Lubrication & Cooling Systems
In Stock Water Pump & Thermostat Kit for Kubota D1005/D1105 – Fast Dispatch
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Lubrication & Cooling Systems 16251-73032 Cooling System For Kubota

In Stock Water Pump & Thermostat Kit for Kubota D1005/D1105 – Fast Dispatch

16251-73032, 15531-73014, 16851-73270 Water Pump & Thermostat Kit for Kubota D1005/D1105 Engines — in stock at our Guangzhou warehouse for same-day dispatch.

  • Fits Kubota B1700, B2100, B2400, B7500, BX2200, KX61-2 and more
  • Single-piece minimum order with no bulk commitment required
  • Send a photo of your nameplate or engine model for fitment confirmation in under 2 hours
  • 82°C ±2°C thermostat opening temperature with dual-lip NBR seal rated to 110°C
  • Ships via express, air or sea freight with real-time tracking provided

Dispatch window and arrival timing confirmed at quote — no guessing on downtime.

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 · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Ready to Ship — Guangzhou warehouse holds stock of this cooling kit for immediate dispatch when your machine is already overheating and waiting on parts.

Technical Specifications

Parameter Value
Product Type Water Pump & Thermostat Kit
Cross-Reference 16251-73032, 15531-73014, 16851-73270 (for identification purposes)
Machine Fitment Kubota B1700D, B1700E, B1700HSD, B1700HSE, B21, B2100D, B2100E, B2100HSD, B2100HSE, B2400D, B2400E, B2400HSD, B2400HSE, B2410HSD, B2410HSDB, B2410HSE, B2710HSD, B2910HSD, B7500D, B7500DTN, B7500HSD, BX2200D, F2260, F2560, F2560E, F3060, KX61-2
Engine Fitment D1005, D1105, D905, D1305, V1305, V1505
Water Pump Housing Material Precision-cast aluminum alloy (A380) with T6 heat treatment
Impeller Material Centrifugally cast iron (ASTM A48 Class 30)
Seal Type Dual-lip NBR rubber (70 Shore A hardness) with spring-loaded backup
Seal Pressure Rating Continuous 1.2 bar, 110°C peak exposure
Mounting Surface Flatness ≤0.05 mm
Thermostat Opening Temperature 82°C ±2°C
Thermostat Actuator Standard JIS D2001
Thermostat Housing Stainless steel
Flow Rate Above 12 L/min at 2,800 rpm
Test Pressure 1.5 bar for 5 minutes
Condition New Aftermarket
Warranty 6-month warranty against manufacturing defects
MOQ 1 piece
Standards ISO 9001, JIS D2001, ASTM A48 Class 30

Application Suitability

Failure Symptom Replacement Urgency
Engine temperature gauge climbing into red zone during continuous load Immediate — machine must be shut down to prevent head gasket or block damage
Coolant loss with no visible external leak Same-day replacement before operator resumes work
Thermostat stuck closed causing rapid overheating after cold start Urgent — tractor or excavator cannot complete current shift
Water pump bearing noise with shaft play detected during inspection Schedule within current maintenance window before seal failure
Steam venting from radiator overflow during paddy or quarry operation Immediate field replacement required to avoid cylinder head warp

What Arrives Before the Machine Can Move Again

A complete Water Pump & Thermostat Kit replacement in stock fast shipping from Guangzhou means the cooling system goes back together in one visit.

When a Kubota D1005 or D1105 engine starts running hot on a jobsite, every hour without the correct part is an hour the tractor, mower, or mini excavator sits idle. I have taken calls at odd hours where the operator described a temperature spike but could not read the nameplate because it was painted over or corroded away. Sending a photograph of the engine block or the old pump housing is usually enough to confirm fitment within a short window, so the right Water Pump & Thermostat Kit replacement in stock fast shipping goes out before the next shift starts. Waiting days to verify a part number while the machine bleeds money is a pattern I see too often in the field [NEED_CITE: equipment downtime cost tracking in small contractor operations].

Kubota D1005 D1105 Water Pump and Thermostat Kit replacement in stock fast shipping

From Photo to Dispatch Without the Guesswork

Confirming whether this Water Pump & Thermostat Kit fits your machine does not require a legible OEM stamp. A clear photograph of the engine serial tag, the old pump mounting face, or even the machine model badge lets the technical team cross-check against the D905, D1005, D1105, D1305, V1305, and V1505 engine family. Once fitment is confirmed, the kit — pump, thermostat, and gaskets — moves to packing. This Water Pump & Thermostat Kit replacement in stock fast shipping process eliminates the back-and-forth that keeps machines down.

