Restore smooth trailer articulation and eliminate axle walk with the ATRO PL1148 Premium Polyurethane Equalizer Bushing. Proudly Made in the USA, this heavy-duty equalizer bushing is specifically engineered to replace vulnerable rubber components on high-mileage commercial trailers, vocational vocational fleets, and owner-operator rigs.
Trailer equalizer hubs endure punishing multi-axis twisting and massive impact loads, causing standard rubber bushings to quickly tear, distort, and fail. When rubber components degrade, the suspension shifts out of square, leading to accelerated tire wear and tracking issues. ATRO's proprietary polyurethane compound is chemically engineered to absorb extreme structural pressure without collapsing, cracking, or taking a permanent compression set. Additionally, it is entirely immune to under-chassis grease, motor oils, road salt, and harsh winter de-icing fluids. Engineered specifically for Reyco 101, 102, and 201 Series trailer suspensions, this bushing ensures true alignment, minimal maintenance, and an extended service lifetime.
High-Durometer Polyurethane: Engineered to handle massive load distribution and severe pivoting forces without the crushing or walking common to rubber.
Maintains Axle Tracking: Stabilizes the equalizer assembly to keep tandem trailer axles tracking straight, significantly lowering rolling resistance and uneven tire wear.
Chemical & Environmental Immunity: 100% resistant to breakdown from chassis lubes, diesel fuel, ozone layout fatigue, and salted road spray.
Proudly Made in the USA: Manufactured to exact heavy-duty vocational tolerances for dependable, fleet-grade structural integrity.
| Specification | Details |
|---|---|
| Manufacturer | ATRO Engineered Systems |
| ATRO Part Number | PL1148 |
| Industry Cross Ref | 321-191U / 321-191 / 321-152 |
| UPC Code | 751354030891 |
| Material | Premium Heavy-Duty Polyurethane |
| Component Type | Trailer Equalizer Bushing |
| Inside Diameter (ID) | 1-1/2" |
| Outside Diameter (OD Ref) | 3-1/8" |
| Part Footprint Dimensions | 4-1/2" x 3.800" x 3.900" |
| Country of Manufacture | United States (USA) |
| Category | Trailer Suspension |
| Quantity Per Vehicle | 2 |
| Shipping Weight | 2.495 lbs |
This premium polyurethane equalizer bushing is engineered to fit the following heavy-duty trailer applications:
Reyco Granning Suspension Models: 101, 101A, 102, 102W, and 201 Series (Manufactured 1984 and newer)
This premium polyurethane component serves as a direct performance replacement or interchange for the following part numbers:
Gaff: GAFF15001 (Exact Direct Cross Match)
TRP Parts: TRB50290 (Exact Direct Cross Match), TRB50240
Dayton Parts: 321-191U, 321-191, 321-152
Reyco: 14713-01, 08363-01
Automann: TRB5029
Dyco: D69, D069, DT1778
Euclid: E-3977, E-8654
Meritor: R308654
Flagg: R209
Severson: 3561
Application Tip: This package includes 1 heavy-duty polyurethane equalizer bushing. A standard commercial trailer setup utilizing tandem layouts typically requires a quantity of 2 equalizer bushings to complete a full suspension refresh. Always verify your inner bushing eye dimensions and part dimensions prior to checkout.
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