Top Notch Electric Auxiliary Water Pump Direct Fit For Cadillac Sts Cts 2008 Through 2011 3.6L V6 Gas Engine Easily Swaps OE 25808860 For A Quick Clean Install That Keeps Your Engine Running Sweet Every Day
✔️ Fits 2008-2011 models Meets or exceeds OEM design specs
A single electric auxiliary pump circulates cool fluid through the radiator tubes and cabin heater core when the thermostat opens. Mechanics mount this handy replacement on transverse V6 setups to prevent localized hot spots and keep transmission oil cool during heavy towing or city traffic.
✅ Direct replacement for OE part number 25808860✅ Matches 2008 to 2011 STS and 2008 to 2009 CTS chassis
✅ Built for 3.6 liter gas engines demanding extra thermal management
✅ Straight bolt pattern swaps out corroded units in minutes
💡 What causes a secondary coolant circulation pump to wear out faster than the main unit?
Here is a handy rundown so shop guys and weekend wrenchers can spot trouble early and keep temps dialed in:
- Constant voltage spikes fry the commutator contacts and shorten motor life
- Grit and hard water gunk jam up the impeller fins and wreck the shaft seal
- Wrong mating surface gaskets change rotor play and boost drag load significantly
- Regular system flushes pull out abrasive particles before they shred the bearings