UT2251 — Air filter by UNITRUCK. Designed for GENERAL MOTORS equipment. Outer diameter 237, inner diameter 131, height 317. This filter cross-references 3I1550, 15619013, 15696245, RE34962, RE67124, AF4878, A1169C, RS2863, OB 0000, 1 457 432 280 (23 cross-references in total).