Kubota Engine Block & Crankshaft Parts

Knocking, low compression, heavy blow-by, or metal in the oil? Start here. Alpine Equipment stocks OEM and aftermarket Kubota Block & Crank parts — pistons, rings, liners, crankshafts, main bearings, connecting rods, flywheels, and gear cases — across every Kubota industrial engine we carry.

Know your part number? Search it below. Not sure what you need? Call our factory-certified Kubota team at (801) 701-7394 and we'll match it to your engine.

☎ Call for Pricing — (801) 701-7394 Request a Quote

Engine Block & Crankshaft Parts (787 parts)

Genuine Kubota gear, crankshaft, part number 15471-24110 — Alpine Equipment 15471-24110 GEAR, CRANKSHAFT $94.80 Genuine Kubota cover, gear case, part number 15469-04150 — Alpine Equipment 15469-04150 COVER, GEAR CASE $148.26 Genuine Kubota bolt, flywheel, part number 15424-25162 — Alpine Equipment 15424-25162 BOLT, FLYWHEEL $6.87 Genuine Kubota gear, oil pump drive, part number 15401-35630 — Alpine Equipment 15401-35630 GEAR, OIL PUMP DRIVE $86.59 Genuine Kubota pipe, water return, part number 15321-73340 — Alpine Equipment 15321-73340 PIPE, WATER RETURN $6.84 Genuine Kubota bolt, flywheel, part number 15321-25163 — Alpine Equipment 15321-25163 BOLT, FLYWHEEL $18.01 Genuine Kubota joint, drain cock, part number 15291-73160 — Alpine Equipment 15291-73160 JOINT, DRAIN COCK $13.20 Genuine Kubota bolt, part number 15261-91190 — Alpine Equipment 15261-91190 BOLT $1.95 Genuine Kubota pin, pipe, part number 15231-33960 — Alpine Equipment 15231-33960 PIN, PIPE $3.16 Genuine Kubota cover, part number 15223-83340 — Alpine Equipment 15223-83340 COVER $6.57 Genuine Kubota gear, ring, part number 15221-63820 — Alpine Equipment 15221-63820 GEAR, RING $181.67 Genuine Kubota plug, part number 15221-33610 — Alpine Equipment 15221-33610 PLUG $3.06 Genuine Kubota plug, drain, part number 15109-33630 — Alpine Equipment 15109-33630 PLUG, DRAIN $8.74 Genuine Kubota cir-clip, piston pin, part number 14601-21330 — Alpine Equipment 14601-21330 CIR-CLIP, PISTON PIN $0.73 Genuine Kubota assy brg case, part number 12691-07045 — Alpine Equipment 12691-07045 ASSY BRG CASE $114.88 Genuine Kubota assy brg case, part number 12691-07044 — Alpine Equipment 12691-07044 ASSY BRG CASE $116.64 Genuine Kubota plate, rear end, part number 12691-04620 — Alpine Equipment 12691-04620 PLATE, REAR END $104.51 Genuine Kubota comp.crankcase, part number 12691-01026 — Alpine Equipment 12691-01026 COMP.CRANKCASE $1,676.85 Genuine Kubota comp.crankcase, part number 12691-01025 — Alpine Equipment 12691-01025 COMP.CRANKCASE $1,676.89 Genuine Kubota support, cover, part number 12581-68850 — Alpine Equipment 12581-68850 SUPPORT, COVER $12.06 Genuine Kubota pin, piston, part number 12581-21310 — Alpine Equipment 12581-21310 PIN, PISTON $6.87 Genuine Kubota stud, part number 11233-91500 — Alpine Equipment 11233-91500 STUD $2.34 Genuine Kubota ball, part number 07715-03207 — Alpine Equipment 07715-03207 BALL $0.27 Genuine Kubota ball, part number 07715-00201 — Alpine Equipment 07715-00201 BALL $0.93 Genuine Kubota plug, part number 06331-35010 — Alpine Equipment 06331-35010 PLUG $2.01 Genuine Kubota cap, sealing, part number 06311-85025 — Alpine Equipment 06311-85025 CAP, SEALING $1.46 Genuine Kubota cap, sealing, part number 06311-85018 — Alpine Equipment 06311-85018 CAP, SEALING $2.18 Genuine Kubota plug, part number 06311-55030 — Alpine Equipment 06311-55030 PLUG $2.88 Genuine Kubota key, feather, part number 05712-00730 — Alpine Equipment 05712-00730 KEY, FEATHER $2.01 Genuine Kubota key, feather, part number 05712-00515 — Alpine Equipment 05712-00515 KEY, FEATHER $1.54 Genuine Kubota key, feather, part number 05712-00415 — Alpine Equipment 05712-00415 KEY, FEATHER $1.07 Genuine Kubota pin, straight, part number 05012-01018 — Alpine Equipment 05012-01018 PIN, STRAIGHT $1.07 Genuine Kubota pin, straight, part number 05012-01016 — Alpine Equipment 05012-01016 PIN, STRAIGHT $1.06 Genuine Kubota pin, straight, part number 05012-00820 — Alpine Equipment 05012-00820 PIN, STRAIGHT $1.06 Genuine Kubota pin, straight, part number 05012-00814 — Alpine Equipment 05012-00814 PIN, STRAIGHT $0.86 Genuine Kubota pin, straight, part number 05012-00612 — Alpine Equipment 05012-00612 PIN, STRAIGHT $0.60 Genuine Kubota pin, straight, part number 05012-00608 — Alpine Equipment 05012-00608 PIN, STRAIGHT $0.64 Genuine Kubota pin, straight, part number 05012-00508 — Alpine Equipment 05012-00508 PIN, STRAIGHT $0.37 Genuine Kubota pin, straight, part number 05012-00410 — Alpine Equipment 05012-00410 PIN, STRAIGHT $0.37 Genuine Kubota pin, straight, part number 05012-00408 — Alpine Equipment 05012-00408 PIN, STRAIGHT $0.37 Genuine Kubota gasket, part number 04724-00170 — Alpine Equipment 04724-00170 GASKET $0.98 Genuine Kubota gasket, part number 04714-00100 — Alpine Equipment 04714-00100 GASKET $0.23 Genuine Kubota packing, part number 04714-00060 — Alpine Equipment 04714-00060 PACKING $0.23 Genuine Kubota cir-clip, internal, part number 04611-00300 — Alpine Equipment 04611-00300 CIR-CLIP, INTERNAL $1.12 Genuine Kubota cir-clip, internal, part number 04611-00280 — Alpine Equipment 04611-00280 CIR-CLIP, INTERNAL $0.86 Genuine Kubota cir-clip, internal, part number 04611-00260 — Alpine Equipment 04611-00260 CIR-CLIP, INTERNAL $1.02 Genuine Kubota washer, plain, part number 04011-50180 — Alpine Equipment 04011-50180 WASHER, PLAIN $0.37 Genuine Kubota screw, binding head, part number 03017-50620 — Alpine Equipment 03017-50620 SCREW, BINDING HEAD $0.33

Browse by Engine

Looking for Engine Block & Crankshaft parts for one specific engine? Start from the engine instead — every engine page filters down by system.

→ Kubota Industrial Engine Parts & Service hub

Other Systems

Need help finding the right Engine Block & Crankshaft part?

Send us your engine model and what it's doing — we'll identify the part and quote it. Factory-certified Kubota techs, not a call center.

(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