Compression Spring For 4.5 Kw Alternator V-Belt Tension Device As Per Rdso Old Spring Drg. No .Skel 3940 Sheet Ii With Spring Wire Dia. 14 Mm And No Of Coils 14 1/2 And En-47 Material As Per Is:445 4 And Spring Stiffness Should Be 2.8-3.2 Kg/Mm Conforming To Kel Part No A3225 Or Similar To Drawing . [ Warranty Period: 30 Months After The Date Of Delivery ] ]