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Between the suspension mounting points, the Meritor Suspension Shock Absorber controls motion by resisting the up-and-down travel that follows bumps, dips, and shifting road inputs. Its job is to moderate how quickly the suspension settles after movement, which helps support a steadier ride feel across longer distances and changing surfaces. In heavy-duty applications, that damping function matters because the suspension sees repeated cycling under load, and the shock absorber is one of the key components responsible for managing that activity. When the original unit no longer handles motion the way it should, replacing it restores that damping role at the connection point. The Meritor M85734 is the shock absorber used in that suspension position.
| Bore (in.) | 1.63 in. |
| Bore (MM) | 41 mm |
| Brand | Meritor |
| Collapsed Length (in.) | 13.71 in. |
| Collapsed Length (mm) | 348.2 mm |
| Extended Length (in.) | 20.74 in. |
| Stroke | 178.6 mm |
| Stroke Inch | 7.03 in. |
| Weight | 9.06 |
| Compressed Length | 13.71 in. |
| Extended Length | 20.74 in. |
| Shock Stroke | 178.6 mm |
| Shock Absorber Bore Size | 1.63 in. |
| Brand | Part Number |
|---|---|
| 1267120B000, S4025B, TDAM85734 | |
| AUTOMANN | A87001 |
| Automann | A85734 |
| BLUEBIRD | 0961284, 30009612284, 961284, A4890 |
| BLUEBIRD SCHOOL BUS | 305-0961284, 90-1951-SP1, 300-09612284, 87001-01A |
| CHEVROLET TRUCK (ALSO SEE GMC TRUCK) | 3178233, 5357956, 5361994 |
| CROWN COACH | 5532036 |
| DAYTON PARTS BATCO | M74406 |
| FLEXIBLE BUS | 40334, 60510 |
| FLXIBLE BUS | 6-05-10 |
| Fleetrite | AMS700407 |
| GABRIEL | 85734, 87001 |
| GENERAL MOTORS CORP. | 3178233, 5357956, 5361994 |
| GMC TRUCK | 3178233, 5357956, 5361994 |
| HALDEX | SA74406 |
| INTERNATIONAL (NAVISTAR) | 350426C91, 350426C1, 534464C1 |
| International | 350426C1, 534464C1, 350426C91 |
| KONI | 90-1951-SP1, 901951SP1 |
| MONROE | 74438, 74406 |
| MOTORCRAFT | CAHL-406 |
| Monroe Shocks & Struts | 74438 |
| Motorcraft | CAHL406 |
| NEWAY | AR995 |
| ORION BUS INDUSTRIES | A4890 |
| OSHKOSH MOTORS | 12405F, 5361994 |
| Oshkosh | 12405F, 5361994 |
| RIDEWELL | S4025B |
| RIDEWELL CORPORATION | CORPORATION |
| Ridewell Corp | S4025B |
| SAF-HOLLAND | AR-995 |
| SPARTAN MOTORS | AS 4025B, AS4025B |
| VOLVO | 646220 |
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