1122001501LA Laso Water Pump; With 2 Outlets
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Laso Water Pump; With 2 Outlets | 1122001501LA

Mercedes E320, SL500, ML350, S500, ML320, C280, E500, CLK320, C240, S430 & more
$115.99
Reg
$120.82
List
$187.44
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Make Sure It Fits

P/N: 1122001501LA Laso FREE SHIPPING
Description:
With 2 Outlets
Please verify existing part has only 2 hose connections prior to ordering. This unit does not have a hose nipple for engine oil cooler hose, cannot be used on models with oil cooler mounted at oil flter housing. 1 per car.
Cross References:
  • 1122001501
  • 2020.0175

The engine water pump on your Mercedes circulates a mixture of water and engine coolant throughout the engine to maintain an optimal operating temperature. When the engine exceeds its optimal operating temperature, the engine water pump pumps the water and coolant mixture into the radiator to bring down the engine temperature.

If the engine water pump fails on your Mercedes, the water and coolant mixture will not be able to circulate through the engine to maintain optimal temperature. In some cases, the pump can leak allowing the water and coolant mixture to drip or pour from the engine causing the engine to quickly overheat. On newer vehicles with electric engine water pumps, a failed pump can cause the vehicle to enter limp home mode, only allowing the vehicle to reach a maximum speed of 25 MPH to prevent the engine from overheating.

Signs of a Faulty Water Pump
  • Coolant leaking under your Mercedes
  • Engine overheating
  • Whining or grinding noises from your engine
  • Check engine light on with a water pump fault

Belt run water pumps may also cause other accessories to stop working when the pump fails as it can cause the belts to jump off the pulleys.

Replacing Your Mercedes Water Pump
Generally water pumps are only replaced when they fail. However, due to how difficult it is to access some water pumps, to prevent failure it is recommended to replace timing belt driven water pumps during the replacement of the timing belt and timing chain.

Replacing your Mercedes water pump can be very extensive depending on where it is mounted on the engine. Due to this, it is recommended to replace any connecting hoses, the thermostat, timing belt and tensioner if applicable, timing chain with guides and tensioner if applicable, as well as any other seals or hoses that need to be removed to access the water pump.

View more Mercedes Water Pumps.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Frequently Viewed Together

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What This Laso Water Pump Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Mercedes
01-05 - C240 Base, 4Matic
98-00 - C280
01-05 - C320 Base, 4Matic
98-06 - CL500
01-02 - CL55 AMG
00-04 - CLK320
98-99 - CLK320
For models with engine serial number from 30-033141.
05-05 - CLK320
per MB - some vehicles may have water pump with oil cooler fitting, in that case order part number 112 200 14 01 w/o Oil Cooler Hose Fitting
99-03 - CLK430
03-06 - CLK500
06-06 - CLS500
00-05 - E320 Base, 4Matic
98-00 - E320 Base, 4Matic
For models with engine serial number from 30-033141.
05-05 - E320 Base, CDI
M112.949 per MB - some vehicles may have water pump with oil cooler fitting, in that case order part number 112 200 14 01 w/o Oil Cooler Hose Fitting; Fuel Type: GAS
98-02 - E430 Base, 4Matic
00-00 - E430 4Matic
For models with engine serial number from 30-033141.
03-06 - E500 Base, 4Matic
02-08 - G500
98-03 - ML320