Make sure this part fits

Mercury F4ZZ-6303-ARM Crankshaft Assembly

1993 Mercury Cougar F4ZZ6303ARM

Customer Questions & Expert Answers (4)
Ford F4ZZ-6303-ARM Crankshaft Assembly
  • Part Description
    Crankshaft Assy
  • Base No.
    6303
  • Manufacturer
    Ford
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Mercury
    Base No.6303
    Manufacturer Part NumberF4ZZ-6303-ARM, F4ZZ6303ARM
    Part DescriptionCrankshaft Assy
    Other NamesCrankshaft, Crankshaft Gear
    Manufacturer NoteService only kit,.020" U/S
    Item Weight0.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUF4ZZ-6303-ARM
    WarrantyThis genuine Ford part is guaranteed by Ford's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1993 Mercury Cougar8 Cyl 5.0L4AT AOD
  • Customer Questions & Expert Answers

    Q:
    Is the the correct part for the attached VIN? Posted by FordPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if F4ZZ-6303-ARM fits your vehicle.
    Posted by FordPartsGiant Specialist
    Q:
    How to remove the crankshaft on Lincoln Mark VII? Posted by Customer
    A:
    Inspect the endplay using a dial indicator or feeler gauges before taking out the crankshaft. If the endplay is more than the limit, then check for wear on crankshaft thrust surfaces. If necessary, label and number main bearing caps. On OHV engines begin from the center and loosen main bearing cap bolts gradually. In order to take off the crankshaft in OHC engines, follow this exact process. Replace main bearing cap bolts and lift out the crankshaft gently. Put back the caps in their original positions on the engine block and finger tighten their bolts.
    Posted by FordPartsGiant Specialist
    Q:
    How to install a crankshaft on Lincoln Mark VII? Posted by Customer
    A:
    Crankshaft installation is the first step in engine reassembly. The engine is flipped upside down, main bearing caps are removed, and new bearing inserts are placed. The crankshaft is carefully positioned and oil clearance is checked. The caps are installed and torqued in three steps. Grease is applied to the bearing surfaces and the crankshaft is placed back into the block. Crankshaft rotation and endplay are checked. For OHC engines, jack screws are used and the rear main oil seal is installed.
    Posted by FordPartsGiant Specialist
    Q:
    How can the condition of the crankshaft journals be determined for the 1990 Lincoln Mark VII? Posted by Customer
    A:
    Rub a penny across each journal. If copper rubs off and is embedded in the crankshaft, the journals should be reground.
    Posted by FordPartsGiant Specialist
    See expert answers on similar Crankshaft
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Genuine Ford Part F4ZZ-6303-ARM, the Right Choice

To ensure reliability, purchase Ford part # F4ZZ-6303-ARM Crankshaft Assembly. It is sometimes referred to as Mercury Crankshaft. In terms of quality and longevity, OEM parts are top-tier. This is because they are made according to Ford's demanding factory specifications and go through strict quality control. This part fits specific Mercury Cougar models.

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