| Product Line | Suspension |
| Category Name | Air Springs and Bags |
| Part Type | Rolling Lobe Air Spring |
| Alternate Part Name | Suspension Air Bag, Air Bag Suspension, Air Ride Spring, Pneumatic Spring, Reversible Sleeve Air Spring, Rolling Lobe Air Spring, Trailer Air Spring Bag, Air Suspension Bag |
| OEM Part Number | S-34733 |
| Application Type | Heavy Duty Trucks, Semi-Trucks |
| VMRS | 016-008-000 |
| Material | Fiber reinforced rubber bellows |
| Air Inlet Inside Thread | 1/4-18 NPT |
| Air Inlet Outside Thread | 3/4-16 UNF |
| Body Diameter | 10 in. |
| Bottom Plate Alignment | Parallel |
| Bottom Plate Diameter | 7.90 in. |
| Bottom Plate Stud | 1/2-13 UNC |
| Mounting Stud Configuration - Bottom | 1 |
| Mounting Stud Configuration - Top | 2 |
| Piston Height | 7.90 in. |
| Piston Material Type | Composite |
| Top Plate Diameter | 9 in. |
| Top Plate Stud | 3/4-16 UNF |
| Air Spring Type | Rolling Lobe |
| Collapsed Length | 6.10 in. |
| Extended Length | 19.80 in. |
| Net Weight | 17.20 lb. |
| Cross References | S34733, S-34733, 356-S34733, 356S34733, C-34733, C34733, S-34733, S-34733-56, S34733, S3473356, TR34733 |
| Intended Application | - Compatible with Hendrickson ULTRAA-K 40K heavy-duty trailer suspensions as a direct replacement for Hendrickson part number S-34733. This reversible sleeve airbag absorbs ground shocks, reduces mechanical noise, and maintains a level chassis height while transporting loads.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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