| 1 | 1 | 507897 | Water System Purge Assembly - 600-CNG | |
| 1 | 1 | 20752 | Fitting - 3/8 JIC Swivel - 1/4 NPT 90° | |
| 2 | 1 | 5015438 | Bulkhead Bracket | |
| 3 | 2 | 10138 | Bolt - 1/2-13 x 1 1/2 HHCS | |
| 4 | 2 | 10311 | 1/2 - Flat Washer | |
| 5 | 2 | 10312 | 1/2 - Lock Washer | |
| 6 | 2 | 10229 | Nut - 5/16-18 Top Lock | |
| 7 | 1 | 5020882 | Air Purge Mount Bracket - CNG | |
| 8 | 6 | 10305 | Flat Washer - 5/16 | |
| 9 | 1 | 12821 | Pressure Gauge 0-60 PSI | |
| 10 | 1 | 10828 | Fitting - 1/4 Hex Nipple | |
| 11 | 1 | 12378 | 3-Way Valve - 3/4 FPT | |
| 12 | 2 | 20676 | Fitting - 3/4 NPT x 3/4 HB 90° | |
| 13 | 1 | 11357 | U-Bolt - 5/16-18 x 1-3/4 x 2-11/16 | |
| 14 | 1 | 20850 | Fitting - 1/4 FPT x 3/4 MPT Reducer | |
| 15 | 2 | 11318 | Hose Clamp - 5/8-1.25 | |
| 16 | 1 | 5014753 | Hose - 3/4 Push-On x 14 | |
| 17 | 1 | 20763 | Fitting - 1/4 NPT x 3/8 JIC Bulkhead | |
| 18 | 2 | 10117 | Bolt - 5/16-18 x 1 HHCS | |
| 19 | 1 | 12820 | Air Line 1/4 NPT Mini Regulator | |
| 20 | 2 | 10306 | 5/16 Lock Washer | |
| 21 | 2 | 10205 | Nut - 5/16-18 Hex | |