Timing Gears

Surplus B: Surplus B MACK/VOLVO CASE HARDENED IDLER GEAR 23493803, CORE GROUP: 85028639; FOR VOLVO D11 EPA 07 & MACK MP7 (BOTH EPA 07 through EPA 21) WITH 1000 NM ENGINE PTO TORQUE CAPACITY APPLCATIONS. WHEN SERVICED BY VOLVO, 85022639. WHEN SERVICED BY MACK, 85022640. THIS IDLER GEAR IS PART OF THE ENGINE'S FRONT TIMING GEARS. THIS TRANSFERS ROTATIONAL POWER BETWEEN TIMING GEARS, MAINTAINS PROPER CAMSHAFT TIMING, DRIVES ENGINE-MOUNTED GEAR-DRIVEN COMPONENTS, & ENSURES SYNCHRONIZATION BETWEEN THE CRANKSHAFT, CAMSHAFT, & ACCESSORY DRIVES.