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 washer, ADJUST.1625, part number 15841-98790 — Alpine Equipment 15841-98790 WASHER, ADJUST.1625 $3.05 Genuine Kubota washer, ADJUST.1575, part number 15841-98770 — Alpine Equipment 15841-98770 WASHER, ADJUST.1575 $3.11 Genuine Kubota washer, ADJUST.1600, part number 15841-98780 — Alpine Equipment 15841-98780 WASHER, ADJUST.1600 $3.05 Genuine Kubota washer, ADJUST.1425, part number 15841-98710 — Alpine Equipment 15841-98710 WASHER, ADJUST.1425 $3.11 Genuine Kubota washer, ADJUST.1400, part number 15841-98700 — Alpine Equipment 15841-98700 WASHER, ADJUST.1400 $2.88 Genuine Kubota washer, ADJUST.1450, part number 15841-98720 — Alpine Equipment 15841-98720 WASHER, ADJUST.1450 $3.11 Genuine Kubota washer, ADJUST.1525, part number 15841-98750 — Alpine Equipment 15841-98750 WASHER, ADJUST.1525 $3.11 Genuine Kubota washer, ADJUST.1500, part number 15841-98740 — Alpine Equipment 15841-98740 WASHER, ADJUST.1500 $3.11 Genuine Kubota washer, ADJUST.1300, part number 15841-98660 — Alpine Equipment 15841-98660 WASHER, ADJUST.1300 $2.86 Genuine Kubota washer, ADJUST.1475, part number 15841-98730 — Alpine Equipment 15841-98730 WASHER, ADJUST.1475 $3.11 Genuine Kubota washer, ADJUST.1275, part number 15841-98650 — Alpine Equipment 15841-98650 WASHER, ADJUST.1275 $2.69 Genuine Kubota washer, ADJUST.1375, part number 15841-98690 — Alpine Equipment 15841-98690 WASHER, ADJUST.1375 $2.86 Genuine Kubota washer, ADJUST.1350, part number 15841-98680 — Alpine Equipment 15841-98680 WASHER, ADJUST.1350 $2.86 Genuine Kubota washer, ADJUST.1225, part number 15841-98630 — Alpine Equipment 15841-98630 WASHER, ADJUST.1225 $2.69 Genuine Kubota washer, ADJUST.1325, part number 15841-98670 — Alpine Equipment 15841-98670 WASHER, ADJUST.1325 $2.86 Genuine Kubota washer, ADJUST.1100, part number 15841-98580 — Alpine Equipment 15841-98580 WASHER, ADJUST.1100 $2.34 Genuine Kubota washer, ADJUST.1200, part number 15841-98620 — Alpine Equipment 15841-98620 WASHER, ADJUST.1200 $2.69 Genuine Kubota washer, ADJUST.1250, part number 15841-98640 — Alpine Equipment 15841-98640 WASHER, ADJUST.1250 $2.69 Genuine Kubota washer, ADJUST.1050, part number 15841-98560 — Alpine Equipment 15841-98560 WASHER, ADJUST.1050 $2.34 Genuine Kubota washer, ADJUST.1025, part number 15841-98550 — Alpine Equipment 15841-98550 WASHER, ADJUST.1025 $2.34 Genuine Kubota washer, ADJUST.1125, part number 15841-98590 — Alpine Equipment 15841-98590 WASHER, ADJUST.1125 $2.51 Genuine Kubota washer, ADJUST.1175, part number 15841-98610 — Alpine Equipment 15841-98610 WASHER, ADJUST.1175 $2.51 Genuine Kubota washer, ADJUST.1075, part number 15841-98570 — Alpine Equipment 15841-98570 WASHER, ADJUST.1075 $2.34 Genuine Kubota washer, ADJUST.1150, part number 15841-98600 — Alpine Equipment 15841-98600 WASHER, ADJUST.1150 $2.51 Genuine Kubota washer, ADJUST.0975, part number 15841-98530 — Alpine Equipment 15841-98530 WASHER, ADJUST.0975 $1.99 Genuine Kubota washer, ADJUST.0950, part number 15841-98520 — Alpine Equipment 15841-98520 WASHER, ADJUST.0950 $1.99 Genuine Kubota washer, ADJUST.0925, part number 15841-98510 — Alpine Equipment 15841-98510 WASHER, ADJUST.0925 $1.99 Genuine Kubota washer, ADJUST.1000, part number 15841-98540 — Alpine Equipment 15841-98540 WASHER, ADJUST.1000 $2.34 Genuine Kubota assy washer, adjust., part number 15841-98100 — Alpine Equipment 15841-98100 ASSY WASHER, ADJUST. $43.71 Genuine Kubota piece, distance, part number 15841-53350 — Alpine Equipment 15841-53350 PIECE, DISTANCE $10.65 Genuine Kubota washer, adjusting, part number 15841-53230 — Alpine Equipment 15841-53230 WASHER, ADJUSTING $1.74 Genuine Kubota spring, nozzle, part number 15841-53170 — Alpine Equipment 15841-53170 SPRING, NOZZLE $8.96 Genuine Kubota rod, push, part number 15841-53160 — Alpine Equipment 15841-53160 ROD, PUSH $2.26 Genuine Kubota nut, cap, part number 15841-14620 — Alpine Equipment 15841-14620 NUT, CAP $4.84 Genuine Kubota assy rocker arm, part number 15621-14030 — Alpine Equipment 15621-14030 ASSY ROCKER ARM $51.75 Genuine Kubota nut, part number 15601-92012 — Alpine Equipment 15601-92012 NUT $8.86 Genuine Kubota sleeve, governor, part number 15611-55450 — Alpine Equipment 15611-55450 SLEEVE, GOVERNOR $65.99 Genuine Kubota case, governor ball, part number 15611-55690 — Alpine Equipment 15611-55690 CASE, GOVERNOR BALL $42.20 Genuine Kubota plug, part number 15521-96030 — Alpine Equipment 15521-96030 PLUG $2.13 Genuine Kubota stud, part number 15521-91510 — Alpine Equipment 15521-91510 STUD $2.26 Genuine Kubota flange, water return, part number 15521-73320 — Alpine Equipment 15521-73320 FLANGE, WATER RETURN $35.52 Genuine Kubota screw, follow, part number 15521-51320 — Alpine Equipment 15521-51320 SCREW, FOLLOW $19.34 Genuine Kubota assy bolt, part number 15511-63760 — Alpine Equipment 15511-63760 ASSY BOLT $5.81 Genuine Kubota o ring, part number 15511-96660 — Alpine Equipment 15511-96660 O RING $13.51 Genuine Kubota cir-clip, external, part number 15451-95400 — Alpine Equipment 15451-95400 CIR-CLIP, EXTERNAL $5.23 Genuine Kubota spring, brush, part number 15401-63390 — Alpine Equipment 15401-63390 SPRING, BRUSH $1.40 Genuine Kubota joint, drain cock, part number 15291-73160 — Alpine Equipment 15291-73160 JOINT, DRAIN COCK $13.20 Genuine Kubota clip, pipe, part number 15271-42710 — Alpine Equipment 15271-42710 CLIP, PIPE $1.44

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.

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