supply of emergency brake accelerator eb3 s/l with bracket for disc brake system of lhb coaches. m/sknorr-bremse part no. i 89368. or brake pipe accelerator valve (with bracket) for disc brake system of lhbcoaches. m/s faiveley part no. 072001000. nb:- guarantee / warranty 36 months from the date of delivery or24 months from the date of placing in service whichever is earlier.