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 bolt, flywheel, part number 15321-25163 — Alpine Equipment 15321-25163 BOLT, FLYWHEEL $18.01 Genuine Kubota cover, fuel camshaft, part number 15225-16214 — Alpine Equipment 15225-16214 COVER, FUEL CAMSHAFT $44.09 Genuine Kubota collar, part number 15225-16190 — Alpine Equipment 15225-16190 COLLAR $10.64 Genuine Kubota cover, part number 15223-83340 — Alpine Equipment 15223-83340 COVER $6.57 Genuine Kubota bolt, part number 15221-66410 — Alpine Equipment 15221-66410 BOLT $17.32 Genuine Kubota gear, ring, part number 15221-63820 — Alpine Equipment 15221-63820 GEAR, RING $181.67 Genuine Kubota cir-clip, gov. b.case, part number 15221-55740 — Alpine Equipment 15221-55740 CIR-CLIP, GOV. B.CASE $0.71 Genuine Kubota bracket, rocker arm, part number 15221-14353 — Alpine Equipment 15221-14353 BRACKET, ROCKER ARM $25.10 Genuine Kubota washer, roc/arm.shaft, part number 15221-14430 — Alpine Equipment 15221-14430 WASHER, ROC/ARM.SHAFT $0.25 Genuine Kubota stopper, camshaft, part number 15221-16270 — Alpine Equipment 15221-16270 STOPPER, CAMSHAFT $18.57 Genuine Kubota holder, fork lever, part number 15221-56230 — Alpine Equipment 15221-56230 HOLDER, FORK LEVER $52.32 Genuine Kubota plug, part number 15221-33610 — Alpine Equipment 15221-33610 PLUG $3.06 Genuine Kubota hook, engine, part number 15221-01750 — Alpine Equipment 15221-01750 HOOK, ENGINE $4.70 Genuine Kubota spring, rocker arm, part number 15221-14310 — Alpine Equipment 15221-14310 SPRING, ROCKER ARM $0.93 Genuine Kubota cir-clip, gov. sleeve, part number 15221-55470 — Alpine Equipment 15221-55470 CIR-CLIP, GOV. SLEEVE $0.57 Genuine Kubota stopper, f-camshaft, part number 15221-16320 — Alpine Equipment 15221-16320 STOPPER, F-CAMSHAFT $3.19 Genuine Kubota nut, part number 15021-14240 — Alpine Equipment 15021-14240 NUT $2.18 Genuine Kubota bolt, part number 11460-93310 — Alpine Equipment 11460-93310 BOLT $3.30 Genuine Kubota spring, part number 11460-63120 — Alpine Equipment 11460-63120 SPRING $5.42 Genuine Kubota bearing, part number 11460-63530 — Alpine Equipment 11460-63530 BEARING $22.26 Genuine Kubota bearing, part number 11460-63500 — Alpine Equipment 11460-63500 BEARING $22.26 Genuine Kubota retainer, part number 11460-63110 — Alpine Equipment 11460-63110 RETAINER $7.80 Genuine Kubota bolt, part number 11197-63320 — Alpine Equipment 11197-63320 BOLT $12.38 Genuine Kubota GEAR(2), part number 11460-63270 — Alpine Equipment 11460-63270 GEAR(2) $39.10 Genuine Kubota assy holder, brush, part number 11197-63380 — Alpine Equipment 11197-63380 ASSY HOLDER, BRUSH $47.54 Genuine Kubota assy armature, part number 11197-63070 — Alpine Equipment 11197-63070 ASSY ARMATURE $489.08 Genuine Kubota bearing, ball(radial), part number 08153-06205 — Alpine Equipment 08153-06205 BEARING, BALL(RADIAL) $18.54 Genuine Kubota ball, part number 07715-03205 — Alpine Equipment 07715-03205 BALL $0.17 Genuine Kubota ball, part number 07715-00403 — Alpine Equipment 07715-00403 BALL $2.64 Genuine Kubota ball, part number 07715-00401 — Alpine Equipment 07715-00401 BALL $0.17 Genuine Kubota cap, sealing, part number 06311-85018 — Alpine Equipment 06311-85018 CAP, SEALING $2.18 Genuine Kubota key, feather, part number 05712-00720 — Alpine Equipment 05712-00720 KEY, FEATHER $1.54 Genuine Kubota key, feather, part number 05712-00525 — Alpine Equipment 05712-00525 KEY, FEATHER $1.47 Genuine Kubota plug, part number 06311-55010 — Alpine Equipment 06311-55010 PLUG $2.01 Genuine Kubota pin, spring, part number 05411-00414 — Alpine Equipment 05411-00414 PIN, SPRING $0.64 Genuine Kubota pin, spring, part number 05411-00528 — Alpine Equipment 05411-00528 PIN, SPRING $0.86 Genuine Kubota pin, straight, part number 05012-01018 — Alpine Equipment 05012-01018 PIN, STRAIGHT $1.07 Genuine Kubota pin, straight, part number 05012-00612 — Alpine Equipment 05012-00612 PIN, STRAIGHT $0.60 Genuine Kubota pin, straight, part number 05012-00408 — Alpine Equipment 05012-00408 PIN, STRAIGHT $0.37 Genuine Kubota o ring, part number 04814-00060 — Alpine Equipment 04814-00060 O RING $1.20 Genuine Kubota washer, plain, part number 04012-50080 — Alpine Equipment 04012-50080 WASHER, PLAIN $0.23 Genuine Kubota screw, pan head, part number 03054-50510 — Alpine Equipment 03054-50510 SCREW, PAN HEAD $0.27 Genuine Kubota nut, part number 02114-50080 — Alpine Equipment 02114-50080 NUT $0.93 Genuine Kubota nut, flange, part number 02761-50060 — Alpine Equipment 02761-50060 NUT, FLANGE $0.38 Genuine Kubota nut, part number 02176-50100 — Alpine Equipment 02176-50100 NUT $0.54 Genuine Kubota bolt, flange, part number 01754-50885 — Alpine Equipment 01754-50885 BOLT, FLANGE $3.70 Genuine Kubota bolt, flange, part number 01754-51075 — Alpine Equipment 01754-51075 BOLT, FLANGE $3.65 Genuine Kubota bolt, flange, part number 01754-50830 — Alpine Equipment 01754-50830 BOLT, FLANGE $2.99

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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