1.Fit to heavy duty truck.
2.Replacement for Newstar Number S-8513
Replacement for Freightliner Number 811525 TDA R201310
Replacement for OEM Number 329432
3.King Pin Size: 1.8725x9.970.
4.Series: Axle Model:EFA-20F4, 22T2, 22T5, 24T2, 24T5 Made after Jan 1, 2000 with Composite Bushing
5.Market: North America, Central America, Canada, South America.