Service parts for the HC5
Grouped by system, with how many of each the parts manual calls for.
Air intake
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.
Common questions
What air filter does the Cummins/Onan HC5 use?
The Cummins/Onan HC5 uses air filter part number A040J849.
Parts
24| Part # | Description | Qty | System | |
|---|---|---|---|---|
| A040J849 | Air filter | 1 | Air filter | Amazon eBay |
| 051-01035 | Bearing (Non-Drive End) | Service part / kit | Amazon | |
| 051-01067 | Nachschmierbares Lager A-Seite | Service part / kit | Amazon eBay | |
| 051-01068 | Nachschmierbares Lager B-Seite | Service part / kit | Amazon eBay | |
| 051-01070 | Lebensdauerschmierung mit Kassette A-Seite | Service part / kit | Amazon eBay | |
| 051-01071 | Sealed for life with cartridge bearing | Service part / kit | Amazon | |
| 051-01072 | Sealed for life without cartridge bearing | Service part / kit | Amazon eBay | |
| 45-0319 | Kit di cuscinetti sigillati lato conduttore | Cuscinetto a tenuta lato comando | Service part / kit | Amazon eBay FridayParts $765.39 |
| 45-0320 | Sats, täckt lager för bakre gaveln | 1 | Service part / kit | Amazon eBay NAPA $5.86 |
| 45-0321 | Sats, täckt lager för främre gaveln | 1 | Service part / kit | Amazon eBay |
| 45-0339 | DE sealed bearing assembly | 1 | Service part / kit | Amazon eBay |
| 45-0340 | NDE sealed bearing assembly | 1 | Service part / kit | Amazon eBay |
| 45-0342 | DE regreasable bearing assembly | Cuscinetto reingrassabile lato comando | Service part / kit | Amazon eBay |
| 45-0343 | NDE regreasable bearing assembly | Cuscinetto reingrassabile lato non comando | Service part / kit | Amazon eBay |
| 45-1099 | Sats, eftersmörjbart lager för bakre gaveln | 1 | Service part / kit | Amazon eBay FridayParts $19.59 |
| 45-1100 | Sats, eftersmörjbart lager för främre gaveln | 1 | Service part / kit | Amazon eBay |
| A051C232 | 30,000 Hour Service Kit (Sealed) | 1 | Service part / kit | Amazon eBay |
| A051C234 | 30,000 Hour Service Kit (Sealed) | 1 | Service part / kit | Amazon eBay |
| A051Z125 | 30,000 Hour Service Kit (Regreasable) | 1 | Service part / kit | Amazon eBay |
| A051Z131 | 30,000 Hour Service Kit (Regreasable) | 1 | Service part / kit | Amazon eBay |
| E000-23212/1P | MX321 AVR (if fitted) | 1 | Service part / kit | buy |
| E000-23412/1P | MX341 AVR (se presente) | 1 | Service part / kit | buy |
| E000-23800 | DM110 AVR | 1 | Service part / kit | Amazon eBay $588.90 FridayParts $1803.00 |
| E000-24403/1P | AS440 AVR (if fitted) | 1 | Service part / kit | buy |
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
Reference — rental-generator-sets-rating-cards-north-america-50-60hz-2025-aug (Cummins/Onan)
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.