Lubrication & Cooling Systems
Emergency Replacement Water Pump Thermostat Kit – Fits Kubota D1005
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Lubrication & Cooling Systems 16251-73032 Cooling System For Kubota

Emergency Replacement Water Pump Thermostat Kit – Fits Kubota D1005

16251-73032 Water Pump & Thermostat Kit, Fits Kubota D1005, D1105, D1305 Engines β€” ready to ship from our Guangzhou warehouse for fast replacement of failed cooling components.

  • Single-piece MOQ available for urgent repair orders, no minimum volume required
  • Stock dispatched within 2-5 working days via DHL, FedEx or air freight with real-time tracking
  • Send a photo of your machine nameplate or model number for fitment confirmation within 2 hours
  • Compatible with Kubota B-series tractors, KX61-2 excavator and industrial V1305 applications
  • 3-12 month warranty covers manufacturing defects, with photo-based claim resolution

Cross-reference part numbers 16251-73030, 15531-73014 and 16851-73270 verified for interchange; arrival timing confirmed at quote.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece Β· In-stock items ship in 2-5 working days
  • 3-12 month warranty Β· 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

In Stock & Ready β€” Kubota water pump and thermostat kit sitting on our Guangzhou shelf, waiting for your machine model or nameplate photo to confirm the right variant.

Technical Specifications

Parameter Value
Part Number 16251-73032, 16251-73030, 15531-73014, 15531-73010, 15531-73011, 15531-73013, 16851-73270, 15676-73270
Product Type Water Pump & Thermostat Kit
Cross-Reference (reference only) 1625173032, 1625173030, 1553173014, 1553173010, 1553173011, 1553173013, 1685173270, 1567673270
Kit Contents Water pump, thermostat, thermostat gasket
Compatible Engines Kubota D1005, D1105, D1305, D905, V1305, V1505
Condition New Aftermarket
Standard ISO 9001
Warranty 3–12 months against manufacturing defects

Application Suitability

Failure Symptom Replacement Urgency
Engine overheating under load, coolant temperature climbing past normal range Immediate β€” machine should not run until cooling circuit is restored
Coolant leak at water pump weep hole or shaft seal High β€” progressive coolant loss risks head gasket damage
Thermostat stuck closed, slow warm-up or no cabin heat Same-day replacement to prevent thermal stress on block
Pump impeller cavitation noise or reduced flow Scheduled β€” replace before catastrophic seal failure

What Arrives Before the Machine Can Move Again

A ready-to-ship water pump and thermostat kit eliminates the wait between diagnosis and repair.

Every hour a Kubota excavator or tractor sits idle costs real money on the job site. The delay rarely comes from the wrench work β€” it comes from waiting for someone to confirm whether the part number on a faded nameplate still maps to a current production number. I have seen repair bays hold machines for days just because a thermostat reference was superseded across engine generations and the supplier could not verify the swap. A Kubota water pump thermostat kit in stock fast shipping is only useful if the kit actually fits the specific D1005, D1105, or D1305 build sitting on your floor. [NEED_CITE: equipment downtime cost analysis for compact construction machinery]

Cross-referencing superseded numbers and confirming variant differences before dispatch is where the time really gets saved or lost.

How We Confirm the Right Kit in Under Two Hours

Send a photo of the machine nameplate, the old part, or the stamped number on the pump housing. Our Guangzhou warehouse team cross-checks the identifier against the full supersession chain for Kubota D905 through V1505 engines. The same base thermostat number can appear in several variants depending on production year and engine serial range, so we verify the exact match before pulling stock. This Kubota water pump thermostat kit in stock fast shipping workflow means you get a confirmed fit answer, not a guess.

