Kysor-style ON/OFF rear air fan clutch assemblies are two-piece systems. The first piece is the Fan Hub, which consists of an assembled pulley and mounting bracket. The second piece is the Fan Clutch, which turns on and off as needed to cool the engine.
Part number 1093-XXXXX-XX refers to an entire BorgWarner-Style fan clutch assembly. It is for reference purposes only and not available for ordering.
Most part numbers start with 1077, 1093 or 1090, but some newer hubs and assemblies start with 0100.
The most common cause of failure on a Kysor-style hub is bearing failure. Kit Masters requires that the hub bearings be replaced whenever the fan clutch is repaired or replaced.
Often times, hub bearing failure leads to fan clutch failure. In these cases, replacing or repairing your fan clutch without replacing the hub bearings will damage your fan clutch and cause it to fail again.
Always replace your hub bearings when repairing or replacing your Kysor-style fan clutch.
To determine which bearing kit you need, do one of the following:
There are five different hub bearing kits for Kysor/BorgWarner-style fan clutches. Kit Masters provides all five kits.
The entire fan clutch assembly part number is usually on a sticker on the mounting bracket or on the pulley. If the sticker is missing, we may be able to identify which fan hub assembly you have based on the casting number on the mounting bracket. For more information regarding Kysor-style fan clutch identification, click here.
This is caused by pulley bearing failure. Replace the pulley bearings. You may need to replace the seals in your fan clutch as well. A new black coupler will come in both the fan clutch seal kit and the bearing kit.
Simply click here to identify which Kysor-style fan clutch you have.
Simply click here to identify which rebuild kit to use for your Kysor-style fan clutch.
Yes. To maintain your product warranty, whenever you replace a Kysor-style fan clutch you must also replace the pulley bearings. Quite often, the pulley bearings are what caused the old fan clutch to fail in the first place. Replacing the fan clutch without replacing the pulley bearings will most likely cause the new fan clutch to fail as well.