Service parts for the MLT4000S
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredIgnition
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Emissions | Phase 3 |
|---|---|
| Oil capacity | 0.95 L |
| Battery group | AGM-L16 |
| Battery cranking | 415 CCA |
| Battery voltage | 6 V |
| Battery quantity | 8 |
| Dry weight | 1234 kg |
| Fuel tank | 29.9 L |
Maintenance & consumables
for the Generac GN-220| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Filter, air - solar | 34043 | Amazon eBay | ||
| Fuel filter | Remove and replace fuel filter | 86311 | 100 hr | Amazon eBay KuduParts $28.00 | |
| Oil filter | 70185 | 50 hr | Amazon $28.95 eBay $18.99 KuduParts $11.00 | ||
| Battery | Inspect battery posts and cables for tightness, corrosion; check battery fluid level, fill with distilled water only | — | |||
| Oil | 24.0 oz | 5W-30 | 25 hr | Amazon eBay $47.95 | |
| Spark plug | Recommended Spark Plugs: Champion RC12YC; Spark Plug Gap 0.030 inch (0.8mm) | 72347 | 100 hr | Amazon $7.19 eBay $9.99 |
Common questions
What engine does the Magnum MLT4000S use?
The Magnum MLT4000S is powered by the Generac GN-220 engine.
What's the oil capacity on a Magnum MLT4000S?
The Generac GN-220 engine in the Magnum MLT4000S has an oil capacity of 0.95 liters.
What oil filter does the Magnum MLT4000S use?
The Magnum MLT4000S uses oil filter part number 70185.
What fuel filter does the Magnum MLT4000S use?
The Magnum MLT4000S uses fuel filter part number 86311.
What air filter does the Magnum MLT4000S use?
The Magnum MLT4000S uses air filter part number 34043.
Parts
132| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 007-91297 | STARTER CONTACTOR | 1 | Starter | eBay |
| 066386 | BRUSH HOLDER | 1 | Brush | Amazon eBay |
| 070185 | Oil Filter | 1 | Oil filter | Amazon $28.95 eBay $30.00 FridayParts $45.99 |
| 072347 | SPARK PLUG | 2 | Spark plug | Amazon $34.90 eBay $1.99 |
| 078631 | GASKET CARBURETOR/MANIFOLD | 1 | Gasket | eBay $10.99 |
| 080336 | OIL PICK-UP ASSEMBLY | 1 | Pump | eBay |
| 081695 | OIL SEAL | 2 | Seal | eBay |
| 0830490 | REGULATOR VOLTAGE | 1 | Avr | eBay $66.97 |
| 086254 | "O" RING | 1 | Seal | eBay |
| 086729 | CONTACTOR, STARTER | 1 | Starter | Amazon eBay $14.34 |
| 087769 | FUEL FILTER | 1 | Fuel filter | Amazon $16.88 eBay |
| 088156 | SPARK PLUG | 1 | Seal | Amazon eBay |
| 089096 | CRANKCASE GASKET | 1 | Gasket | Amazon eBay $9.99 |
| 089476 | GASKET, EXHAUST | 1 | Gasket | eBay $9.00 |
| 090051 | GASKET, MANIFOLD/HEAD | 1 | Gasket | eBay $6.99 |
| 091846 | GASKET, CARB/ADAPTOR | 1 | Gasket | eBay $12.00 |
| 091848 | GASKET, OIL PSI PAD | 1 | Gasket | eBay $29.99 |
| 094090 | SWITCH, THERMAL 293F | 1 | Sensor | eBay $14.99 |
| 0A8584 | SWITCH OIL PRESSURE | 1 | Sensor | Amazon $23.50 eBay FridayParts $31.60 |
| 0A8822 | CYLINDER HEAD GASKET | 1 | Gasket | Amazon eBay $13.96 |
| 0C8754 | ROCKER COVER GASKET | 1 | Gasket | eBay $20.00 |
| 0C9706 | STARTER ASSEMBLY | 1 | Starter | eBay |
| 0D3262 | AIR FILTER ELEMENT | 1 | Air filter | Amazon eBay |
| 0D4511 | PRECLEANER, AIR | 1 | Air filter | Amazon $9.99 eBay $39.99 FridayParts $34.99 |
| 0D7513 | PUMP, FUEL | 1 | Pump | Amazon eBay |
| 0D7515 | FUEL FILTER | 1 | Fuel filter | Amazon eBay |
| 0D7666 | BREATHER TUBE | 1 | Hose | eBay |
| 0D8372 | GASKET, CARB TO AIRBOX | 1 | Gasket | eBay |
| 0D8981 | FILTER GASKET RV | 2 | Gasket | Amazon eBay |
| 0D9723 | ELEMENT AIR FILTER | 1 | Air filter | Amazon $11.39 eBay $16.85 |
