Detroit Diesel DD13 Engine Timing Gear W/ Hub A4720500705 A4720520220Condition: REBUILDABLE CORE USED The Detroit Diesel A4720500705 Engine Timing Gear is engineered for optimal performance in heavy duty commercial vehicles as indicated by multiple sources including listings for both DD15 and DD13 models. Used on applications such as the 2012 Freightliner Cascadia 125BBC this timing gear is recognized for its durability and precision in maintaining ideal engine timing. All parts industrially cleaned and inspected for