| Product Line | Chassis & Suspension |
| Category Name | Shock Absorbers |
| Part Type | Rear Shock Absorber |
| Alternate Part Name | Shock Absorber, Gas Shock Absorber, Suspension Shock, Axle Shock |
| OEM Part Number | 89408 |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Mounting Position | Front Axle |
| Material | Steel |
| Body Diameter | 2.38 in. |
| Dust Tube | Yes |
| Collapsed Length | 12.90 in. |
| Compression | 201 lb. |
| Extended Length | 19.68 in. |
| Rebound | 536 lb. |
| Recoil Cutoff | No |
| Net Weight | 6.90 lb. |
| Cross References | 02-02737-2, 02-02742, 02-02742-2, 0202737, 02027372, 0202742, 02027422, 3919932, 665655, 665928, 680261, 680261-2, 6802612, 83176224, 85062, 89408, A89408, B71-6007, B716007, B716011, M89408, RC SA5062, SA5062 |
| Intended Application | - Compatible with the front axle of most Peterbilt models with Set Forward Front Axle (SFFA) and taperleaf suspension. Covers the 320, 357, 365, 367, 37x, 38x, 520, 567, 579, and 587 series. This shock absorber is suitable for a wide range of axle capacities, from 12,000 lb to 23,000 lb.
- Compatible with the front axle of Kenworth heavy-duty and vocational trucks with the Forward Front Axle (SFFA) and tapered leaf spring suspension. Key models include the T880, the W900 series (including W900B/L/S), and the W990. Designed for high-capacity front axle configurations, in the 18,000 lb to 23,000 lb range.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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