Exhaust Valve Seat Insert For 251+Cylinder Head Dlw Drg. No 22B71153-1 Alt-C Or Lat Est. Part No. 10249266 Dlw Spec No Dlw 31Pd5441 And 31 Pd 5660. As Per Drg.No. 10249266 Maker S Drg. No. Dlw [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]