| 0E0017 | GASKET, MUFFLER TAIL PIPE BOX | 1 | Gasket | Amazon eBay |
| 21704 | GASKET, CYLINDER HEAD | 1 | Gasket | Amazon eBay |
| 30340 | 1/4" FUEL LINE (8" LONG) | 1 | Hose | Amazon $39.99 eBay |
| 34043 | Filter, air - solar | 1 | Air filter | Amazon eBay |
| 34174 | Gasket, exhaust | 1 | Gasket | Amazon eBay |
| 40173 | CLAMP, HOSE #5 35° 22473 8 FLAT WASHER 1/4" | 2 | Hose | Amazon eBay |
| 70185 | FILTER, OIL | 1 | Oil filter | Amazon $28.95 eBay $18.99 KuduParts $11.00 |
| 72347 | SPARK PLUG-CHAMPION R12YC | 1 | Spark plug | Amazon $7.19 eBay $9.99 |
| 77667 | Oil Pressure Switch | 1 | Sensor | Amazon $9.99 eBay $9.99 |
| 78601 | ELEMENT, AIR FILTER | 1 | Air filter | Amazon $25.99 eBay $17.34 |
| 78629 | GASKET, BREATHER | 2 | Gasket | Amazon eBay FridayParts $41.00 |
| 78631 | GASKET, CARBURETOR/SKIRT | 1 | Gasket | Amazon eBay $10.99 |
| 81695 | SEAL, OIL-CRANKSHAFT | 2 | Seal | Amazon eBay $15.95 |
| 825800 | 3/16" CARBURETOR LINE (4" LONG) | 1 | Hose | Amazon eBay |
| 82580D | 3/16" CARBURETOR LINE (4" LONG) | 1 | Hose | Amazon eBay |
| 83152 | GEROTOR, INNER | 1 | Pump | Amazon eBay |
| 83153 | GEROTOR, OUTER | 1 | Pump | Amazon eBay |
| 86311 | FUEL FILTER | 1 | Fuel filter | Amazon eBay KuduParts $28.00 |
| 86697 | ASSEMBLY IGNITION SENSOR | 1 | Sensor | Amazon eBay KuduParts $32.00 |
| 86707 | GASKET, CARB/INLET ADAPTOR | 1 | Gasket | Amazon eBay $18.73 |
| 86710 | HOSE, CARBURETOR INLET | 1 | Hose | Amazon eBay |
| 86729 | Contactor, Starter | 1 | Starter | Amazon eBay $18.99 KuduParts $41.00 |
| 87478 | GASKET, OIL FILTER ADAPTOR | 1 | Gasket | Amazon eBay |
| 88156 | SEAL VALVE-INTAKE | 1 | Seal | Amazon eBay |
| 89045 | SEAL, WASHER EXH. PIPE | 1 | Seal | Amazon eBay |
| 89048 | SEAL, OIL FILTER HOLE | 1 | Seal | Amazon eBay |
| 89062 | HOSE, BREATHER | 1 | Hose | Amazon eBay |
| 89096 | GASKET, CRANK CASE FLANGE | 1 | Gasket | Amazon eBay |
| 89476 | GASKET, EXHAUST | 1 | Gasket | Amazon eBay $14.82 FridayParts $272.43 |
| 90051 | GASKET, CARB/SPACER/HEAD | 2 | Gasket | Amazon eBay $6.99 |
| 90071 | O-RING, 1.062" I.D. | 1 | Seal | Amazon eBay |
| 90072 | O-RING .562" I.D. | 1 | Seal | Amazon eBay |
| 90475 | FUEL PUMP | 1 | Pump | Amazon $59.99 eBay $25.93 |
| 90536 | GASKET, AIR CLEANER OUTLET | 1 | Gasket | Amazon eBay |
| 90537 | SEAL, OIL FILTER HOLE | 1 | Seal | eBay |
| 92000 | HOSE-3/8 I.D. x 11-1/2" LONG | 1 | Hose | eBay |
| 94090 | SWITCH-THERMAL, OIL TEMP. | 1 | Sensor | Amazon eBay $19.95 |
| 94643 | GASKET, OIL DRAIN PLUG | 1 | Gasket | Amazon eBay |
| 96362 | GASKET, ROCKER COVER | 1 | Gasket | Amazon eBay |
| 96459 | GASKET, CARB/INLET/ADAPTOR | 1 | Gasket | Amazon eBay |
| 99948 | STARTER MOTOR | 1 | Starter | Amazon eBay $120.00 |
| A3638 | SEAL, WASHER EXH. PIPE | 1 | Seal | eBay |
| A8822 | GASKET, CYLINDER HEAD | 1 | Gasket | Amazon eBay |
| 023484S | BUSHING, 1.09" SNAP | 1 | Service part / kit | Amazon eBay |
| 053623 | CIRCUIT BREAKER | 1 | Service part / kit | eBay $25.00 |
| 065795 | BATTERY CHARGER RECTIFIER | 1 | Service part / kit | Amazon eBay |
| 073159 | BEARING | 1 | Service part / kit | Amazon eBay |
| 081675 | ASSEMBLY, IGNITION COIL | 1 | Service part / kit | eBay |
| 088057 | PISTON | 1 | Service part / kit | Amazon eBay $14.99 |
| 088396A | PUSH ROD | 2 | Service part / kit | eBay |
| 088401 | VALVE SPRING | 2 | Service part / kit | eBay $9.95 |
| 088411 | PISTON RING SET | 1 | Service part / kit | Amazon eBay |
