Description
Heavy-duty rear shock absorber that replaces Gabriel 85006 on Freightliner FC70, FC80, FL50/60/70/80 and Western Star 5800, 5900, 6900 with Hendrickson rear air suspension. The 22.5 in extended length and 41.3 mm bore valving are matched to the Hendrickson rear-axle ride profile and motorhome Comfort Air mounts.
Signs You Need a New Shock Absorber
- Bouncy, harsh, or uncontrolled ride from the rear of the truck
- Visible oil leakage on the shock body
- Cupped or scalloped tire wear from suspension oscillation
- Excessive cab/chassis sway in turns or under braking
- Bottoming out on bumps or load transitions
Specifications
| Manufacturer | Predator HD Parts |
|---|---|
| Replaces | Gabriel 85006 |
| Part Type | Heavy-Duty Shock Absorber – Rear |
| Length (Extended) | 22.50 in (723.9 mm) |
| Length (Compressed) | 434.1 mm |
| Stroke | 289.8 mm |
| Bore Diameter | 41.3 mm |
| Mount Width | 3.2 in |
| Mount Height | 3.35 in |
| Vehicle Compatibility | Freightliner FL/FC, Western Star 5800/5900/6900, Ford F-53/F-59 motorhome chassis |
Cross References
This part replaces or is equivalent to the following part numbers:
- Gabriel: 85006, 85006-RC, 85006C8T, S 85006
- MAE: 66120, 65505, 65482, 65111 (and F-, 543-prefixed variants)
- Also known as: ZX101654139, MPGS-28634, ATX28634, GTP85006, S-28634, ATP28634, 28634SS, 66120M0R, 65505M0R, 65482M0R, 65111M0R, VIP85006, 85006HTP, GTS28634, PS85006, TF 85006
Applications
This shock absorber fits the following vehicles with Hendrickson rear suspension:
- Freightliner FC70, FC80, FL50, FL60, FL70, FL80
- Western Star 5800, 5900, 6900
- Motorhomes built on Ford F-53 / F-59 chassis with Hendrickson Comfort Air rear suspension
Verify your suspension mount style and shock dimensions before ordering to confirm fitment.









