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 |
|---|---|---|
| Entire Electrical System Does Not Function | Loose or corroded connections, Faulty connection, Sulfated or worn out batteries | Clean and tighten loose connections, Clean and tighten battery and harness plug connections, Check specific gravity and electrolyte level of each battery cell |
| Engine Hard to Start or Will Not Start | Engine starting under load, Improper starting procedure, No fuel, Low battery output, Excessive resistance in starting circuit, Crankcase oil too heavy, Improper type of fuel, Water, dirt or air in fuel system, Clogged primary fuel filter element, Clogged secondary fuel filter element, Dirty or faulty injection nozzles, Electronic Fuel System problem (if equipped), Injection pump not getting fuel or air in fuel system | See starting section of this manual, Take special note of Bypass Switch operation, Check level of fuel in fuel tank, Check electrolyte level and condition, Clean and tighten all battery connections, Use oil of proper viscosity, Consult fuel supplier and use proper type of fuel for operating condition, Drain, flush, fill and bleed system, Clean or replace filter element, Replace filter element, Have your dealer check injection nozzles, See your dealer, Check fuel flow at supply pump or bleed fuel system |
| Battery Will Not Charge | Loose or corroded connections, Sulfated or worn out batteries, Loose or defective alternator belt | Clean and tighten battery connections, Check specific gravity of each battery cell, Check electrolyte level of each battery cell, Adjust belt tension, Replace belt |
| Undercharged Electrical System | Excessive electrical load from added accessories, Engine idling excessively, Poor electrical connections on battery, ground strap, starter, or alternator, Defective battery, Battery charging rate too high | Take off accessories or install higher output alternator, Increase the engine RPM when there is a heavy electrical load, Inspect connections and clean if necessary, Test battery, Test charging system |
| Starter Inoperative | Check DC circuit breaker, Faulty start circuit relay, Blown main system fuse, Loose or corroded connections, Low battery output, Defective electrical system ground wire | If the breaker is tripped, reset it, See dealer, Replace fuse, Clean and tighten loose battery and harness plug connection, Check specific gravity of each battery cell, Check electrolyte level of each battery cell, Repair or replace |
| Starter Cranks Slowly | Low battery output, Battery is too small, Battery cables are too small, Check specific gravity of each battery cell, Check electrolyte level of each battery cell, Crankcase oil too heavy | Battery is too small, Battery cables are too small, Replace battery if necessary, If low, fill cells with distilled water, Fill with oil of appropriate viscosity |
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 (12 entries) →
Parts
12| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 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 | |
| 20-00002 | SCA (Supplemental Coolant Additive) | 1 | Service part / kit | Amazon eBay |
| 20-00003 | SCA (Supplemental Coolant Additive) | 1 | Service part / kit | Amazon eBay |
| 20-00005 | SCA (Supplemental Coolant Additive) - 50 Pack | 50 | Service part / kit | Amazon eBay |
| 20-00010 | SCA (Supplemental Coolant Additive) | 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.