Service parts for the MSG425
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.
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Cleaner Element | 102-004-050 | Amazon eBay |
Common questions
What air filter does the Cummins/Onan MSG425 use?
The Cummins/Onan MSG425 uses air filter part number 102-004-050.
Parts
36| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 102-004-050 | Air Cleaner Element | 1 | Air filter | Amazon eBay |
| 102-006-030 | Spark Plug | 1 | Spark plug | Amazon eBay |
| 1L5Z-6268-AA | Timing Chain (6282) | 1 | Timing chain | Amazon eBay |
| 1S7G-8255-BD | Water Outlet Gasket | 1 | Gasket | Amazon eBay |
| 1S7Z-6256-AA | Sprocket - CAM, 38 Tooth (6C251) | 1 | Sprocket | Amazon eBay |
| 1S7Z-6306-CF | Gear- Crankshaft, 19 Tooth (6306) | 2 | Gear | Amazon eBay |
| 1S7Z-6378-AA | Washer, Diamond (6378) | 1 | Washer | Amazon eBay |
| 1S7Z-6A892-A | Valve Retention | 1 | Retention | Amazon eBay |
| 1S7Z-6B752-AA | Gasket CRKC Assembly | 1 | Gasket | Amazon eBay |
| 1S7Z-6K254-AA | Tensioner - Timing Chain (6284) | 1 | Tensioner | Amazon eBay |
| 1S7Z-6K282-AA | Bolt, M6 x 27mm (6K282) | 1 | Bolt | Amazon eBay |
| 1S7Z-6K868-A | Engine Piston Cooling | 4 | Cooling | Amazon eBay |
| 3M6G-6C315-BA | Crank Position Sensor | 1 | Sensor | Amazon eBay |
| 3S4Z-6A892-AA | O-ring valve retention | 1 | O-ring | Amazon eBay |
| 6M8Z-6C525-A | CAM, 38 tooth (6C525) | 1 | Camshaft | Amazon eBay |
| 6M8Z-6K255-A | ARM - Timing Chain Tensioner (6K255) | 2 | Tensioner | Amazon eBay |
| 6M8Z-6K297-BA | Guide (6K297) | 1 | Guide | Amazon eBay |
| 8E5Z-6010-A | Front Cover | 1 | Cover | Amazon eBay |
| 8E5Z-6051-C | Head Gasket | 1 | Gasket | Amazon eBay |
| 8E5Z-6108-AA | Pistons | 4 | Piston | Amazon eBay |
| 8E5Z-6135-A | Piston Pins | 4 | Pin | Amazon eBay |
| 8E5Z-6140-A | Retention Piston Pin | 4 | Retention pin | Amazon eBay |
| 8E5Z-6200-A | Connecting Rod Assembly | 4 | Connecting rod | Amazon eBay |
| 8E5Z-6211-A | Bearing Connecting Rod (Green) | 8 | Bearing | Amazon eBay |
| 8E5Z-6211-B | Bearing Connecting Rod (Blue) | 8 | Bearing | Amazon eBay |
| 8E5Z-6211-C | Bearing Connecting Rod (Red) | 8 | Bearing | Amazon eBay |
| 8S4Z-6A666-A | Valve Assembly - Regulating | 1 | Valve | Amazon eBay |
| 9E5Z-6148-A | Piston Ring Kit | 4 | Ring kit | Amazon eBay |
| BB3G-6A785-AB | Crankcase vent. Assembly | 1 | Gasket | Amazon eBay |
| BB3Z-6C324-AA | Connection and Hose Ass. BB3Z-6C324-AA | 1 | Hose | Amazon eBay |
| CJ5V-6M280-A | Solenoid Assembly (6M280) | 1 | Solenoid | Amazon eBay |
| CV6Z-6279-A | Bolt, M10 x 1.5 x 30 (6279) | 1 | Bolt | Amazon eBay |
| W500211-S437 | AR Screw, M6 x 12mm (HS2) | 1 | Screw | Amazon eBay |
| W703643-S430 | AR Screw, M6 x 23.0 (HS1) | 1 | Screw | Amazon eBay |
| W703649-S300 | AR Hardware- Misc., 10 x 40mm pin (HM1) | 1 | Hardware | Amazon eBay |
| 17A084 | Engine Lifting Eye (Rear) | 3 | 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
Reference — 92ab5b a0d38e19d1044a8c9e72a92f8412a41b (Cummins/Onan)Parts manual — 92ab5b 41bd3969f64c424bbc8253b32d816ba4 (Cummins/Onan)