Detroit DD13 Engine Part

DD13 (471903) Idler Pulley w/ Bracket, Part # A4722020340 (Replaces A4722020040 & A4722020240). Replaced By A4722020440. 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#: 471903S0085982, Casting#: 471903S0085982