Crankshafts & Components

The crankshaft turns the reciprocating motion of the pistons and connecting rods into the rotational motion that turns the transmission gears, axle shafts, and ultimately the wheels. The crankshaft turns on its axis in the cylinder block. The connecting rods are attached to offset crank throws, which enable the conversion of motion. Cast iron is commonly used to make low output engine crankshafts, while forged steel is needed for high horsepower motors.

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    • (0 reviews)
      # mpn4522746763
      Crankshaft by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas running out...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3,177.28
    • (0 reviews)
      # sp127624
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $297.14 - $5,201.48
    • (0 reviews)
      # sp16381
      Crankshaft by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $429.33
    • (0 reviews)
      # sp136471
      Crankshaft by Motorcraft®. Designed utilizing the latest technology, this product by Motorcraft features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $1,113.78 - $1,220.02
    • (0 reviews)
      # mpn4495597954
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $443.96
    • (0 reviews)
      # mpn4495599121
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $615.53
    • (0 reviews)
      # mpn4495600795
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $594.16
    • (0 reviews)
      # mpn4495598683
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $1,820.45
    • (0 reviews)
      # mpn4495601619
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $787.76
    • (0 reviews)
      # mpn4495600399
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $695.64
    • (0 reviews)
      # mpn4495601005
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $658.25
    • (0 reviews)
      # mpn4495599895
      Crankshaft Kit by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $362.40
    • (0 reviews)
      # mpn4495598848
      Crankshaft Kit by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $630.21
    • (0 reviews)
      # mpn4495600823
      Remanufactured Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $566.12
    • (0 reviews)
      # mpn4495598815
      Remanufactured Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $5,201.48
    • (0 reviews)
      # mpn4495598854
      Remanufactured Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $763.73
    • (0 reviews)
      # mpn1011868
      Crankshaft by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $429.33
    • (0 reviews)
      # mpn4546807399
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $2,255.22
    • (0 reviews)
      # mpn4495597315
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $607.56
    • (0 reviews)
      # mpn4495600974
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $1,271.47
    • (0 reviews)
      # mpn4495601486
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $572.80
    • (0 reviews)
      # mpn4495600690
      Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $1,662.73
    • (0 reviews)
      # mpn4495602762
      Remanufactured Crankshaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $297.14
    • (0 reviews)
      # mpn4495602622
      Remanufactured Crankshaft Kit by Motorcraft®. Designed utilizing the latest technology, this product by Motorcraft features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $1,220.02
    • (0 reviews)
      # mpn4495602709
      Remanufactured Crankshaft Kit by Motorcraft®. Designed utilizing the latest technology, this product by Motorcraft features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $1,113.78
    • (0 reviews)
      # mpn4495600745
      Crankshaft (68054213AA) by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $1,647.99
    • (0 reviews)
      # mpn4495600549
      Crankshaft (68147110AB) by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Marine oil pan gasket setApplication-specific design for a perfect fit
      $1,253.16


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    Bearing journals are machined on the crankshaft so it can be supported in the cylinder block and to attach the big ends of the connecting rods to the crank throws. The crankshaft rotates in the block on plain bearings supported by a thin film of pressurized oil, and the rods are supported in the same manner on the crank throw rod journals. Most crankshafts have counterweights to offset the mass of the piston and rod assemblies and maintain engine balance.

    A flywheel is mounted at the rear end of the crankshaft to smooth power flow, and provide a mounting surface for the clutch assembly. On vehicles with automatic transmission a flexplate is used in place of the flywheel to which the torque converter is attached. Both flywheels and flexplates have teeth around their circumference where the starter drive engages. A vibration damper, also called a harmonic balancer, is mounted on the front of the crankshaft to dampen the torsional distortion created in the crankshaft during engine operation. Accessory drive pulleys are usually attached to the vibration damper.

    Crankshafts are stout, precision made components that with normal vehicle maintenance and use, should last the life of the vehicle. However, lax maintenance can result in dirt getting between the crank journals and bearings, or reduced oil flow, either of which can result in scored journals, increased clearance, metal-to-metal contact and engine knock. In such cases, the most economical repair with the least vehicle down time can usually be achieved with a crank kit, which includes a fully machined crankshaft and replacement bearings.

    Oil leaks at the rear main seal are another common crankshaft malady. We have replacement seals and seal kits for all popular vehicles, but in cases of extreme wear the crankshaft seal contact surface can become grooved, making a replacement seal ineffective. However, there’s no need to completely replace the crankshaft if the sealing surface is marred. On our digital shelves you’ll find easy to install repair sleeves that are a press fit onto the crankshaft, creating a smooth surface for effective sealing and oil control.

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    Crankshafts Reviews

    Average rating:  4.5  4.5 - 8 reviews
    4.8 of 5
    Forged Crankshaft
    The crank is good but the journals where undersized. I Had some problems installing Bearings, but it fitted perfect after all. I recommend to measure rod journals before ordering bearings.
    Posted by Joseph Noble (Henderson, NV) / November 9, 20152012 Ford F-150
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