In StockEngine Thermostat 1E401-73012 for Kubota U25s U27-4 R400 SCL1000 B2601 B2650 BX23S BX2380 B3350HSD ZD1211 L225 L285 L3750 L4150 L4850 L5450
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Engine Thermostat 1E401-73012 for Kubota B21

OEM / REF: 1E401-73012SKU: pilotpart275134

Engine Thermostat 1E401-73012 for Kubota U25s U27-4 R400 SCL1000 B2601 B2650 BX23S BX2380 B3350HSD ZD1211 L225 L285 L3750 L4150 L4850 L5450 is a Engine Thermostat replacement part indexed for Kubota B21 and Kubota B2301, with 3 application records on file. Match OEM part number 1E401-73012 and confirm fitment for Ku...

Stock
In stock
Condition
New
Fitment
Kubota Engine Spare Parts
Category
Thermostat
  • Fitment support before you order
  • Worldwide delivery options

Thermostat Description

This Thermostat is indexed for Kubota B21; Kubota B2301; Kubota B2320D; Kubota B2320DTN. Compare reference number 1E401-73012 against the label on your existing Kubota component before ordering.

Additional cross references on file: 15321-73910, 15231-73010, B2301. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Kubota B21
  • Kubota B2301
  • Kubota B2320D
  • Kubota B2320DTN
  • Kubota B2320DTN(-1)
  • Kubota B2320HSD
  • Kubota B26
  • Kubota B2601
  • Kubota B2620HSD
  • Kubota B2630HSD
  • Kubota B2650HSDC
  • Kubota B2710HSD
  • Kubota B2910HSD
  • Kubota B2920HSD
  • Kubota B3030
  • Kubota B3030 (Cab)
  • Kubota B3030 (Deluxe Cab)
  • Kubota B3200
  • Kubota B3350
  • Kubota B3350HSD
  • Kubota B7410D
  • Kubota B7500D
  • Kubota B7500DTN
  • Kubota B7500HSD
  • Kubota B7510D
  • Kubota B7510DN
  • Kubota B7510HSD
  • Kubota B7610HSD
  • Kubota B7800HSD
  • Kubota BX1880
  • Kubota BX2200D
  • Kubota BX22D
  • Kubota BX2350D
  • Kubota BX2360
  • Kubota BX2370
  • Kubota BX2380
  • Kubota BX23D
  • Kubota BX23S
  • Kubota BX24D
  • Kubota BX25
  • Kubota BX25D
  • Kubota BX2660D
  • Kubota BX2670
  • Kubota BX2680
  • Kubota L225
  • Kubota L2250DT
  • Kubota L225DT
  • Kubota L2350DT
  • Kubota L2350F
  • Kubota L245 High Clearance
  • Kubota L245DT
  • Kubota L245F
  • Kubota L2500DT
  • Kubota L2550 2WD
  • Kubota L2550 4WD Glide-Shift
  • Kubota L2650DT
  • Kubota L2650DT-GST
  • Kubota L2650DT-WET
  • Kubota L2650F
  • Kubota L285
  • Kubota L285 Wide
  • Kubota L2950DT
  • Kubota L2950DT-GST
  • Kubota L2950DT-WET
  • Kubota L2950F
  • Kubota L305DT
  • Kubota L305F
  • Kubota L3250DT
  • Kubota L3250F
  • Kubota L345DT
  • Kubota L355SS
  • Kubota L3750
  • Kubota L3750DT
  • Kubota L4150
  • Kubota L4150 4WD
  • Kubota L4150 4WD Narrow
  • Kubota L4850
  • Kubota L5450
  • Kubota LX2610HSD
  • Kubota LX2610HSDC
  • Kubota LX2610SUHSD
  • Kubota M4000
  • Kubota M4030
  • Kubota M4030DT
  • Kubota M4030SU
  • Kubota M4030SU-TF
  • Kubota M4050
  • Kubota M4050DT
  • Kubota M4500
  • Kubota M4500DT
  • Kubota M4950
  • Kubota M4950 2WD Synchro-Shuttle
  • Kubota M5030 4WD Dual Traction
  • Kubota M5030 Special Utility
  • Kubota M5030
  • Kubota KH-101
  • Kubota KH-151
  • Kubota KH-18(L)
  • Kubota KX018-4
  • Kubota KX151
  • Kubota KX41-2
