Maintain precise axle alignment and restore structural integrity to your suspension system with the Dayton Parts 338-1459 Heavy-Duty Leaf Spring Axle Perch. This premium replacement spring seat provides the critical mounting interface between your leaf spring bundle and the axle housing. It plays a vital dual role: securely anchoring the spring pack and locking the axle's position in the direction of travel as the suspension cycles.
Over time, severe operating environments, overloading, and road corrosion can cause original perches to crack, deform, or wear thin. When an axle perch degrades, it leads to rapid axle misalignment, severe tire scrubbing, driveline vibration, and catastrophic hardware failure. Choosing this Dayton spring perch is a smart, preventive choice during any comprehensive leaf spring overhaul or suspension service, designed to restore a safe state of quiet, true-tracking operation.
Direct Replacement Fitment: Engineered to seamlessly replace the original hardware on specified vehicle fitments, restoring proper leaf spring performance and positioning.
Smart Preventive Repair: Replacing a worn or cracked spring perch prevents unsafe operating conditions, protecting your expensive leaf spring packs and axle housing from secondary structural damage.
Durable Heavy-Duty Construction: Designed and manufactured to strict heavy-duty truck specifications using high-grade structural materials for reliable load-bearing performance.
Trustworthy American Quality: Backed by a team of product experts in the United States with more than a century of experience in heavy-duty commercial vehicle component design.
| Specification | Details |
|---|---|
| Manufacturer | Dayton Parts |
| Part Number | 338-1459 |
| Component Type | Suspension - Leaf Spring Axle Perch / Spring Seat |
| Fitment Style | Direct Replacement |
| Material Composition | Premium Structural Heavy-Duty Steel/Iron |
| Country of Engineering | United States (USA) |
| Shipping Classification | Parcel Friendly |
This heavy-duty leaf spring perch is engineered to service commercial vocational trucks and tractor platforms, providing a direct fit for parent vehicle networks utilizing the following factory hardware catalogs:
PACCAR Systems (Kenworth / Peterbilt)
This premium suspension component serves as a direct performance replacement or interchange for the following aftermarket and OEM factory part numbers:
PACCAR: SB2489 (Direct Exact Match)
Industry Reference: 016002097
VMRS Coding System: Asset Maintenance Classification Code Applicable
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