The Generac GH426 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 0E9371A | Air Filter | Air filter |
| 0J8478 | Air Filter | Air filter |
| 74182 | Hose Oil Drain | Hose |
| 070185E | Oil Filter | Oil filter |
| 070185F | Oil Filter | Oil filter |
| 073590A | FUSE 5A X BUSS | Service part / kit |
| 0D7178T | Control Panel Fuse | Service part / kit |
| 0H3421S | 26R Exide Battery | Service part / kit |
| 0K8184 | 1 in ball valve | Service part / kit |
| 0K8752 | 1/2 in ball valve | Service part / kit |
| 0K8754 | 3/4 in ball valve | Service part / kit |
| 0L2844 | 1-1/4 in ball valve | Service part / kit |
| 0L2845 | 1-1/2 in ball valve | Service part / kit |
| 0L2846 | 2” ball valve | Service part / kit |
| 10000004936 | Manual de l’utilisateur pour les générateurs refroidis à l’air de 60 Hz | Service part / kit |
| 10000029517 | BADGE ADHESIVE GUARDIAN (9KW) | Service part / kit |
| 73190 | Drain, Oil FSTEX 7400-02-9909 | Service part / kit |
| 74121 | Frame 9kW | Service part / kit |
| 74122 | Generator Head 9kW | Service part / kit |
| 74123 | Assy. Stator Bracket | Service part / kit |
| 74124 | Sol. Vib 1.50 OD x 1.00 .69 Stud | Service part / kit |
| 74125 | Assy, Shield Air 9kW | Service part / kit |
| 74129 | Hinge Slip Joint | Service part / kit |
| G006482-0 | Scheduled Maintenance Kit | Service part / kit |
| 0E9368 | Spark Plug (RL87YC or equivalent) | Spark plug |
| 0G0767A | Spark Plug (RC12YC or equivalent) | Spark plug |
| 0G0767B | Spark Plug | Spark plug |
| RC12YC | Spark Plug | Spark plug |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.