Dispatch Timeline and Freight Options

Once the part number is confirmed, the kit leaves our Guangzhou warehouse within the standard dispatch window. Express couriers handle single-kit emergency orders with door-to-door tracking, so the workshop supervisor can plan the teardown around the confirmed arrival. For site-based repairs where the machine cannot be moved, we quote freight options with estimated transit windows at the time of order. [NEED_CITE: international express freight transit time standards for machinery parts]

Reading the Spec Sheet for Cooling Kits

The water pump in this kit is designed to restore original flow rate and head pressure for Kubota D1005, D1105, and D1305 cooling circuits. Flow rate directly controls how quickly heat transfers from the cylinder head to the radiator β€” an undersized pump lets coolant temperature creep upward under sustained load. The thermostat opens at the engineered temperature threshold to regulate warm-up speed and steady-state operating range. A thermostat that opens too early wastes fuel on cold running; one that opens late risks localized boiling in the cylinder head. The included gasket seals the thermostat housing to prevent coolant seepage that can mask a deeper leak. [NEED_CITE: diesel engine cooling system thermostat operating temperature specifications]

Kubota water pump and thermostat kit with gasket laid out for pre-installation check

The Real Cost of Ordering the Wrong Variant

A thermostat with the wrong opening temperature does not fail dramatically β€” it runs the engine slightly hot or slightly cold for weeks before the operator notices. By then, fuel consumption has drifted, coolant has been topping up more often, and the head gasket has been cycling through thermal stress it was not designed for. A water pump with an incorrect impeller profile fits the housing but moves less coolant per revolution, so overheating only shows up under full load. These silent mismatches are why we verify every kit against the engine serial range before it ships. [NEED_CITE: thermal cycling fatigue in diesel engine cylinder heads]

Why Source This Kit Here

Our Guangzhou warehouse stocks this Kubota water pump thermostat kit in stock fast shipping for immediate dispatch, so there is no lead time guessing. Single-piece orders ship the same way as bulk β€” no minimum order quantity blocking a one-machine emergency repair. We identify the correct variant from a part number, a machine model, or a photograph of the nameplate when the stamping is worn. Self-produced lines and sourced supply all carry the same QC and warranty terms under one account. Cross-reference verification covers superseded and alternate numbers so the kit that arrives is the kit that fits.

Documentation & Verification

  • Commercial invoice and packing list with full kit contents itemized
  • Part compatibility and cross-reference sheet marked reference only for each OEM number
  • Quality inspection record covering pump shaft runout and thermostat opening check
  • Warranty terms included with every dispatch, 3–12 months coverage
  • Packing photographs sent before the carton leaves the warehouse

Stock, Shipping & Arrival

  • Kit currently in Guangzhou warehouse stock, status confirmed at time of inquiry
  • Express courier and air freight options quoted with transit window on the same day
  • Single-kit carton packed for courier handling, no pallet minimum required
  • Tracking number provided at dispatch with estimated delivery date

Inquiries β€” What to Send Us

Provide the part number from the old pump or thermostat, the Kubota machine model, or a photograph of the engine nameplate. If the nameplate is painted over or worn, a photo of the engine block casting number helps us narrow the serial range. We reply with confirmed stock status, the exact variant match, and available freight options with transit estimates.

Frequently Asked Questions

Q: Is this water pump and thermostat kit in stock right now? A: Yes, this kit is stocked in our Guangzhou warehouse for immediate dispatch. Stock status is confirmed at the time of inquiry, and we pull the specific variant matched to your engine serial range before the carton is sealed.

Q: What is the minimum order quantity? A: One piece. We ship single-kit orders for emergency repairs the same way we handle bulk β€” there is no minimum threshold that blocks a single-machine repair.

Q: How quickly will the kit arrive after ordering? A: Dispatch from Guangzhou typically happens within the standard processing window. Express courier delivery transit time depends on destination; we quote the estimated arrival at the time of order so you can plan the repair.

Q: The nameplate on my Kubota engine is unreadable β€” can you still identify the right kit? A: Send a photograph of the engine block, the old part, or any visible casting number. We cross-check against the D1005, D1105, D1305, D905, V1305, and V1505 engine ranges to confirm the correct variant.

Q: What if the kit does not match my machine when it arrives? A: Contact us with photos of the received parts and your machine details. We resolve mismatches under our warranty terms and arrange the correct replacement based on updated fitment verification.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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