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Mopar 4781157AA Engine Cooling Water Pump

2001-2005 Mopar 4781157AA

Customer Questions & Expert Answers (4)
4781157AA Mopar Engine Cooling Water Pump Illustration 1 of 1
4781157AA Mopar Engine Cooling Water Pump Illustration 1 of 1
  • Part Description
    Pump-Water
  • Manufacturer
    Mopar
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • 4781157AA Engine Cooling Water Pump is Ref No. 3 in the diagram below

    2002 Dodge Grand Caravan Engine Cooling Water Pump Diagram for 4781157AA
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts

  • Product Specifications

    BrandGenuine Mopar
    Manufacturer Part Number4781157AA
    Part DescriptionPump-Water
    Item Dimensions5.9 x 5.8 x 5.1 inches
    Item Weight2.20 Pounds
    ConditionNew
    ManufacturerMopar
    SKU4781157AA
    WarrantyThis genuine Mopar part is guaranteed by Mopar's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2001-2005 Chrysler Town & Country6 Cyl 3.3L, 6 Cyl 3.8LBase, EL, EX, Limited AWD, Limited FWD, LX AWD, LX FWD, LXi AWD, LXi FWD, Touring AWD, Touring FWD
    2001-2003 Chrysler Voyager6 Cyl 3.3LBase, LX
    2001-2005 Dodge Caravan6 Cyl 3.3LC/V, SE, Sport, SXT
    2001-2005 Dodge Grand Caravan6 Cyl 3.3L, 6 Cyl 3.8LC/V, EL, ES AWD, ES FWD, EX, SE, Sport AWD, Sport FWD, SXT AWD, SXT FWD

  • Customer Questions & Expert Answers

    Q:
    Is this part guaranteed to fit my truck ? Posted by MoparPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 4781157AA fits your vehicle.
    Posted by MoparPartsGiant Specialist
    Installation and Repair Tips
    Q:
    What are the steps to replace the Water Pump on a 2004 Dodge Caravan with a V6 engine? Posted by Customer
    A:
    To replace the water pump on a vehicle with a V6 engine, follow these steps, loosen the water pump pulley bolts.Remove the drivebelt.Remove the pulley bolts and position the pulley to access the water pump mounting bolts.Remove the water pump and pulley together by rotating and moving the pulley inward between the pump housing and the hub.Clean the bolt threads and threaded holes in the timing case cover to remove corrosion and sealant.Remove the old seal and clean the mating surfaces.Install a new O-ring seal in the groove on the water pump body and use RTV sealant to hold it in place during installation.Position the water pump pulley loosely between the pump housing and drive hub.Install the water pump mounting bolts and tighten them to the specified torque. Avoid over-tightening.Position the pulley onto the drive hub and install the mounting bolts finger-tight.Install the drivebelt and tighten the pulley bolts to the specified torque. Avoid over-tightening. Position the pulley onto the drive hub and install the mounting bolts finger-tight. Install the drivebelt and tighten the pulley bolts to the specified torque. The remaining steps of installation involve reversing the removal process. Refill and bleed the cooling system after completing the installation. Run the engine and check for leaks and proper operation.
    Posted by MoparPartsGiant Specialist
    Q:
    How can you be sure that a Water Pump needs replacement for the 2003 Chrysler Town & Country? Posted by Customer
    A:
    The only way to be sure is to remove the pump and closely examine it for a loose or corroded impeller, a leaking shaft seal, or a worn shaft bearing.
    Posted by MoparPartsGiant Specialist
    Q:
    How can the operation of the Water Pump be checked while it is installed on the engine for the 2005 Dodge Grand Caravan? Posted by Customer
    A:
    There are two ways to check the operation of the water pump while it's installed on the engine. If the pump is defective, it should be replaced with a new or rebuilt unit. Water pumps are equipped with weep or vent holes. If a failure occurs in the pump seal, coolant will leak from the hole. In most cases, you'll need a flashlight to find the hole on the water pump from underneath to check for leaks. If the water pump shaft bearings fail, there may be a howling sound at the front of the engine while it's running. With the engine off, shaft wear can be felt if the water pump pulley is rocked up-and-down.
    Posted by MoparPartsGiant Specialist
    See Complete Installation and Repair Tips

Genuine Mopar Part 4781157AA, the Right Choice

To ensure reliability, purchase Mopar part # 4781157AA Engine Cooling Water Pump. It is sometimes referred to as Water Pump. The OEM parts should be used when the Mopar owners want to maximize their driving experience. The high-tech factories that produce these parts utilize sophisticated technology specifically designed to meet stringent factory requirements. Additionally, they are thoroughly tested and can thus be used with reliability by Mopar owners. This part fits specific Chrysler Town & Country and Voyager models. It fits Dodge Caravan, Grand Caravan.

MoparPartsGiant.com is a leading supplier of genuine Mopar parts and accessories such as 4781157AA Engine Cooling Water Pump. Wondering where to find exceptional quality and affordable OEM Mopar parts? You have already come to the right place. Our website boasts a huge selection of genuine Mopar parts at attractive prices. Further, all parts come with a manufacturer's warranty. For detailed Dodge parts information, click here.

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