tender for outer spring drawing no. wd - 04017 - s/4, alt. 5, item no.1. spec. no. wd-01-hls-94 (rev.3with amend. no.3) guarantee : the spring shall be guaranteed for a period of five years from the date ofdelivery or for a period of four years from the date of actual fitment, whichever is earlier. (for details please seespec. no. wd-01-hls-1994 (rev.3 with amend. no.3) .