t a  e 
REF NO. Part categories Parameter
GM GENUINE : 12685257 Water Pump Housing
  • Fan Clutch Included: No ; 
  • Housing Material: Aluminum ; 
  • Hub Height (IN): 1.53 ; 
  • Hub Height (MM): 38.86 ; 
  • Impeller Material: Steel ; 
  • Impeller Vane Quantity: 6 ; 
  • Includes Back Housing: Yes ; 
  • Installation Warnings: No ; 
  • Mounting Hardware Included: Yes ; 
  • Mounting Hole Quantity: 7 ; 
  • Pulley Included: Yes ; 
  • Pulley Outside Diameter (IN): 6.339 ; 
  • Pulley Outside Diameter (MM): 161 ; 
  • Related Cooling Fan Components: No ; 
  • Thermostat And Housing Included: Yes ; 
  • Water Pump Drive Type: Serpentine Belt ; 
GM GENUINE : 90537266 Water Pump Housing
  • Remanufactured?: No ; 
ACDELCO : 12708796 Water Pump Housing
GM GENUINE : 25204308 Water Pump Housing
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    Size/Parameters

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