Manufacturer Part Number 174439. VW 7D0 407 344 A. VW 7D0 407 344 B. VW 701 407 344. VW TRANSPORTER T4 Bus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 2.4 D Syncro 1992-10 1998-09 2370. VW TRANSPORTER T4 Bus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 2.5 Syncro 1992-08 2003-04 2461.