Product Detail

Automann MPB452 Leaf Spring Shackle Kit – Heavy-Duty Peterbilt Suspension

$127.33

SKU: MPB452 Categories: , , Brand:

Description

✅ Product Overview

The Automann MPB452 is a premium leaf spring shackle kit engineered for Peterbilt heavy-duty trucks (e.g., Model 379, COE 1987–1997). This OE-quality kit includes bushings, side bars, high-strength bolts, and grease fittings—designed to restore proper spring travel, reduce noise, and ensure smooth suspension articulation.


📏 Precise Dimensions & Kit Components

  • Side Bars: ≈ 6 in length (eBay listing: “2‑M1500 Sidebar (6 inch)” )

  • Bushings: MPB60 (2 included) – OEM replacement for Automann and Peterbilt spring eye bushings

  • Spring Pins: B1420‑75 (2 units) – Heavy-duty pins with locknuts and bolts

  • Bolts & Nuts: 4 Grade‑5 cap screws (F120300 GR5) and 4 SLN813 lock nuts

  • Grease Fittings: 2 G1803 zerks included for proper lubrication


🔄 Cross-Reference Part Numbers

This kit matches or is equivalent to multiple OEM and aftermarket part numbers:

Brand Part Number(s)
Automann MPB452, M1500, M5308
Dayton 330‑191 (Kit), 330‑186 (Sidebar)
ATRO SK75‑10200 (bushing kit with bushings, pins, sidebars)
Flagg E627‑75 (sidebars), B1420‑75 (spring pins), PB103 (kit)
Peterbilt 02‑01783, 02‑01784, 02‑01805 (COE 4″ cast eyes ‘87–’97)

Also cross-linked to other items: Freightliner ABP/N3271471, UCF Impex SPB‑103, Network PE15D


⚙️ Technical Benefits

  • Complete Suspension Renewal: All parts in one kit—makes resetting spring geometry and eliminating noise easy and efficient.

  • OE-Quality Fitment: Exactly matches OEM dimensions, ensuring proper load distribution and travel.

  • Enhanced Durability: Heavy-duty steel pins and bars joined with top-grade bushings.

  • Easy Grease Access: Guaranteed longevity with grease fitting integration.