1991 Buick Engine Water Pump - 40009321 | Hadwin White Wholesale Parts, Conway SC

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Engine Water Pump
This Fits Your Buick

Part Number: 40009321

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Water. Pump. Assembly -. Engine.
Main Engine Water Pump.

Engine Water Pump

Fits Sierra 1500, Silverado

2023-25. 3.0 LITER DIESEL. Silverado, Sierra.
Water Pump - Repair or Replace
If any of the components of your vehicle's water pump assembly are faulty, your engine can't properly cool itself. If you've noticed a coolant leak from the front of your engine, quickly rising engine temperatures at idle or that your water pump pulley is loose or making noise, have your 1991 Buick inspected by one of our certified Buick technicians.

Cooling system. Cooling fan. Radiator.

Full Diagram

#12

68MM. Crew Cab. Sierra; Auxiliary. Sierra; Bleeder; w/Double. Sierra; Bleeder; w/o Double. Sierra; EGR Bypass Outlet. Sierra; Lower. Sierra; Main. Sierra; Thermostat Bypass; 30 Deg Elbow. Sierra; Thermostat Bypass; 530mm. Sierra; Thermostat Bypass; Outlet. Sierra; Thermostat Bypass; Straight. Sierra; Upper; Left. Sierra; Upper; Right. Sierra; Upper; w/AT4. Sierra; Upper; w/o AT4. Sierra; Valve To EGR Cooler. Sierra; Water Pump to Lower Case.

Sierra. Silverado.

Water pump.

Full Diagram