Upgrade your International or Ford fleet with the heavy-duty reliability of ATRO. The SP55-52600 is a high-performance polyurethane spring eye bushing designed for 4" wide springs. Proudly made in the USA, this bushing is the ultimate solution for vocational trucks and tractors that demand more than standard rubber can provide.
| Feature | Details |
| Part Number | SP55-52600 |
| Manufacturer | ATRO (Made in the USA) |
| Category | Suspension / Spring Eye Bushings |
| Inside Diameter (ID) | 3/4" |
| Outside Diameter (OD) | 1 13/16" |
| Length | 4 1/4" |
| Shipping Weight | 1.6 lbs |
| UPC Code | 751354032864 |
| Installation Tool | PT96000 |
This bushing is specifically engineered for heavy-duty applications using 4" wide springs, commonly found on:
International/Navistar: 3000, 4000, 7000, 8000, and 9000 Series trucks.
Ford: F650 and F750 models.
The SP55-52600 is a direct or high-performance replacement for:
Gaff: 34511 (Exact Cross)
International: 3525665C1, 3525665C2
Ford: 4C4Z5348BA
Automann: MR752, MR752UB
Dayton Parts: RB-253
Euclid: 34511
Dyco: DT1807
Flagg: RB253
Uro: TD5510
Unmatched Durability: ATRO’s proprietary polyurethane is chemically resistant to oil, salt, and chemicals, preventing the "mushy" breakdown common in rubber bushings.
3-Year Warranty: Includes an industry-leading 3-Year Warranty for U.S. and Canadian customers (1-year for export).
Zero Maintenance: Unlike threaded steel bushings, these do not require greasing, saving you labor costs and downtime.
Precision Handling: Reduces spring walk and improves axle alignment for a more stable ride under heavy loads.
Installation Note: To ensure a proper press-fit without damaging the polyurethane material, use the ATRO PT96000 installation tool.
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