Keep axle and driveline shafts turning smoothly under load with the Schaeffler tapered roller bearing cone, part number K387-A-S. It is listed as a differential bearing, a transfer case output shaft bearing and a wheel bearing. It is a direct-fit replacement for the listed applications, including the 1969-1972 Chevrolet C10 Pickup, 1988-2000 Chevrolet C2500, 1996-2019 Chevrolet Express 2500, 2001-2012 Chevrolet Silverado 2500 HD, 2001-2013 GMC Sierra 2500 HD, 2003-2010 Dodge Ram 2500 and 2013-2020 Ford F-250 Super Duty. See the Buyer's Guide tab for the full list of 162 applications and engine details.
Schaeffler's tapered roller bearings pair strong performance with a compact form for a wide range of automotive and industrial uses. The company produces more than 100 million of them every year.
Position: Depending on the application, it is cataloged for the rear, front outer, front inner, rear outer or rear inner position. The Buyer's Guide tab shows the position for each vehicle.
Signs this bearing may need replacing: a growl, hum or rumble that changes with road speed, looseness or play, or excess heat at the hub or differential. If a worn bearing is the cause, this cone replaces it. Follow the vehicle service procedure for installation, adjustment and lubrication.
Interchange: F81Z-1244-BA · 387-AS VP · 401052.770
9436882 · NB387AS · F81Z1244BA · 387ASVP · 401052770
This part cross-references / interchanges with the following part numbers:
What vehicles does the Schaeffler K387-A-S fit?
It is a direct-fit replacement for the listed applications, including the 1996-2019 Chevrolet Express 2500, 2003-2010 Dodge Ram 2500 and 2013-2020 Ford F-250 Super Duty. See the Buyer's Guide tab for all 162.
What type of bearing is K387-A-S?
It is a Schaeffler tapered roller bearing cone. It is designed to handle high radial and axial loads in differential, transfer case output shaft and wheel bearing applications.
Which position does this bearing install in?
Depending on the vehicle, it is cataloged for the rear, front outer, front inner, rear outer or rear inner position. The Buyer's Guide tab lists the position for each application.
What are signs this bearing may need replacing?
Signs include a growl or hum that changes with speed, play, or excess heat. Other parts can cause similar symptoms, so diagnose the cause before replacing the bearing.
What part numbers does K387-A-S interchange with?
It interchanges with F81Z-1244-BA, 387-AS VP, 401052.770, 9436882 and NB387AS.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
