Service parts for the EX4500S Grouped by system, with how many of each the parts manual calls for.
Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications Fuel Gasoline Frequency 60.0 Hz Standby kVA 4 Oil capacity 1.1 L Voltage options 120/24 V Phase AC Rated current 6.3 A Battery voltage 12 V Fuel tank 19.0 L
Engine Honda GX340 Oil capacity 1.1 L Displacement 0.337 L Aspiration Forced-air Rated speed 3600 rpm
Same engine, other brands 1 brand The Honda GX340 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 Cummins/Onan 5 GRBA 378A
Maintenance & consumables for the Honda GX340 Item Spec Capacity Part # Interval Air filter — 3600 hr Fuel filter — 3600 hr Oil filter — 200 hr Battery Disconnect both generator set starting battery cables before performing maintenance. Remove the negative (-) cable first to reduce the risk of arcing. 0612-6748 Amazon eBay Belt — 3600 hr Coolant — 3600 hr Oil Honda 4-stroke oil or equivalent 1.1 L — 200 hr Spark plug NGK WlGEPR-U — 3600 hr
Common questions Which engine powers the Honda EX4500S? The Honda EX4500S is powered by the Honda GX340 engine.
Is the Honda EX4500S diesel or gas? The Honda EX4500S runs on Gasoline.
What is the oil capacity of the Honda EX4500S? The Honda GX340 engine in the Honda EX4500S has an oil capacity of 1.1 liters.
How big is the fuel tank on the Honda EX4500S? The Honda EX4500S has a 19 liter (5 US gallon) fuel tank.
What voltages is the Honda EX4500S available in? The Honda EX4500S is offered in 120/24 V, AC-phase.
Troubleshooting 6 Symptoms & remedies Symptom Cause Remedy Engine will not start — no fuel in the fuel tank No fuel in the fuel tank Refill the fuel tank Engine will not start — not enough oil in the engine (the oil alert lamp goes on when cranking the engine) Not enough oil in the engine Add the recommended oil Engine will not start — no spark from the spark plug Faulty spark plug Replace the spark plug; take the generator to an authorized HONDA dealer Engine will not start — fuel not reaching the carburetor Fuel not reaching the carburetor Clean the fuel sediment cup No electricity at the AC receptacles AC circuit breaker off Turn the AC circuit breaker on No electricity at the AC receptacles Defects in the electrical appliance or equipment Take the generator to an authorized Honda dealer
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts 44 Part # Description Qty System 11381-ZE3-801 Gasket, sump cover 1 Gasket Amazon eBay $8.99 12251-ZE3-000 Gasket, cylinder head 1 Gasket Amazon eBay $6.00 12391-ZE2-020 Gasket, rocker cover 1 Gasket Amazon eBay $13.99 eBay $21.38 15510-ZE2-033 Oil level switch 1 Sensor Amazon eBay $7.79 16220-ZA0-702 Gasket, air cleaner housing 1 Gasket Amazon FridayParts $33.22 16221-ZF6-800 Gasket, carb 1 Gasket Amazon eBay $5.99 16223-ZE3-W00 Gasket, carb insulator 1 Gasket Amazon eBay $5.95 17210-ZE3-505 Air filter 1 Air filter Amazon Amazon eBay $21.84 eBay $14.67 FridayParts $19.50 17672-ZE2-W01 Fuel strainer 1 Fuel filter Amazon eBay $12.95 eBay $12.95 FridayParts $11.00 18333-ZE3-800 Gasket, muffler pipe 1 Gasket Amazon Amazon eBay $10.78 eBay 18381-ZE2-W10 Gasket, muffler 1 Gasket Amazon eBay $10.34 eBay $14.99 28400-ZE3-W01ZA Starter assy., NEW STYLE 1 Starter Amazon eBay $15.14 28422-ZE2-W01 Starter pawl 1 Starter Amazon Amazon eBay $15.99 eBay $15.99 28434-ZE8-811 Starter pawl retainer 1 Starter Amazon eBay $21.91 28442-ZE2-W01 Starter spring 1 Starter Amazon Amazon eBay $8.99 eBay $8.99 28443-ZE2-W01 Starter pawl spring 1 Starter Amazon Amazon eBay $8.70 eBay $8.70 28451-ZE3-A02 Starter cup 1 Starter Amazon eBay $34.75 30500-ZE2-023 Ignition coil 1 Sensor Amazon eBay $12.49 eBay $55.87 FridayParts $12.11 31ZH9600 Spark arrester screen 1 Spark plug Amazon eBay 90003-ZG0-003 Starter center screw 1 Starter Amazon eBay $12.50 91201-ZE3-004 Oil seal MAG 1 Seal Amazon eBay $8.95 FridayParts $9.98 95/27.5 Rated Amps 1 Rated current a buy 95001-45300-40S Fuel line 1 Hose Amazon eBay $50.00 04108-ZE2-000 Rocker cover 1 Service part / kit Amazon eBay $19.87 13010-ZE3-003 Ring set (std) 1 Service part / kit Amazon eBay $26.00 13101-ZE3-W00 Piston (std) 1 Service part / kit Amazon eBay $29.95 FridayParts $89.99 13200-ZE3-020 Connecting rod (std) 1 Service part / kit Amazon eBay $35.95 14711-ZE3-000 Valve, intake 1 Service part / kit Amazon eBay $31.59 14721-ZE3-000 Valve, exhaust 1 Service part / kit Amazon eBay $29.54 1560-735-00 Oil cap and indicator 1 Service part / kit Amazon eBay 15600-ZG4-003 Oil cap 1 Service part / kit Amazon eBay $11.35 16100-ZE3-V01 Carb assy. 1 Service part / kit Amazon eBay $105.99 16610-ZE1-000 Choke lever 1 Service part / kit Amazon eBay $9.98 16955-ZE1-000 Fuel tank joint 1 Service part / kit Amazon eBay $19.95 FridayParts $11.50 17510-ZE3-010 Fuel tank 1 Service part / kit Amazon eBay $28.99 17620-ZH7-023 Fuel cap 1 Service part / kit Amazon eBay $9.20 KuduParts $11.00 FridayParts $13.64 18310-ZE2-W61 Muffler assy. 1 Service part / kit Amazon eBay $15.59 18320-ZE3-W01 Muffler shield 1 Service part / kit Amazon eBay $30.00 18330-ZH9-N00 Muffler pipe 1 Service part / kit Amazon eBay $19.99 19610-ZE3-010ZA Blower housing 1 Service part / kit Amazon eBay $29.07 30009010 Pilot screw 1 Service part / kit Amazon eBay 34150-ZH7-003 Diode assy 1 Service part / kit Amazon Amazon eBay $25.99 eBay $11.99 36100-ZE1-015 Switch, on/off 1 Service part / kit Amazon eBay $9.75 96100-62070-000 Ball bearing, crankshaft 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.
Available documents Owner's manual — EX4500S, Serial Number EB3-1000001-1099999 (Honda) Service manual — ml.repaw05f.engine service specifications guide (Honda) This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled .