Kubota WG2503 Engine Parts

Alpine Equipment stocks OEM and aftermarket parts for the Kubota WG2503 engine — filters, gaskets, seals, pumps, water pumps, injectors, and complete rebuild components. Same-day shop pickup in Utah County; nationwide shipping.

Need pricing on a complete WG2503 engine or a full rebuild? Call our factory-certified Kubota team at (801) 701-7394.

☎ Call for Pricing — (801) 701-7394 Request a Quote
Kubota WG2503 gas engine — genuine parts from Alpine Equipment Repair
  • Cylinders4
  • Displacement152.0 cu.in.
  • Bore & Stroke3.46 x 4.031 in
  • Rated Output56.8–61.7 HP
  • Max Torque118–131.3 lb-ft
  • AspirationNaturally aspirated
  • Dry Weight430–434 lbs

Specs vary by engine variant/spec code. Confirm fitment by part number or call us.

Kubota WG2503 Manuals & Parts Diagrams

Official Kubota parts lists and service-data reference for this model. Use them to find the exact part number or spec, then search or call to order. Or browse the full Kubota manual library.

Illustrated Parts Lists

Service Data

WG2503 Engine Parts (109 parts)

Genuine Kubota SENSOR(O2), part number EG523-12240 — Alpine Equipment EG523-12240 SENSOR(O2) $243.10 Genuine Kubota bolt,flange, part number 01754-50640 — Alpine Equipment 01754-50640 BOLT,FLANGE $1.92 Genuine Kubota housing, fw, part number 1J461-04613 — Alpine Equipment 1J461-04613 HOUSING, FW $1,365.61 Genuine Kubota housing, flywheel, part number 1G850-04614 — Alpine Equipment 1G850-04614 HOUSING, FLYWHEEL $1,028.75 Genuine Kubota housing, fw, part number 1E457-04613 — Alpine Equipment 1E457-04613 HOUSING, FW $1,674.60 Genuine Kubota pulley, fan, part number 17490-74252 — Alpine Equipment 17490-74252 PULLEY, FAN $62.27 Genuine Kubota cover, thermos, part number 16669-73262 — Alpine Equipment 16669-73262 COVER, THERMOS $67.67 Genuine Kubota comp.oil pan, part number 16649-01505 — Alpine Equipment 16649-01505 COMP.OIL PAN $298.25 Genuine Kubota belt, FAN(41.0), part number 16343-97012 — Alpine Equipment 16343-97012 BELT, FAN(41.0) $33.03 EG541-12110 | KU-MUFFLER EG541-12110 KU-MUFFLER $5,419.87 Genuine Kubota pulley,fan, part number TC403-74250 — Alpine Equipment TC403-74250 PULLEY,FAN $48.50 Genuine Kubota tank, reserve assy, part number EG661-72400 — Alpine Equipment EG661-72400 TANK, RESERVE ASSY $92.34 Genuine Kubota cover,comp(fbox,top), part number EG554-65420 — Alpine Equipment EG554-65420 COVER,COMP(FBOX,TOP) $51.12 Genuine Kubota plate, part number EG554-65220 — Alpine Equipment EG554-65220 PLATE $2.49 Genuine Kubota stud M8X23, part number EG543-91490 — Alpine Equipment EG543-91490 STUD M8X23 $9.71 Genuine Kubota sensor(cam), part number EG543-68330 — Alpine Equipment EG543-68330 SENSOR(CAM) $67.81 Genuine Kubota gasket emanifold, part number EG543-12350 — Alpine Equipment EG543-12350 GASKET EMANIFOLD $15.56 Genuine Kubota gasket muffler, part number EG543-12230 — Alpine Equipment EG543-12230 GASKET MUFFLER $7.25 Genuine Kubota gasket inlet, part number EG543-11820 — Alpine Equipment EG543-11820 GASKET INLET $13.85 Genuine Kubota valve lockoff, part number EG542-99760 — Alpine Equipment EG542-99760 VALVE LOCKOFF $78.83 Genuine Kubota gauge engine oil, part number EG542-36410 — Alpine Equipment EG542-36410 GAUGE ENGINE