Kubota V2403 Engine Parts

Alpine Equipment stocks OEM and aftermarket parts for the Kubota V2403 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 V2403 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 V2403 diesel engine — genuine parts from Alpine Equipment Repair
  • Cylinders4
  • Displacement148.5 cu.in.
  • Bore & Stroke3.43 x 4.031 in
  • Rated Output48.9–74.3 HP
  • Max Torque117–183.4 lb-ft
  • AspirationNaturally aspirated / Turbocharged / Turbocharged + Turbo After Cooler
  • Dry Weight406–551 lbs

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

Kubota V2403 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

V2403 Engine Parts (868 parts)

Genuine Kubota manual, op, part number 1J778-89160 — Alpine Equipment 1J778-89160 MANUAL, OP $44.02 Genuine Kubota manual, op, part number 1J783-89160 — Alpine Equipment 1J783-89160 MANUAL, OP $46.35 Genuine Kubota bolt, flange, part number 1J770-91020 — Alpine Equipment 1J770-91020 BOLT, FLANGE $0.41 Genuine Kubota tube(pressure, in), part number 1J770-18640 — Alpine Equipment 1J770-18640 TUBE(PRESSURE, IN) $15.98 Genuine Kubota tube, pipe, part number 1J751-42210 — Alpine Equipment 1J751-42210 TUBE, PIPE $5.13 Genuine Kubota bracket(wh, 11), part number 1J735-65330 — Alpine Equipment 1J735-65330 BRACKET(WH, 11) $2.41 Genuine Kubota bracket(wh, 10), part number 1J702-65330 — Alpine Equipment 1J702-65330 BRACKET(WH, 10) $0.92 Genuine Kubota clamp, hose, part number 1J508-05580 — Alpine Equipment 1J508-05580 CLAMP, HOSE $6.81 Genuine Kubota bag, plastic, part number 1J500-08180 — Alpine Equipment 1J500-08180 BAG, PLASTIC $4.34 Genuine Kubota hose inlet, part number 1J498-11640 — Alpine Equipment 1J498-11640 HOSE INLET $130.92 Genuine Kubota band assy, part number 1J498-11250 — Alpine Equipment 1J498-11250 BAND ASSY $126.46 Genuine Kubota flywheel comp, part number 1J456-25010 — Alpine Equipment 1J456-25010 FLYWHEEL COMP $1,128.61 Genuine Kubota adapter(switch, oil), part number 1J455-39050 — Alpine Equipment 1J455-39050 ADAPTER(SWITCH, OIL) $12.55 Genuine Kubota stay air cleaner, part number 1J456-11570 — Alpine Equipment 1J456-11570 STAY AIR CLEANER $192.77 Genuine Kubota flywheel comp, part number 1J461-25010 — Alpine Equipment 1J461-25010 FLYWHEEL COMP $1,081.38 Genuine Kubota valve, part number 1J456-11470 — Alpine Equipment 1J456-11470 VALVE $19.93 Genuine Kubota hook(engine, front), part number 1J237-01740 — Alpine Equipment 1J237-01740 HOOK(ENGINE, FRONT) $21.98 Genuine Kubota manual, inst, part number 1J023-89810 — Alpine Equipment 1J023-89810 MANUAL, INST $23.81 Genuine Kubota manual, inst, part number 1J021-89810 — Alpine Equipment 1J021-89810 MANUAL, INST $3.38 Genuine Kubota manual, inst, part number 1J024-89810 — Alpine Equipment 1J024-89810 MANUAL, INST $23.35 Genuine Kubota manual, inst, part number 1J020-89810 — Alpine Equipment 1J020-89810 MANUAL, INST $22.08 Genuine Kubota manual, inst, part number 1J022-89810 — Alpine Equipment 1J022-89810 MANUAL, INST $21.44 Genuine Kubota manual, inst, part number 1J017-89810 — Alpine Equipment 1J017-89810 MANUAL, INST $22.20 Genuine Kubota manual inst, part number 1J015-89810 — Alpine Equipment 1J015-89810 MANUAL INST $2.52 Genuine Kubota manual, inst, part number 1J019-89810 — Alpine Equipment 1J019-89810 MANUAL, INST $22.20 Genuine Kubota manual, inst, part number 1J018-89810 — Alpine Equipment 1J018-89810 MANUAL, INST $22.20 Genuine Kubota manual inst, part number 1J016-89810 — Alpine Equipment 1J016-89810 MANUAL INST $22.20 Genuine Kubota TUBE(OIL.4), part number 1G928-33240 — Alpine Equipment 1G928-33240 TUBE(OIL.4) $11.91 Genuine Kubota assy piston ring, part number 1G924-21052 — Alpine Equipment 1G924-21052 ASSY PISTON RING $101.47 Genuine Kubota assy piston ring, part number 1G924-21093 — Alpine Equipment 1G924-21093 ASSY PISTON RING $102.68 Genuine Kubota bolt, flywheel, part number 1G916-25160 — Alpine Equipment 1G916-25160 BOLT, FLYWHEEL $16.78 Genuine Kubota collar, part number 1G897-37090 — Alpine Equipment 1G897-37090 COLLAR $6.90 Genuine Kubota screw, part number 1G896-14230 — Alpine Equipment 1G896-14230 SCREW $2.37 Genuine Kubota cover, bearing case, part number 1G851-04813 — Alpine Equipment 1G851-04813 COVER, BEARING CASE $53.34 Genuine Kubota assy camshaft, part number 1G852-16010 — Alpine Equipment 1G852-16010 ASSY CAMSHAFT $578.93 Genuine Kubota kit METAL(04), part number 1G856-23770 — Alpine Equipment 1G856-23770 KIT METAL(04) $434.10 Genuine Kubota kit METAL(02), part number 1G856-23760 — Alpine Equipment 1G856-23760 KIT METAL(02) $379.13 Genuine Kubota pulley, fan drive, part number 1G851-74282 — Alpine Equipment 1G851-74282 PULLEY, FAN DRIVE $156.38 Genuine Kubota filter, oil, part number 1G850-32110 — Alpine Equipment 1G850-32110 FILTER, OIL $31.00 Genuine Kubota housing, flywheel, part number 1G850-04614 — Alpine Equipment 1G850-04614 HOUSING, FLYWHEEL $1,028.75 Genuine Kubota bolt, sems, part number 1G841-91010 — Alpine Equipment 1G841-91010 BOLT, SEMS $3.83 Genuine Kubota pulley, fan drive, part number 1G790-74280 — Alpine Equipment 1G790-74280 PULLEY, FAN DRIVE $139.92 Genuine Kubota comp.flange, water, part number 1G790-72704 — Alpine Equipment 1G790-72704 COMP.FLANGE, WATER $151.55 Genuine Kubota pipe, part number 1G814-73340 — Alpine Equipment 1G814-73340 PIPE $10.00 Genuine Kubota pipe(breather), part number 1G776-05650 — Alpine Equipment 1G776-05650 PIPE(BREATHER) $8.82 Genuine Kubota cover, breather, part number 1G742-05120 — Alpine Equipment 1G742-05120 COVER, BREATHER $9.21 Genuine Kubota body, water pump, part number 1G730-73412 — Alpine Equipment 1G730-73412 BODY, WATER PUMP $120.02 Genuine Kubota connector, part number 1G622-37084 — Alpine Equipment 1G622-37084 CONNECTOR $68.46

More Kubota Engine Parts

→ Kubota Industrial Engine Parts & Service hub

Need pricing on a Kubota V2403 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

Call or Text — Factory-Certified Kubota Elite Dealer

★ 4.9 Google Rating ⏱ Mon–Fri 7a–5p 🚚 Nationwide Shipping

349 S 100 W, American Fork, UT 84003 · Mon–Fri 7:00 AM – 5:00 PM · Sat by Appt