Service parts for the Centurion 3500
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
| Fuel | LP |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 3 kW |
| Oil capacity | 0.8 L |
Same engine, other brands
1 brandThe Generac GN-220 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Magnum | MLT4000S |
Maintenance & consumables
for the Generac GN-220| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Clean or replace paper filter | 78601 | 25 hr | Amazon eBay $17.34 NAPA $10.38 | |
| Fuel filter | Remove and replace fuel filter | 86311 | 100 hr | Amazon eBay NAPA $7.27 KuduParts $28.00 | |
| Oil filter | 70185 | 50 hr | Amazon eBay $18.99 NAPA $9.09 KuduParts $11.00 | ||
| Battery | Inspect battery posts and cables for tightness, corrosion; check battery fluid level, fill with distilled water only | — | |||
| Belt | — | ||||
| Oil | SAE 30 (summer); SAE 10W-30 acceptable substitute (summer); SAE 5W30 (winter); DO NOT USE SAE 10W-40 | — | 100 hr | ||
| Spark plug | Recommended Spark Plugs: Champion RC12YC; Spark Plug Gap 0.030 inch (0.8mm) | 72347 | 100 hr | Amazon eBay $9.99 |
Common questions
How many kW is the Generac Centurion 3500?
The Generac Centurion 3500 is rated 3 kW standby.
What engine is in the Generac Centurion 3500?
The Generac Centurion 3500 is powered by the Generac GN-220 engine.
What fuel type does the Generac Centurion 3500 take?
The Generac Centurion 3500 runs on LP.
How much oil does the Generac Centurion 3500 take?
The Generac GN-220 engine in the Generac Centurion 3500 has an oil capacity of 0.8 liters.
What oil filter does the Generac Centurion 3500 use?
The Generac Centurion 3500 uses oil filter part number 70185.
What fuel filter fits the Generac Centurion 3500?
The Generac Centurion 3500 uses fuel filter part number 86311.
What air filter does the Generac Centurion 3500 use?
The Generac Centurion 3500 uses air filter part number 78601.
Troubleshooting
5Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| UNDERSPEED - 6 FLASHES OF LED | 6 flashes of LED | Please reference Appendix 1, Troubleshooting, if this fault occurs. |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Generator runs faster than the preset limit | Please reference Appendix 1, Troubleshooting, if this fault occurs. | |
| 4 flashes of LED | Oil pressure drops below a preset level during cranking and operating | The unit should not be restarted until oil is added. Please reference Appendix 1, Troubleshooting, if this fault occurs. |
| 5 flashes of LED | The temperature exceeds approximately 284° F (140° C), initiating an engine shutdown. Please reference Appendix 1, Troubleshooting, if this fault occurs. | |
| Overheating of the engine/generator | Lack of adequate, unobstructed flow of cooling and ventilating air | Ensure adequate, unobstructed flow of cooling and ventilating air. Do not alter the installation or permit even partial blockage of ventilation provisions. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
161| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 007-91297 | STARTER CONTACTOR | 1 | Starter | eBay |
| 047290 | HOSE 3/8 ID SINGLE BRAID (16” LG) | 1 | Hose | Amazon eBay $10.00 |
| 066386 | ASSEMBLY, BRUSH HOLDER | 1 | Brush | Amazon eBay $29.83 |
| 070185 | FILTER, OIL | 1 | Oil filter | Amazon eBay $30.00 NAPA $3.59 FridayParts $45.99 |
| 070185B | FILTER, OIL | 1 | Oil filter | Amazon eBay $26.99 NAPA $9.09 |
| 072347 | SPARK PLUG | 2 | Spark plug | eBay $1.99 |
| 075281 | SWITCH, HIGH TEMPERATURE | 1 | Sensor | Amazon eBay $39.00 |
| 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 | FILTER, FUEL | 1 | Fuel filter | Amazon eBay |
| 088156 | VALVE STEM SEAL | 1 | Seal | Amazon eBay $9.48 |
| 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 | 1 | Sensor | Amazon eBay $19.57 FridayParts $31.60 |
| 0A8822 | CYLINDER HEAD GASKET | 1 | Gasket | Amazon eBay $13.96 |
| 0C4647 | GASKET, SOLENOID | 1 | Gasket | Amazon eBay $20.00 |
| 0C6069 | GASKET, DIAPHRAGM | 1 | Gasket | Amazon eBay |
| 0C8754 | ROCKER COVER GASKET | 1 | Gasket | eBay $20.00 |
| 0C9706 | STARTER ASSEMBLY | 1 | Starter | eBay |
| 0D2558 | GASKET, ALTERNATOR AIR DUCT | 1 | Gasket | Amazon eBay |
| 0D2588A | GASKET, FRONT DIVIDER | 1 | Gasket | eBay |
| 0D3262 | AIR FILTER ELEMENT | 1 | Air filter | Amazon eBay |
| 0D4511 | PRECLEANER, AIR | 1 | Air filter | Amazon 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 |
| 0D7666A | Breather Tube | 1 | Hose | eBay |
| 0D8372 | GASKET, CARB TO AIRBOX | 1 | Gasket | eBay |
| 0D8778 | ADAPTER, OIL FILTER | 1 | Oil filter | eBay $39.95 |