OIL $29.20 Genuine Kubota cover exhaust, part number EG541-17340 — Alpine Equipment EG541-17340 COVER EXHAUST $100.61 Genuine Kubota manifold exhaust, part number EG541-12310 — Alpine Equipment EG541-12310 MANIFOLD EXHAUST $394.69 Genuine Kubota muffler, part number EG541-12110 — Alpine Equipment EG541-12110 MUFFLER $1,934.46 Genuine Kubota adapter ecom, part number EG526-90320 — Alpine Equipment EG526-90320 ADAPTER ECOM $175.08 Genuine Kubota cover comp top, part number EG526-65420 — Alpine Equipment EG526-65420 COVER COMP TOP $57.92 Genuine Kubota connector assy vap, part number EG525-46960 — Alpine Equipment EG525-46960 CONNECTOR ASSY VAP $13.80 Genuine Kubota adapter dst i, part number EG523-90320 — Alpine Equipment EG523-90320 ADAPTER DST I $253.82 Genuine Kubota cable,assy, part number EG523-90062 — Alpine Equipment EG523-90062 CABLE,ASSY $746.38 Genuine Kubota spark plug, part number EG523-67710 — Alpine Equipment EG523-67710 SPARK PLUG $32.23 Genuine Kubota coil ignition, part number EG523-67090 — Alpine Equipment EG523-67090 COIL IGNITION $125.78 Genuine Kubota rubber sealing mixer, part number EG523-46990 — Alpine Equipment EG523-46990 RUBBER SEALING MIXER $21.69 Genuine Kubota rubber sealing d-epr, part number EG523-46980 — Alpine Equipment EG523-46980 RUBBER SEALING D-EPR $10.56 Genuine Kubota rubber sealing d-epr, part number EG523-46970 — Alpine Equipment EG523-46970 RUBBER SEALING D-EPR $8.86 Genuine Kubota rubber sealing d-epr, part number EG523-46960 — Alpine Equipment EG523-46960 RUBBER SEALING D-EPR $5.55 Genuine Kubota valve[lockoff], part number EG523-46950 — Alpine Equipment EG523-46950 VALVE[LOCKOFF] $376.11 Genuine Kubota regulator, part number EG523-46943 — Alpine Equipment EG523-46943 REGULATOR $985.10 Genuine Kubota regulator assy, part number EG523-46923 — Alpine Equipment EG523-46923 REGULATOR ASSY $1,009.02 Genuine Kubota gasket[throttle], part number EG523-46110 — Alpine Equipment EG523-46110 GASKET[THROTTLE] $4.82 Genuine Kubota flange[inlet], part number EG523-44940 — Alpine Equipment EG523-44940 FLANGE[INLET] $24.94 Genuine Kubota sensor[tmap], part number EG523-44800 — Alpine Equipment EG523-44800 SENSOR[TMAP] $154.43 Genuine Kubota mixer,assy, part number EG523-44010 — Alpine Equipment EG523-44010 MIXER,ASSY $829.36 Genuine Kubota body,throttle,comp, part number EG523-44000 — Alpine Equipment EG523-44000 BODY,THROTTLE,COMP $654.05 Genuine Kubota GASKET[MUFFLER,2], part number EG523-12380 — Alpine Equipment EG523-12380 GASKET[MUFFLER,2] $7.89 Genuine Kubota GASKET[MUFFLER,1], part number EG523-12370 — Alpine Equipment EG523-12370 GASKET[MUFFLER,1] $7.44 Genuine Kubota sensor[knock], part number EG523-03800 — Alpine Equipment EG523-03800 SENSOR[KNOCK] $226.10 Genuine Kubota manifold[fpm], part number EG522-52070 — Alpine Equipment EG522-52070 MANIFOLD[FPM] $878.47 Genuine Kubota pump fuel, part number EG522-52020 — Alpine Equipment EG522-52020 PUMP FUEL $275.36

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Need pricing on a Kubota WG2503 engine or a rebuild?

We sell, exchange, and rebuild Kubota engines — and stock the parts to keep yours running. Call or send a quote request.

(801) 701-7394

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