Kubota D1503 Engine Parts

Alpine Equipment stocks OEM and aftermarket parts for the Kubota D1503 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 D1503 engine or a full rebuild? Call our factory-certified Kubota team at (801) 701-7394.

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Kubota D1503 diesel engine — genuine parts from Alpine Equipment Repair
  • Cylinders3
  • Displacement91.47 cu.in.
  • Bore & Stroke3.27 x 3.64 in
  • Rated Output31.9–33.4 HP
  • Max Torque70–75.2 lb-ft
  • AspirationNaturally aspirated
  • Dry Weight326–374 lbs

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

Kubota D1503 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

D1503 Engine Parts (502 parts)

Genuine Kubota float, part number 1G311-43250 — Alpine Equipment 1G311-43250 FLOAT $3.50 Genuine Kubota seal,oil, part number 16691-57980 — Alpine Equipment 16691-57980 SEAL,OIL $6.04 Genuine Kubota sleeve, part number 68271-65920 — Alpine Equipment 68271-65920 SLEEVE $1.58 Genuine Kubota rotor, part number 66436-64040 — Alpine Equipment 66436-64040 ROTOR $329.11 Genuine Kubota terminal 1, part number 68271-65910 — Alpine Equipment 68271-65910 TERMINAL 1 $1.58 Genuine Kubota plug, part number 34150-27580 — Alpine Equipment 34150-27580 PLUG $1.36 Genuine Kubota plug, part number 32210-27580 — Alpine Equipment 32210-27580 PLUG $1.36 Genuine Kubota cover, part number 31220-14170 — Alpine Equipment 31220-14170 COVER $5.53 Genuine Kubota collar, idle gear, part number 1J854-24370 — Alpine Equipment 1J854-24370 COLLAR, IDLE GEAR $43.49 Genuine Kubota lever, engine stop, part number 1J818-57720 — Alpine Equipment 1J818-57720 LEVER, ENGINE STOP $22.26 Genuine Kubota lever, comp(engine st, part number 1J818-57710 — Alpine Equipment 1J818-57710 LEVER, COMP(ENGINE ST $24.83 Genuine Kubota lever, assy(engine st, part number 1J818-57700 — Alpine Equipment 1J818-57700 LEVER, ASSY(ENGINE ST $97.28 Genuine Kubota packing(x-ring), part number 1J818-96940 — Alpine Equipment 1J818-96940 PACKING(X-RING) $3.13 Genuine Kubota bearing, ball(radial), part number 1G916-51750 — Alpine Equipment 1G916-51750 BEARING, BALL(RADIAL) $16.63 Genuine Kubota cap, part number 1G911-54270 — Alpine Equipment 1G911-54270 CAP $5.95 Genuine Kubota bolt, flywheel, part number 1G916-25160 — Alpine Equipment 1G916-25160 BOLT, FLYWHEEL $16.78 Genuine Kubota shaft, fork lever, part number 1G911-56150 — Alpine Equipment 1G911-56150 SHAFT, FORK LEVER $15.83 Genuine Kubota assy bolt, adjust, part number 1G911-54100 — Alpine Equipment 1G911-54100 ASSY BOLT, ADJUST $6.31 Genuine Kubota nut, part number 1G911-92010 — Alpine Equipment 1G911-92010 NUT $11.42 Genuine Kubota plug, part number 1G896-33610 — Alpine Equipment 1G896-33610 PLUG $1.60 Genuine Kubota case, governor ball, part number 1G896-55690 — Alpine Equipment 1G896-55690 CASE, GOVERNOR BALL $28.64 Genuine Kubota sleeve, governor, part number 1G896-55450 — Alpine Equipment 1G896-55450 SLEEVE, GOVERNOR $22.76 Genuine Kubota manifold, exhaust, part number 1G866-12310 — Alpine Equipment 1G866-12310 MANIFOLD, EXHAUST $168.64 Genuine Kubota cover, bearing case, part number 1G851-04813 — Alpine Equipment 1G851-04813 COVER, BEARING CASE $53.34 Genuine Kubota housing, flywheel, part number 1G850-04614 — Alpine Equipment 1G850-04614 HOUSING, FLYWHEEL $1,028.75 Genuine Kubota kit METAL(04), part number 1G842-23770 — Alpine Equipment 1G842-23770 KIT METAL(04) $417.34 Genuine Kubota bolt, sems, part number 1G841-91010 — Alpine Equipment 1G841-91010 BOLT, SEMS $3.83 Genuine Kubota label pump, part number 1G790-87210 — Alpine Equipment 1G790-87210 LABEL PUMP $0.89 Genuine Kubota kit METAL(02), part number 1G842-23760 — Alpine Equipment 1G842-23760 KIT METAL(02) $417.34 Genuine Kubota comp.flange, water, part number 1G790-72704 — Alpine Equipment 1G790-72704 COMP.FLANGE, WATER $151.55 Genuine Kubota assy lever, fork, part number 1G780-56052 — Alpine Equipment 1G780-56052 ASSY LEVER, FORK $366.38 Genuine Kubota assy cover, cyl.head, part number 1G750-14507 — Alpine Equipment 1G750-14507 ASSY COVER, CYL.HEAD $232.50 Genuine Kubota gasket, cyl.head na, part number 1G720-03310 — Alpine Equipment 1G720-03310 GASKET, CYL.HEAD NA $101.75 Genuine Kubota terminal, part number 1C010-65910 — Alpine Equipment 1C010-65910 TERMINAL $2.17 Genuine Kubota connector, part number 1C010-65880 — Alpine Equipment 1C010-65880 CONNECTOR $16.98 Genuine Kubota metal, side 2, 04, part number 1A091-23980 — Alpine Equipment 1A091-23980 METAL, SIDE 2, 04 $33.90 Genuine Kubota gear, cam, part number 1A091-16513 — Alpine Equipment 1A091-16513 GEAR, CAM $86.67 Genuine Kubota metal, side 1, 04, part number 1A091-23960 — Alpine Equipment 1A091-23960 METAL, SIDE 1, 04 $29.31 Genuine Kubota assy case, brg MAIN2, part number 1A091-07055 — Alpine Equipment 1A091-07055 ASSY CASE, BRG MAIN2 $175.65 Genuine Kubota metal, 1.C/SHAFT.04, part number 1A091-23920 — Alpine Equipment 1A091-23920 METAL, 1.C/SHAFT.04 $40.98 Genuine Kubota assy case, brg MAIN1, part number 1A091-07045 — Alpine Equipment 1A091-07045 ASSY CASE, BRG MAIN1 $175.65 Genuine Kubota bolt, bearing case, part number 1A091-04540 — Alpine Equipment 1A091-04540 BOLT, BEARING CASE $13.61 Genuine Kubota gear, part number 1A081-24110 — Alpine Equipment 1A081-24110 GEAR $94.80 Genuine Kubota cover, injection pump, part number 1A053-51650 — Alpine Equipment 1A053-51650 COVER, INJECTION PUMP $8.69 Genuine Kubota pulley, fan drive, part number 1A053-74280 — Alpine Equipment 1A053-74280 PULLEY, FAN DRIVE $173.25 Genuine Kubota full assy case, brg, part number 1A041-07095 — Alpine Equipment 1A041-07095 FULL ASSY CASE, BRG $175.65 Genuine Kubota bearing, ball, part number 1A021-97300 — Alpine Equipment 1A021-97300 BEARING, BALL $13.17 Genuine Kubota stay, dynamo, part number 1A033-64420 — Alpine Equipment 1A033-64420 STAY, DYNAMO $18.05

More Kubota Engine Parts

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Need pricing on a Kubota D1503 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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