Water Pump & Thermostat With Gasket 16251-73032 – Ready to Ship

In stock, ready to ship — Water pump and thermostat kit for Kubota D1005, D1105, D1305 engines verified against machine photos and dispatched from Guangzhou warehouse within days.

Technical Specifications

Application Suitability

What Arrives Before the Machine Can Move Again

A verified water pump and thermostat for Kubota D1005 D1105 D1305 in stock fast shipping from Guangzhou, confirmed against your machine details before dispatch.

When a compact tractor or mini excavator goes down mid-job with a cooling failure, every day spent confirming whether the right part number applies is a day the machine sits idle. We have watched repair shops lose an entire week waiting for a single-component order, only to discover on arrival that the thermostat gasket was not included and the housing cannot be resealed. A consolidated water pump and thermostat for Kubota D1005 D1105 D1305 in stock fast shipping eliminates that gap. The kit ships together so the machine gets one teardown and one reassembly. [NEED_CITE: compact diesel engine cooling system failure patterns in agricultural and light construction equipment]

Guangzhou Warehouse Availability and Single-Piece Ordering

This water pump and thermostat kit for Kubota D-series and V-series engines sits on the shelf in our Guangzhou warehouse, not in a distant factory queue. Common fast-failure cooling components for the D1005, D1105, and D1305 platform are restocked continuously because these engines power equipment that cannot wait for a production run. You can order a single kit for one downed machine — no minimum order threshold blocks an emergency repair. When a contractor calls with an overheating B2400HSD on a grading site, the conversation starts with stock confirmation, not a volume negotiation.

Part Identification From Photographs and Cross-Reference Verification

Nameplates on agricultural tractors and compact excavators fade, get painted over, or corrode past readability after seasons in muddy field conditions. When the plate is gone, identification depends on the engine series, the machine model, or a clear photograph of the old component. We cross-reference the number stamped on the removed water pump against superseded and alternate references — 16251-73032 (cross-reference only) may appear on your part as 16251-73030, and both resolve to the same replacement. The thermostat reference 15531-73014 (cross-reference only) similarly supersedes earlier numbers like 15531-73010 and 15531-73011. Sending a photo of the old part alongside the machine model is often faster than deciphering a worn stamping. [NEED_CITE: equipment nameplate degradation and part identification challenges in field-maintained machinery]

Specifying the Cooling Kit for D-Series and V-Series Engines

The water pump in this kit matches the belt-driven configuration used across Kubota D905, D1005, D1105, D1305, V1305, and V1505 engines. These are indirect-injection diesel blocks operating at sustained thermal loads typical of tractor PTO work and compact excavator hydraulic circuits. The thermostat opens at a calibrated temperature to regulate coolant flow between the block and the radiator, and the included gasket — referenced as 16851-73270 or 15676-73270 (cross-reference only) — seals the housing flange to prevent external leaks. A pump with the correct shaft seal and bearing specification handles the side load imposed by the drive belt without premature wear. Matching the thermostat opening temperature to the engine series matters: a thermostat that opens too early prevents the block from reaching efficient operating temperature, while one that opens too late causes localized boiling in the cylinder head passages.

The Hidden Cost of Ordering Components Separately

Ordering the water pump from one supplier and the thermostat from another creates two shipments, two tracking numbers, and two arrival windows that almost never align. The pump arrives first, but the machine stays down because the thermostat gasket is still in transit. By the time everything is on the bench, the repair shop has charged for two teardowns or the contractor has rented a replacement machine for the gap period. These delays are entirely preventable when the water pump and thermostat for Kubota D1005 D1105 D1305 in stock fast shipping moves as a single line item. [NEED_CITE: downtime cost accumulation in single-machine contractor operations during cooling system repair]

Why Source This Cooling Kit Here

Our selected production lines and qualified sourced supply carry the same quality control and warranty terms, so you do not need to track which facility made which component. The eight core categories in our catalog mean a repair list extending beyond cooling — filters, belts, seal kits, electrical parts — ships under one account and one consignment. The one-piece minimum order quantity means a single emergency kit moves without waiting to batch with other purchases. Guangzhou warehouse stock on these high-turnover D-series and V-series cooling components enables same-week dispatch on orders placed before the daily cutoff. Part identification from a machine model, a worn number, or a component photograph is handled by our technical team before the order ships. Cross-reference verification covers superseded numbers, so a legacy stamping on the old part does not block a correct replacement.

Documentation & Verification

• Commercial invoice and packing list itemizing water pump, thermostat, and gasket separately for customs clarity
• Part compatibility sheet listing engine series and machine models with cross-reference numbers marked as reference only
• Quality inspection record covering dimensional checks on pump shaft runout and thermostat opening temperature
• Warranty terms document specifying coverage period and defect claim procedure
• Packing photographs showing kit contents sealed and labeled before carton closure
• HS code and customs documentation support for destination-country import requirements

Stock, Shipping & Arrival

• Real-time stock confirmation provided at inquiry — if the water pump and thermostat kit is on the Guangzhou shelf, you know within hours
• Express courier delivers to most international destinations within a typical range of several business days for urgent single-kit orders
• Air freight available for multi-kit consolidation when several machines need simultaneous cooling system overhauls
• Sea freight quoted for planned stock replenishment where lead time is not the constraint
• Tracking number issued at dispatch with estimated arrival based on selected freight method
• Packaging sized for courier handling — no pallet required for single-kit express shipments

Frequently Asked Questions

Q: Is this water pump and thermostat kit in stock right now? A: Stock status is confirmed in real time against our Guangzhou warehouse inventory. These cooling components for Kubota D1005, D1105, and D1305 engines are among our fast-turnover items and are restocked continuously. Send your machine model or part number and we respond with confirmed availability and the earliest dispatch date.

Q: Can I order just one kit for an emergency repair? A: Yes. The minimum order quantity is one piece. This kit is designed for repair shops and contractors dealing with a single downed machine, not only for bulk replenishment. One water pump, one thermostat, and one gasket ship as a single line item without batching requirements.

Q: How fast can it arrive at my location? A: Transit timing depends on your destination and chosen freight method. Express courier from Guangzhou typically reaches international addresses within several business days. We quote the estimated arrival date at the time of order so you can plan the repair schedule before committing.

Q: My machine nameplate is worn — how do you confirm the right part number? A: Send a photograph of the old water pump and thermostat alongside your machine model. Our technical team cross-references the visible markings against superseded and alternate numbers for the D1005, D1105, D1305, V1305, and V1505 engine families. Engine series and machine model alone are often sufficient for positive identification.

Q: What happens if the kit does not fit when it arrives? A: Contact us immediately with photographs of the received components and your machine details. We verify the cross-reference and arrange resolution under our warranty terms. Providing your engine serial number at the order stage further reduces any mismatch risk before dispatch.