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 spring, part number 15241-36950 — Alpine Equipment 15241-36950 SPRING $2.40 Genuine Kubota gasket,copper, part number 15221-96650 — Alpine Equipment 15221-96650 GASKET,COPPER $1.59 Genuine Kubota stud, part number 15221-91530 — Alpine Equipment 15221-91530 STUD $2.13 Genuine Kubota stud, part number 15221-88210 — Alpine Equipment 15221-88210 STUD $1.74 Genuine Kubota nut,flange, part number 15221-35682 — Alpine Equipment 15221-35682 NUT,FLANGE $3.13 Genuine Kubota plug, part number 15221-33750 — Alpine Equipment 15221-33750 PLUG $7.89 Genuine Kubota pin,pipe, part number 15221-33650 — Alpine Equipment 15221-33650 PIN,PIPE $3.02 Genuine Kubota nut,crankshaft, part number 15221-23360 — Alpine Equipment 15221-23360 NUT,CRANKSHAFT $18.14 Genuine Kubota assy collet, part number 15221-13980 — Alpine Equipment 15221-13980 ASSY COLLET $3.76 Genuine Kubota retainer,valve sp., part number 15221-13330 — Alpine Equipment 15221-13330 RETAINER,VALVE SP. $8.02 Genuine Kubota cap,valve, part number 15221-13280 — Alpine Equipment 15221-13280 CAP,VALVE $2.92 Genuine Kubota spring,valve, part number 15221-13240 — Alpine Equipment 15221-13240 SPRING,VALVE $11.84 Genuine Kubota seal,valve stem, part number 15221-13153 — Alpine Equipment 15221-13153 SEAL,VALVE STEM $4.22 Genuine Kubota cap,sealing, part number 15221-03490 — Alpine Equipment 15221-03490 CAP,SEALING $3.56 Genuine Kubota cap,sealing, part number 15221-03390 — Alpine Equipment 15221-03390 CAP,SEALING $4.40 Genuine Kubota cap,sealing, part number 15221-03380 — Alpine Equipment 15221-03380 CAP,SEALING $4.69 Genuine Kubota cap,sealing, part number 15221-03370 — Alpine Equipment 15221-03370 CAP,SEALING $3.86 Genuine Kubota gasket,copper, part number 15021-33660 — Alpine Equipment 15021-33660 GASKET,COPPER $0.71 Genuine Kubota clip,pipe, part number 14301-42750 — Alpine Equipment 14301-42750 CLIP,PIPE $3.10 Genuine Kubota nut, part number 14182-92030 — Alpine Equipment 14182-92030 NUT $1.86 Genuine Kubota cir clip, part number 14109-21330 — Alpine Equipment 14109-21330 CIR CLIP $0.71 Genuine Kubota plug,drain, part number 13901-33750 — Alpine Equipment 13901-33750 PLUG,DRAIN $2.34 Genuine Kubota assy filter,fuel, part number 12581-43012 — Alpine Equipment 12581-43012 ASSY FILTER,FUEL $9.30 Genuine Kubota filter,assy, part number 11528-43010 — Alpine Equipment 11528-43010 FILTER,ASSY $158.85 Genuine Kubota clip,pipe, part number 10244-42320 — Alpine Equipment 10244-42320 CLIP,PIPE $2.08 Genuine Kubota clamp,hose, part number 09318-88200 — Alpine Equipment 09318-88200 CLAMP,HOSE $2.13 Genuine Kubota band,hose, part number 09318-88180 — Alpine Equipment 09318-88180 BAND,HOSE $1.72 Genuine Kubota clamp,hose, part number 09318-88155 — Alpine Equipment 09318-88155 CLAMP,HOSE $1.72 Genuine Kubota ball, part number 07715-03213 — Alpine Equipment 07715-03213 BALL $0.41 Genuine Kubota key,feather, part number 05712-00728 — Alpine Equipment 05712-00728 KEY,FEATHER $1.92 Genuine Kubota key,feather, part number 05712-00410 — Alpine Equipment 05712-00410 KEY,FEATHER $1.03 Genuine Kubota pin,spring, part number 05411-00420 — Alpine Equipment 05411-00420 PIN,SPRING $0.54 Genuine Kubota pin,straight, part number 05012-00609 — Alpine Equipment 05012-00609 PIN,STRAIGHT $0.54 Genuine Kubota o ring, part number 04817-50300 — Alpine Equipment 04817-50300 O RING $1.67 Genuine Kubota o ring, part number 04817-00220 — Alpine Equipment 04817-00220 O RING $1.50 Genuine Kubota o ring, part number 04817-00160 — Alpine Equipment 04817-00160 O RING $0.89 Genuine Kubota o ring, part number 04817-00060 — Alpine Equipment 04817-00060 O RING $1.23 Genuine Kubota o ring, part number 04814-06310 — Alpine Equipment 04814-06310 O RING $1.54 Genuine Kubota o ring, part number 04811-10300 — Alpine Equipment 04811-10300 O RING $1.67 Genuine Kubota gasket,copper, part number 04724-00160 — Alpine Equipment 04724-00160 GASKET,COPPER $0.93 Genuine Kubota gasket, part number 04724-00140 — Alpine Equipment 04724-00140 GASKET $0.91 Genuine Kubota washer,seal, part number 04717-02200 — Alpine Equipment 04717-02200 WASHER,SEAL $2.59 Genuine Kubota washer with rubber, part number 04717-01000 — Alpine Equipment 04717-01000 WASHER WITH RUBBER $1.54 Genuine Kubota cir-clip,external, part number 04612-00250 — Alpine Equipment 04612-00250 CIR-CLIP,EXTERNAL $0.68 Genuine Kubota washer,plain, part number 04013-50080 — Alpine Equipment 04013-50080 WASHER,PLAIN $0.46 Genuine Kubota screw with washer, part number 03024-50520 — Alpine Equipment 03024-50520 SCREW WITH WASHER $0.38 Genuine Kubota screw,with washer, part number 03024-50510 — Alpine Equipment 03024-50510 SCREW,WITH WASHER $0.26 Genuine Kubota nut,flange, part number 02771-50100 — Alpine Equipment 02771-50100 NUT,FLANGE $2.71

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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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