62143 Leaf Spring for Mack Camel Back Rear Suspension - Replaces 4QK4004ASpecifications Product Line: Suspension Category Name: Chassis & Suspension Part Type: Rear Leaf Spring Alternate Part Name: Spring Assembly, Leaf Spring Assembly, Rear Spring Assembly, Rear Spring OEM Part Number: 4QK4004A Application Type: Semi Trucks, Heavy Duty Trucks Mounting Position: Rear Suspension Material: Steel Leaf Pack Thickness (D): 10 3 8 in. Leaf Spring Count: 11 Leaf Width: 4 in. Length (A): 30 5 8 in. Length (B): 28 1 4 in. Spring
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product description
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Specifications
Product Line: Suspension
Category Name: Chassis & Suspension
Part Type: Rear Leaf Spring
Alternate Part Name: Spring Assembly, Leaf Spring Assembly, Rear Spring Assembly, Rear Spring
OEM Part Number: 4QK4004A
Application Type: Semi-Trucks, Heavy Duty Trucks
Mounting Position: Rear Suspension
Material: Steel
Leaf Pack Thickness (D): 10-3/8 in.
Leaf Spring Count: 11
Leaf Width: 4 in.
Length (A): 30-5/8 in.
Length (B): 28-1/4 in.
Spring Arch Length (C): 6-7/8 in.
Spring Load Capacity: 22.000 lb.
Net Weight: 402 lb.
Intended Application
Compatible With Mack Truck 1970 – 2020 models equipped with Camel Back rear mechanical suspension systems and 55 in. axle spacing, suitable for heavy-duty vocational and highway trucks requiring multi-leaf rear spring assemblies, and engineered to interchange with equivalent Camelback suspension configurations that match the specified geometry, load capacity, and mounting architecture.
Always compare with your OEM part number prior to purchase to confirm full compatibility.