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The Crankshaft is a part of your engine which converts the linear motion of the pistons into rotary motion. The crankshaft does this by means of bearings called crankpins whose axis is slightly offset from that of the crankshaft. The piston connecting rods are attached to the crankpins. The distance between the axis of the crankshaft and that of the crankpins determines the piston stroke distance. The crankshaft is also connected to a flywheel on one end, which dampens the intermittent torque supplied by the rotating crankshaft.
The crankshaft is fitted with several replaceable bearings along its length to overcome the load exerted by the cylinders. The number and position of the pistons in relation to the crankshaft determines the configuration of the engine: straight, flat or V. Some crankshafts are also fitted with additional counterweights to balance out the load exerted by the connecting rods and pistons. The crankshaft assembly is housed within a cast-iron or cast-aluminum enclosure called the crankcase, which is located just below the cylinder block.
Owing to their function, crankshafts are made to be rigid and compact with the ability to withstand high torsional loads and impacts. As such, the crankshaft is subject to failure when any of its components crack or get worn out due to the various forces and impacts which act on them. The surface of crank-pin journals and the crankshaft can become warped or bent due to lack of lubrication, over-speeding, and improper bearing alignment. At Buy Auto Parts we stock a wide variety of crankshafts for every car make and model.
We have genuine OEM replacements and premium aftermarket parts. All our car parts are thoroughly tested and come with a warranty. To view the parts that fit your vehicle, select the right year, make and model of your car on our online catalog. At Buy Auto Parts you will find high-quality crankshafts at unbeatable prices, and free shipping. If you have any questions about our car parts, call our toll-free support line or email us at [email protected].