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Specifications

For Peterbilt trucks equipped with Air Trac suspension systems, the MPB66 Spring Roller Kit Peterbilt is an essential maintenance upgrade. This kit from Wofford Truck Parts includes the critical components: a roller bushing, inner sleeve spacer, 5/8″-bolt, flat washers and locknut—all selected for direct fit and durability. With cross references to OE part numbers such as R307854, 334-1194, E-7854 and more, it targets common wear points in the spring roller mount. Proper installation ensures the roller rotates freely, prevents early wear of the spring seat and improves ride stability. The compact kit simplifies maintenance, minimizes downtime and reinstates optimal suspension performance for Peterbilt Air Trac applications.
Weight
1.81

Compatibility


Alternative Part Numbers

03-04623
03-04624
09-8048
0304623
0304624
334-1194
3341194
E-7854
E7854
PB21
R307854
SU75-29624
SU7529624
SU75-29624ATR
SU7529624ATR

Related Parts

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