| Part Number | Description |
| 51-1125RK | LCD display, GX-2012 |
| Part # | Description | |
| 1. | 17-1001RK | Tapered rubber inlet nozzle, 4”, RP-6 / GX-2003 / GX-2012 / Gas Tracer |
| 2. | 21-1833RK | Filter holder, clear plastic, GX-2003 |
| 3. | 33-1031RK | Cotton balls, filters for probe, bag of 25 |
| 4. | 33-0159RK | Teflon filter disc, 10 pieces, RP-6 / GX-2003 |
| 5. | 33-1112RK | Wire mesh disk filter, RP-6 / GX-2003 / GX-2012, 10 pack |
| 6. | 21-1890RK | Top cover assembly, GX-2012 / Gas Tracer |
| 7. | 30-0022RK | Pump replacement for GX-2012 and RP-2009, with cable and connector |
| 8. | 21-1889RK | Main case assembly, GX-2012 |
| 9. | 07-6024RK | Battery pack gasket, GX-2012 / Gas Tracer |
| 10. | 07-6025RK | Main case gasket, GX-2012 / Gas Tracer |
| 11. | 51-1125RK | LCD display, GX-2012 / Gas Tracer |
| 12. | 57-2043RK | CPU PC board assembly, GX-2012 |
| 13. | 49-1406RK | Battery, lithium, CR 1220, for main PCB, GX-2012 / Gas Tracer |
| 14. | 30-1053RK | Vibration motor, GX-2003 / GX-2012 / Gas Tracer |
| 15. | 10-1090RK | Tap tight screw M2x4.5 mm, phillips self-tapping |
| 16. | 57-2041RK | Sensor PC board assembly, GX-2012 |
| 17. | 07-6026RK | Sensor gasket, GX-2012 / Gas Tracer |
| 18. | 33-7114RK | Filter disk, H2S scrubber, 5 pack, for combustible diffusion port |
| 19. | 33-7102RK | Filter, charcoal, for CO sensor, pack of 5 GX-2009 / GX-2012 / Gas Tracer / GX-2001 |
| 20. | 21-1892RK | Sensor cap assembly, GX-2012 |
| 21. | 13-0118RK | Belt clip, GX-2012 / Gas Tracer |
| 22. | 49-1615RK | Batter pack, lithium ion, GX-2012 / Gas Tracer |
| 23. | 49-1616RK-01 | Alkaline Battery pack cover with gasket, GX-2012 / Gas Tracer |
| 24. | 49-1616RK-02 | Alkaline Battery pack without cover with gasket, GX-2012 / Gas Tracer |
| 25. | 13-0112RK | Wrist strap |
| 26. | 10-1108RK | Screw M2 x 16 |
| 27. | 10-1093RK | Screw M2 x 6 SUS304 |
| 28. | 10-1091RK | Screw M2 x 5 SUS |
| 29. | 10-1092RK | Truss screw M2 x 5 |
| 30. | OS-BM2 | O2 sensor OS-BM2 |
| 31. | NC-6264A NC-6264B (CSA version) |
LEL sensor (non CSA) LEL sensor for GX-2012 CSA |
| 32. | ES-1821 | CO sensor ES-1821 |
| 33. | ES-1827I | H2S sensor ES-1827I |
| 34. | TE-7561 | VOL sensor TE-7561 |
| 35. | SH-8641 | PPM sensor SH-8641, Gas Tracer |
| 36. | 49-1616RK | Alkaline Battery pack without batteries with gasket, GX-2012 / Gas Tracer |