FILTER ELEMENT - Part #31
PRESSURE GAUGE (1) Part #15
1/4" TEE (1) - Part #16
1/4" AIR FILLER VALVE (1) - Part #18
3/8" STREET ELBOW (1) - Part #10
PIPE BUSHING (2"MALE-3/8" FEMALE) Part #9
WHEELS (2) - Part #3
1/4'' BUNG (2) - Part #23
2" BUNG (2) - Part #21
WHEEL BEARINGS (4) - Part #2