1032003701 Graf Water Pump
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Graf Water Pump | 1032003701

Mercedes 190E, 300E, 300CE, 300SE, 300SEL, 300TE, 260E
$109.99
Reg
$114.57
List
$246.00
In Stock Status
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Make Sure It Fits

P/N: 1032003701 Graf OEM FREE SHIPPING
Description:
Also may need 0119972448 and 0129975148 pipe o-ring seals, as well as 1032001452 pipe and 1245013382 lower hose. 1 per car.
Cross References:
  • 1032000401
  • 1032000701
  • 1032001601
  • 1032001701
  • 1032002001
  • 1032002601
  • 1032002601LA
  • 103200370188
  • 1032003701A
  • 1032003701LA
  • 20200131
  • PA449
  • W01331603989
Part Details:
  • Original equipment Graf PA449 replacement water gaskets
  • Circulates engine coolant throughout the engine, cooling system, and HVAC heating system to maintain an optimal engine temperature and warm the passenger compartment
  • (1) per vehicle
  • Replaces failed water pumps with worn or seized bearings or with broken impellers that prevent engine coolant from being circulated
  • Located on the left side of the engine block and turned by the serpentine belt on Mercedes M103 L6 engines
  • Fits Mercedes 190E 2.6L 1987-1993, 260E 1987-1989, 300CE 1988-1989, 300E 1986-1992, 300E 4Matic 1993, 300SE 1988-1991, 300SEL 1988-1991, 300TE 1988-1992, and 300TE 4Matic 1993

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.

The Graf water pump company has been around for nearly 100 years. Now a division of the Metelli Group, they continue to excel at supplying OE quality or higher replacement water pumps to the automotive aftermarket. With high quality bearings, impellers and pulleys meant to withstand high belt tensions, a Graf is built to last. All units are built to be direct replacements for your OEM water pump and in many cases include an improved design to eliminate OEM design flaws to give your engine even better coolant flow for years to come.
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 Graf 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
87-93 - 190E 2.6
89-89 - 260E
87-88 - 260E
For models with engine serial number from 10-01691 (M/T) and 12-108231 (A/T). Also need 1032001452 pipe and 1245013382 hose for models before engine serial number splits if original pump on engine.
89-89 - 300CE
88-88 - 300CE
For models with engine serial number from 10-018294 (M/T) and 12-268716 (A/T). Also need 1032001452 pipe and 1245013382 hose for models before engine serial number splits if original pump on engine.
89-92 - 300E Base, 2.6
90-93 - 300E 4Matic
For models with automatic tranmission.
86-88 - 300E
For models with engine serial number from 10-018294 (M/T) and 12-268716 (A/T). Also need 1032001452 pipe and 1245013382 hose for models before engine serial number splits if original pump on engine.
89-91 - 300SE
88-88 - 300SE
For models with engine serial number from 043681. Also need 1032001452 pipe and 1245013382 hose for models before engine serial number splits if original pump on engine.
89-91 - 300SEL
88-88 - 300SEL
For models with engine serial number from 043681. Also need 1032001452 pipe and 1245013382 hose for models before engine serial number splits if original pump on engine.
89-91 - 300TE
90-93 - 300TE 4Matic
For models with automatic tranmission.
88-88 - 300TE
For models with engine serial number from 10-018293 (M/T) and 12-094339 (A/T). Also need 1032001452 pipe and 1245013382 hose for models before engine serial number splits if original pump on engine.