  • Kubota KX41-2(S SERIES)
  • Kubota KX61-2
  • Kubota KX61-2(S SERIES)
  • Kubota KX71-3 Cabin
  • Kubota KX71-3 Canopy
  • Kubota KX71-3S Cabin
  • Kubota KX71-3S Canopy
  • Kubota KX91-2
  • Kubota KX91-2(S SERIES)
  • Kubota U25s
  • Kubota U27-4
  • Kubota RTV-X1120DR
  • Kubota RTV-X1140R
  • Kubota RTV-X1140W
  • Kubota RTV-X900G
  • Kubota RTV-X900R
  • Kubota RTV-X900W
  • Kubota RTV1100CR
  • Kubota RTV1100CR9
  • Kubota RTV1140 CPX
  • Kubota RTV1140CPXR
  • Kubota RTV900G
  • Kubota RTV900G6
  • Kubota RTV900G9
  • Kubota RTV900R6
  • Kubota RTV900R9
  • Kubota RTV900T
  • Kubota RTV900T6
  • Kubota RTV900T9
  • Kubota RTV900W
  • Kubota RTV900W6
  • Kubota RTV900W6SE
  • Kubota RTV900W9
  • Kubota RTV900W9SE
  • Kubota RTV900XT G General Purpose
  • Kubota RTV900XT R Recreational
  • Kubota RTV900XT T Turf
  • Kubota R400
  • Kubota SCL1000
  • Kubota ZD25F
  • Kubota ZD28F
  • Kubota ZD331LP
  • Kubota ZD1211
  • Kubota s: Kubota B Series Compact Tractor: B21, B2301, B2320D, B2320DTN, B2320DTN(-1), B2320HSD, B26, B2601, B2620HSD, B2630HSD, B2650HSDC, B2710HSD, B2910HSD, B2920HSD, B3030, B3030 (Cab), B3030 (Deluxe Cab), B3200, B3350, B7410D, B7500D, B7500DTN, B7500HSD, B7510D, B7510DN, B7510HSD, B7610HSD, B7800HSD Kubota BX Series Sub-Compact Tractor: BX1880, BX2200D, BX22D, BX2350D, BX2360, BX2370, BX2380, BX23D, BX23S, BX24D, BX25, BX25D, BX2660D, BX2670, BX2680 Kubota L Series Tractor: L225, L2250DT, L225DT, L2350DT, L2350F, L245 High Clearance, L245DT, L245F, L2500DT, L2550 2WD, L2550 4WD Glide-Shift, L2650DT, L2650DT-GST, L2650DT-WET, L2650F, L285, L285 Wide, L2950DT, L2950DT-GST, L2950DT-WET, L2950F, L305DT, L305F, L3250DT, L3250F, L345DT, L355SS, L3750, L3750DT, L4150, L4150 4WD, L4150 4WD Narrow, L4850, L5450 Kubota LX Series Tractor: LX2610HSD, LX2610HSDC, LX2610SUHSD Kubota M Series Tractor: M4000, M4030, M4030DT, M4030SU, M4030SU-TF, M4050, M4050DT, M4500, M4500DT, M4950, M4950 2WD Synchro-Shuttle, M5030 4WD Dual Traction, M5030 Special Utility, M5030 Special Utility 4WD Dual Traction Mechanical Kubota K/KX Series Excavator: KH-101, KH-151, KH-18(L), KX018-4, KX151, KX41-2, KX41-2(S SERIES), KX61-2, KX61-2(S SERIES), KX71-3 Cabin, KX71-3 Canopy, KX71-3S Cabin, KX71-3S Canopy, KX91-2, KX91-2(S SERIES) Kubota U Series Excavator: U27-4 Kubota RTV Series Utility Vehicle: RTV-X1120DR, RTV-X1140R, RTV-X1140W, RTV-X900G, RTV-X900R, RTV-X900W, RTV1100CR, RTV1100CR9, RTV1140 CPX, RTV1140CPXR, RTV900G, RTV900G6, RTV900G9, RTV900R6, RTV900R9, RTV900T, RTV900T6, RTV900T9, RTV900W, RTV900W6, RTV900W6SE, RTV900W9, RTV900W9SE, RTV900XT G General Purpose, RTV900XT R Recreational, RTV900XT T Turf Kubota SCL Stand-On Compact Loader: SCL1000 Kubota Z Series Zero Turn Mower: ZD25F, ZD28F, ZD331LP

Specifications

Part Number1E401-73012, 15321-73910, 15231-73010, 1E40173012, 1532173910, 1523173010

Fitment Notes

Brand or application signal
Kubota Engine Spare Parts
Product family
Thermostat
System category
Engine Spare Parts > Lubrication & Cooling Systems > Thermostat
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.