Mack MP8 Rocker Arm

Mack MP8 / Volvo D13 Exhaust Rocker Arm, Part # 21406640. All Used Engine Parts Sold With a 30 Day “Parts Only” Warranty. In The Event Of Failure, The Used Engine Part Will Be Replaced Or A Refund Will Be Issued. Warranty Does Not Include Labor Or Progressive Damage. ALL CORES SOLD AS-IS., Serial#: .