| 0D8981 | FILTER GASKET RV | 1 | Gasket | Amazon eBay |
| 0D9723 | ELEMENT, AIR FILTER | 1 | Air filter | Amazon eBay $16.85 NAPA $45.24 |
| 0E0017 | GASKET, MUFFLER TAIL PIPE BOX | 1 | Gasket | Amazon eBay |
| 0E0057 | "O" RING | 1 | Seal | eBay $25.16 |
| 0E3811 | SEAL, D 28 X 41.47 VITON OIL | 2 | Seal | Amazon eBay |
| 0E7585 | SPARK PLUG | 1 | Spark plug | Amazon eBay $12.77 NAPA $5.48 |
| 0F9176 | HOSE 1/4 ID | 12 in | Hose | eBay |
| 21704 | GASKET, CYLINDER HEAD | 1 | Gasket | Amazon eBay |
| 30340 | 1/4" FUEL LINE (8" LONG) | 1 | Hose | Amazon 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 eBay $18.99 NAPA $9.09 KuduParts $11.00 |
| 72347 | SPARK PLUG-CHAMPION R12YC | 1 | Spark plug | Amazon eBay $9.99 |
| 77667 | SWITCH OIL PRES 4PSI | 1 | Sensor | Amazon eBay $9.99 |
| 78601 | ELEMENT, AIR FILTER | 1 | Air filter | Amazon eBay $17.34 NAPA $10.38 |
| 78629 | GASKET, BREATHER | 2 | Gasket | Amazon eBay FridayParts $41.00 |
| 78631 | GASKET, CARB./SKIRT | 1 | Gasket | Amazon eBay $10.99 |
| 81695 | SEAL, OIL-CRANKSHAFT | 2 | Seal | Amazon eBay $15.95 NAPA $21.08 |
| 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 NAPA $7.27 KuduParts $28.00 |
| 86697 | ASSY. IGNITION SENSOR | 1 | Sensor | Amazon eBay KuduParts $32.00 |
| 86707 | GASKET, CARB/INLET ADAPTOR | 1 | Gasket | Amazon |
| 86710 | HOSE, CARB. INLET | 1 | Hose | Amazon eBay |
| 86729 | STARTER CONTACTOR 51 C2657 1 TRANSFORMER, 16V 6VA | 1 | Starter | Amazon eBay $18.99 NAPA $0.85 KuduParts $41.00 |
| 87478 | GASKET, OIL FILTER ADAPTOR | 1 | Gasket | Amazon eBay |
| 88156 | SEAL VALVE-INTAKE | 1 | Seal | Amazon eBay NAPA $22.39 |
| 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 |
| 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 eBay $25.93 NAPA $15.89 |
| 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 | C/BREAKER 2.5A.-ON | 1 | Service part / kit | eBay $25.00 NAPA $424.15 |
| 056892 | RETAINING SCREW, SPARK ARRESTOR | Service part / kit | eBay | |
| 057159 | Circuit Breaker 2.0 Amp (60Hz) | 1 | Service part / kit | eBay |
| 065795 | BATTERY CHARGER RECTIFIER | 1 | Service part / kit | Amazon eBay $33.96 |
| 073159 | BEARING | 1 | Service part / kit | Amazon eBay $15.99 NAPA $13.06 |
| 075234 | Resistor | 1 | Service part / kit | Amazon eBay $18.99 |
| 081675 | ASSEMBLY, IGNITION COIL | 1 | Service part / kit | eBay |
| 083192 | GEROTER SET | 1 | Service part / kit | eBay $15.00 |
| 087798 | SWITCH S.P.D.T. | 1 | Service part / kit | Amazon eBay $3.49 |
| 088057 | PISTON, DIA 75 | 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 NAPA $5.65 |
| 089680 | SPARK ARRESTER | 1 | Service part / kit | Amazon eBay $7.50 |
| 090145 | C/BREAKER 30A. ALL UNITS | 1 | Service part / kit | eBay $37.90 NAPA $52.80 |
| 092234 | CONTROLLER P.C.B. | 1 | Service part / kit | eBay $69.98 |
| 0922340 | CONTROLLER P.C.B. | 1 | Service part / kit | eBay |
| 0A9611 | FUSE 7.5A | 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 |
| 0C4706 | DIAPHRAGM, TWIN REGULATOR | 1 | Service part / kit | eBay |
| 0C5760K | Jet LP | 1 | Service part / kit | eBay |
| 0C5764 | SPRING, REGULATOR | 1 | Service part / kit | eBay |
| 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 |
| 0D9004A | ASSY, STATER MOTOR | 1 | Service part / kit | eBay $61.00 |
| 0E0393 | ASSEMBLY, CAP & DIPSTICK | 1 | Service part / kit | Amazon eBay $2.96 |
| 0E0683 | Tailpipe | Service part / kit | eBay | |
| 0E0724 | ASSEMBLY OIL DRAIN | 1 | Service part / kit | Amazon eBay |
| 0E1742A | LP Regulator | 1 | Service part / kit | eBay |
| 0F5022 | SOLENOID COIL, 12VDC | 1 | Service part / kit | eBay $69.99 |
| 0F5759 | Carburetor LP With Choke | 1 | Service part / kit | eBay |
| 22676 | 15 Amp Fuse | 1 | Service part / kit | Amazon eBay NAPA $40.67 |
| 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 NAPA $54.42 |
| 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 NAPA $147.31 |
| 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 NAPA $134.51 |
| 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 NAPA $119.65 |
| 92059 | STEPPER MOTOR | 1 | Service part / kit | eBay |
| 92113 | dk a_i Dh ok | 1 | Service part / kit | Amazon eBay NAPA $60.18 |
| 92234 | RV CONTROL BOARD | 1 | Service part / kit | Amazon eBay NAPA $85.94 |
| A2774A | CARBURETOR ASSEMBLY (LP) | 1 | Service part / kit | Amazon eBay |
| A4603 | FUEL SOLENOID 12VDC | 1 | Service part / kit | eBay |
| A5776 | PRESSURE RELIEF BALL | 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.
Available documents
Spec sheet — 0E2096EW (Generac)
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.