| Product Line | Suspension |
| Category Name | Chassis & Suspension |
| Part Type | Rear Leaf Spring |
| Alternate Part Name | Leaf Spring Assembly, Spring Assembly, Rear Spring Assembly, Rear Spring |
| OEM Part Number | 4QK4005A |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Mounting Position | Rear Suspension |
| Material | Steel |
| Leaf Pack Thickness (D) | 9-3/8 in. |
| Leaf Spring Count | 10 |
| Leaf Width | 4 in. |
| Length (A) | 28-5/16 in. |
| Length (B) | 25-15/16 in. |
| Spring Arch Length (C) | 6-13-16 in. |
| Spring Load Capacity | 44.000 lb. |
| Net Weight | 342 lb. |
| Cross References | 25192116, 4000-81580, 400081580, 4QK4005A, 62147, 62147A, 750860, 81580, SRE62-147, SRE62147 |
| Intended Application | - Compatible with Mack rear axle applications equipped with Camelback multi-leaf spring suspensions utilizing 4-inch wide spring assemblies and 50-inch axle spacing; with an approximate suspension capacity of 38,000 to 44,000 lb, interchangeable with OEM SRI 62-147 cross-reference leaf springs and equivalents.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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