Part Description BACK Mack MP8 (Stock # FLYWHEEL-296) Flywheel Housings $900.00 Quantity 1 Add to Cart Part Type Flywheel Housings Serial# . Truck Make Mack Material Aluminum Truck Model Other Truck Year OTHER Engine Make Mack Engine Model MP8 Casting# . Condition Used Description , P/ N 22986937 ,$900. ** SEE RAISED LH UPPER CORNER**