Part Description BACK Mack E TECH (Stock # FLYWHEEL-297) Flywheel Housings $1,500.00 Quantity 1 Add to Cart Part Type Flywheel Housings Serial# . Truck Make Not Available Material Leather Truck Model Other Truck Year OTHER Engine Make Mack Engine Model E TECH Casting# . Condition Used Description REPTO, , INCLUDES ALL GEARS, BEARINGS, HARDWARE & REAR MAIN SEAL HOUSING, P/N 634GC5328M, $1500.