{"product_id":"mini-moke-water-pump-cast-impellor-with-bypass-gwp134","title":"MINI \u0026 MOKE WATER PUMP- CAST IMPELLOR WITH BYPASS [GWP134]","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh-capacity water pump with large cast-iron impeller and bypass take-off — budget version.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis high-flow water pump uses the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoriginal Airtex-style high-capacity design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e that was previously used by Rover. The original Airtex tooling has since been scrapped, making this a quality alternative for upgrading the cooling system on your Classic Mini or Moke.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe larger impeller moves significantly more coolant than the standard early \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGWP132\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e water pump and helps improve coolant circulation, particularly under high-RPM and Australian driving conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eLarge high-capacity impeller\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDurable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecast-iron impeller\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, not stamped steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAluminium pump body\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eBypass hose take-off\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved coolant flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps reduce cavitation in the water jacket\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBudget high-flow option\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for most A-Series applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe large impeller extends approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e14.03mm (just over 1\/2\") into the engine block\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing greater coolant flow than the standard pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis water pump will fit:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eAll 1275cc A-Series blocks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMost \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esmall-bore A-Series blocks\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Early \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e850cc and 997cc engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e may require some modification for impeller clearance. Corrosion or material around the block\/liner may need to be relieved, and the impeller may require minor clearance work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAlways check the clearance before final installation.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A useful method is to loosely fit the pump \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ewithout the gasket\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and carefully rotate it to ensure the impeller has sufficient clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReduce Cavitation Even Further\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe high-capacity pump helps reduce cavitation and increases coolant circulation, particularly at higher engine speeds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor further improvement, we recommend using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elarge-diameter water pump pulley CAM6408\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as originally fitted to Cooper S models and later reintroduced on A+ engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Always check clearance between the large pulley and cylinder head. If the cylinder head has been heavily machined, the pulley may foul the head.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSmall-Bore Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMany original small-bore engines were fitted with the standard \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGWP132\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e water pump. However, upgrading to a high-capacity pump can be a worthwhile improvement, particularly for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAustralian conditions and modified engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e where improved cooling performance is desirable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOther Water Pump Options\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGWP134EVO\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Upgraded high-capacity pump with plastic impeller and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-year guarantee\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGWP132\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Standard-style water pump\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOther water pump options are available in our store.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eA great-value high-flow water pump for improving coolant circulation on Classic Mini \u0026amp; Moke engines, with the added benefit of a durable cast-iron impeller and bypass connection.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Minisport.com.au","offers":[{"title":"Default Title","offer_id":44576632701238,"sku":"GWP134","price":49.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/3322\/9366\/files\/20260210_132632.jpg?v=1770692354","url":"https:\/\/minisport.com.au\/products\/mini-moke-water-pump-cast-impellor-with-bypass-gwp134","provider":"Minisport","version":"1.0","type":"link"}