The Atro TH47-37900 is a premium torque rod bushing kit engineered for maximum durability in heavy-duty trailer applications. Specifically designed for Fruehauf F, J2, and NF2 Series as well as NT-2 Pro-Trac suspensions, this kit replaces standard rubber components with Atro’s high-performance polyurethane for a longer service life and improved handling.
| Attribute | Value |
| Part Number | TH47-37900 |
| Material | Heavy-Duty Polyurethane |
| Application | Fruehauf & Pro-Trac Trailer Suspensions |
| Kit Type | Complete Torque Rod Rebuild Kit |
Each TH47-37900 kit includes all the high-strength hardware and bushings required for a single torque rod end:
(2) PL1084 Polyurethane Bushings
(1) High-Grade Mounting Bolt
(2) Hardened Washers
(1) Locknut
This kit is an exact high-performance replacement for the following OEM and aftermarket brands:
| Brand | Cross Reference | Notes |
| Fruehauf | UXA-000011900 | F Series, J2, NF2, NT-2/NT-2W Pro-Trac |
| Dayton Parts | 334-565 | Exact Cross |
| Gaff | GAFF13042 | Exact Cross |
| TRP Parts | TRK63000 | Exact Cross |
| World America | WA12-5038 | Exact Cross |
| Automann | TRK6300 / TRK6300UB | Standard/Poly Aftermarket |
| Euclid | E-9362 / E-1023 | Aftermarket Replacement |
| Flagg | FR266 | Aftermarket Replacement |
Polyurethane Advantage: Unlike rubber, these bushings will not rot, crack, or swell when exposed to grease, oil, or diesel fuel.
Precision Fit: Designed as an exact cross-reference to ensure easy installation and proper suspension geometry.
Road-Tested Strength: Engineered to handle the high-torque demands of trailer suspension systems, reducing the frequency of rebushing.
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