| 089680 | SPARK ARRESTER | 1 | Service part / kit | Amazon eBay $7.50 |
| 090145 | CIRCUIT BREAKER 30 X 1 | 1 | Service part / kit | eBay $37.90 |
| 0922340 | CONTROLLER P.C.B. | 1 | Service part / kit | eBay |
| 0A9611 | FUSE 7.5 AMP | 1 | Service part / kit | Amazon eBay $19.99 |
| 0C3590 | EXHAUST VALVE | 1 | Service part / kit | eBay $10.95 |
| 0C3591 | INTAKE VALVE | 1 | Service part / kit | eBay $19.95 |
| 0C3592 | VALVE SPRING KEEPER | 4 | Service part / kit | eBay $24.70 |
| 0D7440 | MUFFLER | 1 | Service part / kit | eBay |
| 0D8332 | CARBURETOR | 1 | Service part / kit | eBay $45.89 |
| 0D8590 | ASSEMBLY, BI-METAL/HEATER | 1 | Service part / kit | eBay $140.00 |
| 0D8591 | SOLENOID, CHOKE | 1 | Service part / kit | eBay |
| 22676 | 15 Amp Fuse | 1 | Service part / kit | Amazon $20.06 eBay |
| 32150 | Regulator, vaporizer - LPG | 1 | Service part / kit | Amazon eBay FridayParts $91.86 |
| 32151 | Regulator, direct-operated | 1 | Service part / kit | Amazon eBay |
| 34108 | Regulator, low pressure | 1 | Service part / kit | Amazon eBay |
| 34359 | Muffler, solar - EES | 1 | Service part / kit | Amazon eBay |
| 49721 | MODULE, IGNITION | 1 | Service part / kit | eBay |
| 52617 | DRAIN PLUG, M12 x 1.75" LONG | 1 | Service part / kit | eBay |
| 65795 | Battery Charge Rectifier | 1 | Service part / kit | Amazon eBay $33.96 |
| 77604 | HOUR METER | 1 | Service part / kit | eBay $27.00 |
| 86275 | GENISTOR, TRIAC MODULE | 1 | Service part / kit | eBay |
| 86711 | MODULE, IGNITION | 1 | Service part / kit | eBay KuduParts $135.00 |
| 86714 | SCREEN, OIL PICK-UP | 1 | Service part / kit | eBay |
| 86730 | TUBE, EXHAUST OUTLET | 1 | Service part / kit | eBay |
| 86731A | ASSEMBLY, MUFFLER | 1 | Service part / kit | Amazon eBay |
| 87798 | Start/Stop Switch | 1 | Service part / kit | eBay |
| 88057 | PISTON, 75 DIA. | 1 | Service part / kit | eBay FridayParts $753.89 |
| 88411 | SET, PISTON RING (STD. SIZE) | 1 | Service part / kit | eBay |
| 89049 | ASSY., IGNITION COIL | 1 | Service part / kit | eBay $83.80 |
| 89049B | COIL, IGNITION | 1 | Service part / kit | eBay |
| 89263 | ASSEMBLY, OIL FILL CAP | 1 | Service part / kit | eBay |
| 89680 | SPARK ARRESTOR | 1 | Service part / kit | Amazon eBay $14.99 |
| 89923 | SEPARATOR, OIL BREATHER | 1 | Service part / kit | eBay |
| 90081 | VALVE, INTAKE | 1 | Service part / kit | eBay $13.99 |
| 90082 | VALVE, EXHAUST | 1 | Service part / kit | eBay |
| 90145 | 30A Circuit Breaker (all units); 30A Circuit Breaker Q-70G | 1 | Service part / kit | eBay |
| 90881A | ASSEMBLY, CARBURETOR | 1 | Service part / kit | Amazon eBay |
| 91306 | Choke Solenoid | 1 | Service part / kit | eBay |
| 92059 | STEPPER MOTOR | 1 | Service part / kit | eBay |
| 92113 | dk a_i Dh ok | 1 | Service part / kit | Amazon eBay |
| 92234 | RV CONTROL BOARD | 1 | Service part / kit | Amazon eBay |
| A2774A | CARBURETOR ASSEMBLY (LP) | 1 | Service part / kit | Amazon eBay |
| A4603 | FUEL SOLENOID 12VDC | 1 | Service part / kit | eBay |
| A5776 | BALL, OIL PRESSURE | 1 | Service part / kit | Amazon eBay $19.99 |
| A6187 | INVERTER ASSEMBLY | 1 | Service part / kit | eBay |
| A8592 | CIRCUIT BREAKER, 10A | 1 | Service part / kit | eBay |
| A961 | FUSE, 7.5A. AGC | 1 | Service part / kit | eBay |
| A9611 | FUSE, 7.5A. AGC | 1 | Service part / kit | eBay |
| A9969 | ASSEMBLY, PCB CCG | 1 | Service part / kit | eBay |
| S0881A | ASSEMBLY, CARBURETOR | 1 | Service part / kit | 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.