{"product_id":"cadillac-cts-sts-2008-2011-3-6l-v6-auxiliary-water-pump-25808860-251-721","title":"Cadillac CTS STS 2008-2011 3.6L V6 Auxiliary Water Pump 25808860 251-721","description":"\u003cstrong\u003eThis Cadillac CTS STS 2008-2011 3.6L V6 Auxiliary Water Pump is an electric engine coolant pump compatible with Cadillac CTS and STS models and matches OEM Part# 25808860 and 251-721.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis Cadillac CTS STS 2008-2011 3.6L V6 Auxiliary Water Pump is an electric replacement component designed to maintain secondary coolant circulation. The auxiliary water pump ensures consistent temperature regulation for the heating system and engine components after shutdown. This auxiliary water pump is an essential part for Cadillac owners needing to restore cooling efficiency and prevent overheating.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered for a direct fit and easy installation\u003c\/li\u003e\n\u003cli\u003eElectric motor provides consistent coolant flow independent of engine speed\u003c\/li\u003e\n\u003cli\u003eDurable housing materials resist thermal stress and vibrations\u003c\/li\u003e\n\u003cli\u003eThoroughly tested to ensure leak-free performance and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2008-2009 Cadillac CTS 3.6L V6\u003c\/li\u003e\n\u003cli\u003e2008-2011 Cadillac STS 3.6L V6\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a leaking or noisy factory auxiliary pump\u003c\/li\u003e\n\u003cli\u003eRestoring proper cabin heater performance during idle\u003c\/li\u003e\n\u003cli\u003eMaintaining coolant circulation after the engine is turned off\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 25808860, 251-721, 251721\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 3.6L V6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e Electric\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does an auxiliary water pump do?\u003cstrong\u003e A:\u003c\/strong\u003e It is an electric pump that circulates coolant to the heater core and engine to maintain temperatures when the primary mechanical pump is at low RPM or off.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What are the signs of a failing auxiliary pump?\u003cstrong\u003e A:\u003c\/strong\u003e Common symptoms include reduced heater performance at stoplights, unusual humming noises from the engine bay, or visible coolant leaks near the pump housing.\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":51867547205905,"sku":"ZZ1Q01606","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/116712592141-1.jpg?v=1754012161","url":"https:\/\/www.duraforce.com\/products\/cadillac-cts-sts-2008-2011-3-6l-v6-auxiliary-water-pump-25808860-251-721","provider":"DURAFORCE","version":"1.0","type":"link"}