How Arrival Time Breaks Down

Stock leaves the Guangzhou warehouse the same day or next business day once fitment is locked in. Express courier typically reaches most destinations within several business days, while air freight and sea freight options are available for larger orders or cost-sensitive shipments. Every consignment ships with tracking details sent by email and WhatsApp, so the workshop knows exactly when to schedule the mechanic. Packaging uses individual sealed boxes with anti-static foam inside reinforced cartons, built to survive courier handling without damage to the aluminum housing or thermostat wax element [NEED_CITE: packaging standards for precision cast automotive and industrial components].

Reading the Numbers That Actually Matter

The thermostat opens at 82°C ±2°C, which matches the thermal design point of the D1005 and D1105 cooling circuits. Running a thermostat that opens too early keeps the engine below efficient operating temperature and accelerates wear; one that opens too late causes the overheating you are trying to fix. The dual-lip NBR seal rated for continuous 1.2 bar and 110°C peak exposure handles the system pressure and coolant temperature spikes that occur under heavy load in rice paddies or quarry faces. Mounting surface flatness held to 0.05 mm or better means the gasket seats evenly without relying on excessive bolt torque, which is critical on aluminum housings that distort easily. Flow above 12 L/min at 2,800 rpm keeps coolant velocity adequate across the radiator core at rated engine speed.

Water pump impeller and thermostat housing fitment detail

The Real Cost of Ordering Blind

Sending the wrong kit because a part number was guessed from an online table means the machine stays down for another delivery cycle. A pump with the wrong mounting bolt pattern or a thermostat that does not match the housing depth forces the mechanic to improvise, which leads to leaks or early failure. I have seen repair shops lose an entire week waiting for a corrected shipment while the customer's excavator or tractor sits in the yard [NEED_CITE: aftermarket part return rates and misidentification causes in off-highway equipment].

Why Buyers Come Back for the Next Breakdown

Stock on the shelf in Guangzhou means this kit does not carry a multi-week lead time. The one-piece minimum order lets a workshop order exactly what the job needs without padding the invoice. Part identification works from a part number, a machine model, a photograph, or a worn nameplate image — whichever is available on site. Cross-reference verification covers superseded numbers so an older reference still resolves to the correct current kit. A six-month warranty against manufacturing defects stands behind every unit shipped, with straightforward resolution if a fitment issue arises.

Documentation & Verification

  • Commercial invoice and packing list listing each kit component separately
  • Part compatibility sheet confirming engine series and cross-reference numbers (reference only)
  • Dimensional and pressure test record included with each shipment
  • Warranty terms covering manufacturing defects for six months from dispatch
  • Packing photographs sent before carton seal for buyer confirmation
  • HS code and customs documentation support for destination clearance

Stock, Shipping & Arrival

  • Current stock status confirmed at inquiry so dispatch timing is known before payment
  • Express courier, air freight, or sea freight quoted with estimated arrival windows
  • Anti-static foam and reinforced carton protect the aluminum housing during transit
  • Real-time tracking number delivered by email and WhatsApp on dispatch day
  • Single-piece orders ship in the same packaging standard as bulk consignments

Send the Details That Get You a Fast Answer

Provide the engine model, machine serial number, or a photograph of the existing pump and nameplate. The technical team uses that information to confirm fitment against the D1005, D1105, or related engine series and returns a stock status and delivery estimate. No need to wait for a business day or a minimum order threshold — a single kit for an emergency repair gets the same attention as a bulk order.

Frequently Asked Questions

Q: Is this kit in stock and how fast can it ship? A: This Water Pump & Thermostat Kit is stocked in the Guangzhou warehouse for common Kubota D1005 and D1105 applications. Orders confirmed with verified fitment typically dispatch the same day or next business day. Express courier delivery reaches most international destinations within several business days, while air and sea freight options are available for cost optimization on less urgent requirements.

Q: Can I order just one piece for an emergency repair? A: Yes. The minimum order quantity is one piece with no minimum order value requirement. Emergency single-unit field repairs are a regular part of the order mix, and a single kit receives the same packaging standard and dispatch priority as larger consignments. This means your machine does not have to wait while you accumulate a bulk order.

Q: My nameplate is worn off — how do I confirm this fits my machine? A: Send a photograph of the engine block, the old pump housing, or any remaining identification tag. The technical team cross-checks visual features and machine model against the D905, D1005, D1105, D1305, V1305, and V1505 engine fitment database to confirm compatibility before dispatch. Fitment confirmation typically returns within a short window.

Q: What happens if the part arrives and does not fit? A: A six-month warranty covers manufacturing defects, and fitment issues are resolved directly with the technical team. Providing machine model and engine details at the inquiry stage significantly reduces the risk of a mismatch. If an error does occur, replacement or resolution is handled without restocking complications.

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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