| Product Line | Suspension |
| Category Name | Chassis & Suspension |
| Part Type | Front Leaf Spring |
| Alternate Part Name | Spring Assembly, Rear Spring, Leaf Spring Assembly, Rear Spring Assembly |
| OEM Part Number | 2QK3377 |
| Application Type | Heavy Duty Trucks, Semi-Trucks |
| Mounting Position | Front Suspension |
| Material | Steel |
| Leaf Pack Thickness (D) | 6-1/2 in. |
| Leaf Spring Count | 13 |
| Leaf Width | 3 1/2 in. |
| Length (A) | 25-1/8 in. |
| Length (B) | 30-1/2 in. |
| Spring Arch Length (C) | 5 in. |
| Spring Load Capacity | 9.200 lb. |
| Net Weight | 215 lb. |
| Cross References | 2QK3377, 62-808, 62-890, 62808, 62890, 750822, MAK2QK3377, SRE62-890, SRE62890, 25060652, 2QK3323, 62-8901, 628901 |
| Intended Application | - Compatible with Mack front axle suspension applications including B8, DM, DMM, FDM, HMM, LE, LEU, LR, MB, MR, MRU, RD8, RM, and Terrapro models; designed for front leaf spring configurations utilizing an eye-to-slipper design with integrated bushing, featuring a 13-leaf spring pack rated at approximately 9,200 lbs capacity.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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