url":"https:\/\/modernautoparts.co.za\/products\/expansion-tank-opel-astra-h-gtc-twintop-2004-2011-wb-a504","provider":"Modern Auto Parts ","version":"1.0","type":"link"}