The Atro PB75-29674 is a complete, heavy-duty bushing kit specifically engineered for the Peterbilt Air Leaf suspension system. While standard rubber bushings are prone to tearing and "walk-out" under heavy stress, Atro’s proprietary polyurethane formula is chemically resistant to grease, oil, and road salt, ensuring your suspension stays aligned and your tires wear evenly.
| Attribute | Value |
| Part Number | PB75-29674 |
| Description | Air Leaf Bushing Kit |
| Material | High-Performance Polyurethane |
| Application | Peterbilt Air Leaf Suspension |
| Hardware | 1" x 8 1/2" Grade 8 Bolt Assembly |
This all-in-one kit includes everything required for a professional-grade replacement:
(2) PL1075 Polyurethane Bushings
(2) PL1076 Polyurethane Washers
(2) Compression Washers
(1) 1" x 8 1/2" Grade 8 Mounting Bolt
(1) Locknut
(1) Spacer Sleeve
The Atro PB75-29674 is a premium replacement for several OEM and aftermarket part numbers:
| Brand | Cross Reference | Notes |
| Peterbilt | 03AL1 / 03AL01 | OEM Replacement |
| Gaff | GAFF12361 | Exact Cross |
| Dayton Parts | 334-460U | Exact Cross |
| Dayton Parts | 334-460 | Near Cross (Standard Material) |
| Automann | TRK5905 / TRK5905UB | Aftermarket Replacement |
| Euclid | E-4773 | Aftermarket Replacement |
| Dyco | D507KIT | Aftermarket Replacement |
| Flagg | PB7 | Aftermarket Replacement |
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