Upgrade your suspension with the durability of American-made polyurethane. The ATRO SP59-11007 is a premium Spring Eye Bushing engineered to replace traditional threaded style bushings on Kenworth and PACCAR heavy-duty trucks. Unlike standard rubber, ATRO’s proprietary polyurethane mixture is chemically resistant to grease, road salt, and environmental debris, ensuring a significantly longer service life and improved ride stability.
| Feature | Details |
| Part Number | SP59-11007 |
| Manufacturer | ATRO (Made in the USA) |
| Category | Suspension / Spring Eye Bushings |
| Outside Diameter | 2 1/16" |
| Outer Sleeve Length | 4 1/16" |
| Pin Groove (C-C) | 6 5/16" |
| Shipping Weight | 3.555 lbs |
| UPC Code | 751354032888 |
| Installation Tool | PT59-53000 (Recommended) |
This bushing is a high-performance replacement for Kenworth C500B, 550B, K100, K300, and T-series (T300, T400, T450, T600, T800, T2000) trucks.
Note: This polyurethane solution is designed to replace the older threaded style bushing and pin configurations.
The SP59-11007 replaces or serves as a near-cross for the following industry part numbers:
Gaff: 11763 (Exact Cross)
Kenworth: B65-1007, B65-1012
PACCAR: B13-1002 (Bushing), B65-1008 (Pin)
Automann: MTB186 (Bushing), M5449 (Pin)
Dayton Parts: TB81, 327-540, RB308
Dyco: DT1477
RoadForce: RF391507079
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