1945-1964 Jeep CJ2A, CJ3A, & Early CJ3B (up to Serial # 39838) Polyethylene Gas Tank (Under Driver Seat) (24"L x 18 1/2"W x 6"H). With 5 Screw Sending Unit Hole and Straight Filler Pipe. Also Available are: Sending Unit # CJSU-2, Strap # CJGTS-3, Filler Grommet # CJFPG-1, Filler Plate # CJFP-1