Service parts for the M1166
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredCooling system
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 | — | 1500 hr | |||
| Fuel filter | — | 2000 hr | |||
| Fuel filter | Fuel Filter/ Water Separator | RG13299 | Amazon eBay | ||
| Oil filter | — | 2000 hr | |||
| Battery | — | 2400 hr | |||
| Belt | — | 1500 hr | |||
| Coolant | — | 2400 hr | |||
| Coolant filter | Pint - Part Number...............20-00002 | 20-00002 | Amazon eBay | ||
| Oil | — | 1500 hr | |||
| Spark plug | — | 1500 hr |
Common questions
What fuel filter fits the Northern Lights M1166?
The Northern Lights M1166 uses fuel filter part number RG13299.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine Hard to Start or Will Not Start | Engine starting under load; Improper starting procedure | See starting section of this manual. Take special note of Bypass Switch operation. |
| Engine Hard to Start or Will Not Start | No fuel | Check level of fuel in fuel tank. |
| Engine Hard to Start or Will Not Start | Low battery output | Check electrolyte level and condition. |
| Engine Hard to Start or Will Not Start | Excessive resistance in starting circuit | Clean and tighten all battery connections. |
| Engine Hard to Start or Will Not Start | Crankcase oil too heavy | Use oil of proper viscosity. |
| Engine Hard to Start or Will Not Start | Improper type of fuel | Consult fuel supplier and use proper type of fuel for operating condition. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Northern Lights M1166 troubleshooting guide (90 entries) →
Parts
12| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 20-00002 | Pint - Part Number...............20-00002 | 1 | Fluid | Amazon eBay |
| 20-00003 | 1/2 gallon - Part Number.....20-00003 | 1 | Fluid | Amazon eBay |
| RG11620 | Rocker Arm Cover Capscrews Torque Wrench | Torque wrench | Amazon eBay | |
| RG13298 | Fuel Transfer Pump Outlet, Hand Primer, Fuel Line Fitting | Fuel line fitting | Amazon eBay | |
| RG13299 | Fuel Filter/ Water Separator | Fuel filter | Amazon eBay | |
| RG13319 | High Pressure Common Rail Fuel System Components | High pressure common rail fuel system components | Amazon eBay | |
| RG7508 | Check Runout | Dial indicator | Amazon eBay | |
| RG8018 | Crankshaft Vibration Damper Assembly | Crankshaft vibration damper | Amazon eBay | |
| 20-00005 | 4 Pack - Part Number.......................20-00005 | 4 | Service part / kit | Amazon eBay |
| 20-00010 | 50 Pack - Part Number.....................20-00010 | 50 | Service part / kit | Amazon eBay |
| OM1166 | Operator's Manual for Models: M1166AMCA and M1166AR | 1 | Service part / kit | Amazon eBay |
| OM1166-1/13 | Component Locations | 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.