Service parts for the AJ series
Grouped by system, with how many of each the parts manual calls for.
Belts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
Ratings spec sheet not in our library yet — see the documents below.
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | 50 hr | |||
| Oil filter | — | 100 hr | |||
| Battery | Batteries (where used) are connected to the plant. | — | |||
| Belt | Belt | 321098765 | Amazon eBay | ||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | — | ||||
| Spark plug | — | 200 hr |
Parts
3| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 321098765 | Belt | 1 | Belt | Amazon eBay |
| 432109876 | Spark Plug | 1 | Spark plug | Amazon eBay |
| A8S0R8 | CANVAS SECTION TO ABSORB VIBRATION DIMENSIONS OF HEATED AIR OUTLET /t1£7A L DUCT TO OUTSIDE | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Service manual — 924-0011 Onan AJ (spec A-C) Genset Instruction manual (Cummins/Onan)