Service parts for the Twin 9
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 required2.8kafmFuel filterfind
Prices 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 | — | 200 hr | |||
| Fuel filter | Fuel Filter:Elements | 2.8kafm | buy | ||
| Oil filter | — | 200 hr | |||
| Battery | check for correct polarity and voltage | — | |||
| Belt | — | ||||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | — | 5000 hr | |||
| Spark plug | — |
Common questions
What fuel filter does the Bendix Westinghouse Twin 9 use?
The Bendix Westinghouse Twin 9 uses fuel filter part number 2.8kafm.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Overheating, Engine | Fault Finding D.2 | |
| Power Lack | Fault Finding D.2 | |
| Pressure, Crankcase | Fault Finding D.2 | |
| Starting, Difficulty | Fault Finding D.2 | |
| Low cranking speed | 5, 6, 7, 8, 9, 10, #2, 13, 14, 15, 16, 17, 18, 19, 20, 22, 31, 32, 33 | |
| Will not start | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, #2, 13, 14, 15, 16, 17, 18, 19, 20, 22, 31, 32, 33 |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Bendix Westinghouse Twin 9 troubleshooting guide (28 entries) →
Parts
6| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 17ACR | Alternator model 17ACR (derated) | Alternator | Amazon eBay | |
| 18ACR | Alternator model 18ACR | Alternator | Amazon eBay | |
| 2.8kafm | Fuel Filter:Elements | 1 | Fuel filter | buy |
| 76.3544 | Air charge cooler | 1 | Service part / kit | buy |
| MS.67B | Timing Tool | 1 | Service part / kit | Amazon eBay |
| PD41B | tool for checking valve head depths relative to the cylinder head face | 1 | 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.