
Size: 463mm
Keep your Prevost® running smoothly with high-quality replacement driveshafts built to meet or exceed OEM specifications. Designed as a direct OEM replacement for 557059 and 550989 Prevost® Driveshaft.
1 Year/100,000 Mile Warranty
Designed for durability and balance, these driveshafts deliver smooth power transfer and reduced vibration for a quieter, more comfortable ride.
Each driveshaft is engineered for exact compatibility with Prevost® bus applications, ensuring easy installation and dependable performance mile after mile. Built with heavy-duty materials and precision-balanced components, they’re made to handle the rigorous demands of commercial and long-distance travel.


OEM-Quality Fit: Designed specifically for Prevost buses for easy, direct replacement.
Heavy-Duty Construction: Built to withstand the torque and load demands of large motorcoaches.
Precision-Balanced: Minimizes vibration and maximizes driveline performance.
Corrosion-Resistant Finish: Protects against wear, extending service life.
Ready to Install: Pre-assembled and tested for fast, trouble-free installation.
557059, 550989, KMN20950989, KM N20 950989, FLT950989, KMI950989, 3443-950989,
California Residents: Prop 65 Warning
You are purchasing a Kysor-style fan clutch. When replacing a Kysor-style fan clutch, you must always replace the hub (pulley) bearings at the same time. Failure to do so will void the warranty on your fan clutch.
To determine the required bearing kit for your hub, enter the hub part number in the search field below, find the part number of the bearing kit you need on the dropdown below, or click on the 'Learn More' link below.
I don't want to purchase a hub bearing kit at this time.
Failure to install new hub bearings with your clutch will void your warranty.
This product includes a core charge. You may pre-pay for the freight to return your core during the checkout process, or ship using your own method. Core returns must be received by Kit Masters within 30 days of purchase.
Would you like to pre-pay for the return freight?