Keep the driveshaft spinning smoothly and quietly with the Timken Drive Shaft Center Support Bearing HB88508A. Mounted in the rear position, it supports and locates the driveshaft between its sections while its rubber cushion isolates vibration for a smoother, quieter drive. It's a direct-fit replacement for a wide range of Chevrolet and Ford trucks and vans — 1969-1974 CHEVROLET BLAZER [All], 1988-1998 CHEVROLET C1500 [All], 1988-2000 CHEVROLET K3500 [All], 1973-1983 FORD E-100 ECONOLINE [All], 2005-2016 FORD E-350 SUPER DUTY [All], and 130 more applications — see the Buyer's Guide tab for the full list.
Key specs: bearing inside diameter 1.575 in (40.00 mm), bearing outside diameter 4.909 in (124.68 mm), width 1.968 in (49.99 mm), bore centerline height 2.250 in (57.15 mm).
Interchange: 1700936A · 1700946 · 1700946A · HB88526 · Manufacturer part number HB88508A
This part cross-references / interchanges with the following part numbers:
What does a drive shaft center support bearing do?
It supports and locates the driveshaft between its sections, letting it rotate freely while the rubber cushion absorbs and isolates vibration for a smoother, quieter drive.
What position is this bearing for?
This HB88508A is cataloged for the rear position. Confirm fitment for your vehicle using the Buyer's Guide tab.
What are the signs this support bearing may need replacing?
Common signs include vibration through the floor, a rumble or growl that changes with speed, and clunking during acceleration or shifting from worn or cracked rubber.
Which vehicles does the HB88508A fit?
It fits many Chevrolet and Ford trucks and vans, including the Blazer, C1500, K3500 and E-Series Econoline. See the Buyer's Guide tab for all 135 applications.
What numbers does this bearing interchange with?
It replaces interchange numbers 1700936A, 1700946, 1700946A and HB88526. Its own manufacturer part number is HB88508A.
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.
