{"product_id":"2803730-2706252-water-pump-for-cat-303-5c-303-5d-303c-304c-304d-305-5d-305c","title":"2803730 2706252 Water Pump for CAT 303.5C 303.5D 303C 304C 304D 305.5D 305C","description":"\u003cstrong\u003eThis Water Pump is a coolant circulation pump compatible with CAT 303.5C, 303.5D, 303C, 304C, 304D, 305.5D, and 305C models and matches OEM Part# 280-3730 and 270-6252.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003eThis Water Pump circulates coolant through the engine block and radiator to prevent overheating in compact CAT excavators. Designed as a direct replacement for the original pump, this water pump maintains proper engine operating temperature for models including the 303.5C and 305C. It is built to meet OEM specifications for reliable long-term performance.\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-cast impeller provides consistent coolant flow at all engine speeds\u003c\/li\u003e\n\u003cli\u003eHeavy-duty bearing assembly reduces shaft wobble and extends service life\u003c\/li\u003e\n\u003cli\u003eIncludes a new gasket for a leak-free seal during installation\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on design requires no modifications for installation\u003c\/li\u003e\n\u003cli\u003eBalanced rotating assembly minimizes vibration and noise\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCAT 303.5C\u003c\/li\u003e\n\u003cli\u003eCAT 303.5D\u003c\/li\u003e\n\u003cli\u003eCAT 303C\u003c\/li\u003e\n\u003cli\u003eCAT 304C\u003c\/li\u003e\n\u003cli\u003eCAT 304D\u003c\/li\u003e\n\u003cli\u003eCAT 305.5D\u003c\/li\u003e\n\u003cli\u003eCAT 305C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a leaking or noisy water pump on a compact CAT excavator\u003c\/li\u003e\n\u003cli\u003ePerforming scheduled cooling system maintenance during engine overhaul\u003c\/li\u003e\n\u003cli\u003eRestoring coolant circulation after a thermostat or radiator replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 280-3730, 270-6252\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cast Iron Housing with Steel Impeller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Gasket:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this water pump a direct replacement for the original CAT part?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this pump is designed to match the dimensions and flow rate of the OEM 280-3730 and 270-6252 units.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this water pump come with the pulley?\u003cstrong\u003e A:\u003c\/strong\u003e No, the pulley must be transferred from your old pump; this is the pump body only.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53677921894673,"sku":"ZZ2Z01500","price":99.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/12_7fb748b5-9294-4eb4-b85e-123dd88b580a.jpg?v=1781612977","url":"https:\/\/www.duraforce.com\/products\/2803730-2706252-water-pump-for-cat-303-5c-303-5d-303c-304c-304d-305-5d-305c","provider":"DURAFORCE","version":"1.0","type":"link"}