| BMW Z3 1.9 - Water Pumps & Hoses - Page 1 |
| Is your car starting to run a little hot? Is it overheating while sitting at idle? It's possible you may need to replace your water pump. An easy way to check your water pump is to look underneath the car and check for water seepage out of the pump. This means that water is leaking past the bearing and seals, indicating the pump is on its way out. Another way to check is to squeeze and hold the upper radiator hose for a few seconds (CAUTION: the hose may be hot - use gloves) while the car is running. If you feel no pressure building up, it is a sign that water is not circulating and the pump may be bad. |
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Engine Water Hose |
| Radiator hose is used to transport coolant from the radiator to the engine. |
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 11-53-1-247-261-M203 | Radiator Hose Lower, Z3 1.9 Brand: Rein Automotive [More Info] |  |
| $10.50 |  |
 11-53-1-247-398-M109 | Water Hose from Water Pipe, Z3 1.9 Brand: Mackay [More Info] |  |
| $11.25 |  |
 11-53-1-743-295-M203 | Water Hose Expansion Tank to Water Pipe, Z3 1.9 Brand: Rein Automotive [More Info] |  |
| $14.75 |  |
| 11-53-1-743-535-M203 | Radiator Hose Upper, Z3 1.9 Brand: Rein Automotive [More Info] |  |
| $15.00 |  |
| Heater Hose |
| Heater hose is used to carry water from the engine to the heater core. |
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 64-21-8-362-777-M21 | Heater Hose Heater Core to Water Valve, Z3 1.9 Brand: Contitech [More Info] |  |
| $6.25 |  |
Thermostat |
| The thermostat is used to regulate engine temperature by regulating the amount of coolant circulating through the engine. |
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 11-53-1-743-017-M322 | Thermostat with Housing 95 deg. C, Z3 1.9 Brand: Behr-Thompson [More Info] |  |
| $50.25 |  |
Thermostat Housing Gasket |
| This gasket is used to seal the thermostat housing to the engine block. |
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 11-53-1-743-179-M17 | Gasket Thermostat Housing, Z3 1.9 Brand: Victor Reinz [More Info] |  |
| $6.75 |  |
Water Pump |
| The water pump is used to circulate water through the engine and radiator, keeping the engine cooled. If you see water seeping out of the water pump it's likely that it will soon need replacement. |
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| Water Pump NOTE: Also use- (1) 11 51 1 714 519 o-ring, Z3 1.9 |
 11-51-0-393-338-M575 | Water Pump NOTE: Also use- (1) 11 51 1 714 519 o-ring, Z3 1.9 Brand: [More Info] |  |
| $49.00 |  |
 11-51-0-393-338-M52 | Water Pump NOTE: Also use- (1) 11 51 1 714 519 o-ring, Z3 1.9 Brand: Graf [More Info] |  |
| $48.00 |  |
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Water Pump Pulley |
 11-51-1-739-527-M9 | Water Pump Pulley 123 mm Diameter, Z3 1.9 Brand: Genuine BMW [More Info] |  |
| $36.00 |  |
Water Pipe |
| Water Pipe "Connector" NOTE: Also use- (1) 11-53-1-709-157 o-ring, Z3 1.9 |
 11-53-1-714-738-M253 | Water Pipe "Connector" NOTE: Also use- (1) 11-53-1-709-157 o-ring, Z3 1.9 Brand: APA [More Info] |  |
| $10.50 |  |
 11-53-1-714-738-M9 | Water Pipe "Connector" NOTE: Also use- (1) 11-53-1-709-157 o-ring, Z3 1.9 Brand: Genuine BMW [More Info] |  |
| $19.25 |  |