Our comprehensive product line of Peterbilt 379 steer axle springs and hanger parts are designed to improve load handling, ride quality, and correspond with various aftermarket configurations so that you can fine-tune the performance of your truck model.
Grab axle cup adapters, front spring spacers, load cushions, and axle shocks for a smooth ride. Or repair busted plates and leaves with individual wrapper leaves and repair plates in a variety of lengths and arches.
Full Leaf Spring Assemblies for the 379 Model
Repair your big rig with complete spring packs ranging from heavy duty rear springs (10,400 lbs. capacity) to front steer axle springs (6,570 lbs. capacity) and specialty BESTfit springs for flex air suspensions or Hendrickson setups.
Peterbilt 379 Front Spring Hanger Kits & Mounting Brackets
Find parts to keep your suspension and drivetrain securely attached and positioned, like carrier bearing kits, and durable aluminum hangers that reduce overall chassis weight.
Bushings, Bearings & Service Kits
Regain steer axle alignment with new polyurethane bushings, bearings, and service kits.
Find bushing assemblies to help fix steering misalignment, including end beam bushings for Hendrickson 340-520 series and poly silent block bushings.
Service Kits like beam end kits and king pin kits restore damaged pivot joints.
4 State Trucks stocks every component you need to regain precise steering control over your classic Peterbilt 379 model.
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