0 Detroit DD13, , Engine Misc Parts, Fits to: , (Used) Engine Detroit DD13-DD15, ENGINE BRACKET WITH BELT TENSIONER- Part Number: A4721550335, BELT TENSIONER- Part Number: A4722001070, Engine Information- ESN:471927S0233126, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 471927S0233126, Casting# 471927S0233126, Part# A4721550335