Upgrade your heavy-duty truck suspension with the ATRO PL1189 Polyurethane Spring Eye Bushing Set. Proudly Made in the USA, this kit includes a set of two (2) premium polyurethane bushings engineered to outperform and outlast traditional rubber replacements.
Unlike standard rubber bushings that vulnerable to dry rot, cracking, and chemical breakdown, ATRO's proprietary polyurethane compound is completely impervious to oil, grease, road salt, and environmental contaminants. Designed specifically for demanding setups like the Peterbilt Low Mount Air Leaf suspension, these bushings maintain precise axle alignment, restore smooth ride quality, and significantly lower your fleet's cost-per-mile by eliminating repetitive maintenance.
Proudly Made in the USA: Manufactured with strict quality control and top-tier domestic materials for dependable commercial performance.
Advanced Polyurethane Technology: Chemically engineered to withstand extreme load distribution and high-friction cycles without deformation or failure.
Complete Axle Pairing: Sold as a convenient set of two (2) bushings. (Requires 2 sets per axle / 2 bushings per vehicle side).
Zero-Grease Maintenance: Designed to operate efficiently without constant lubrication schedules, reducing shop downtime.
| Specification | Details |
|---|---|
| Manufacturer | ATRO Engineered Systems |
| ATRO Part Number | PL1189 |
| Industry Cross Ref | 320-132U / 320-132 |
| UPC Code | 751354031089 |
| Material | Heavy-Duty Polyurethane |
| Country of Manufacture | United States (USA) |
| Category | Suspension |
| Component Type | Spring Eye Bushing |
| Length | 1-15/16" |
| Inside Diameter (ID) | 1-3/4" |
| Outside Diameter (OD) | 2-5/8" Tapered to 2-9/16" |
| Quantity Per Vehicle | 2 sets per Axle (2 Bushings per Side) |
| Shipping Weight | 0.515 lbs |
This premium polyurethane bushing kit directly replaces the following OEM and aftermarket part numbers:
Peterbilt: 03-05101 (Low Mount Air Leaf Suspension Application)
Dayton Parts: 320-132, 320-132U
Automann: TRB5904
TRP Parts: TRB59040 (Near Cross)
Euclid: E-7841
Flagg: PB42
Gaff: GAFF12354
Dyco: D58, D13, DT1381
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