Lubrication & Cooling Systems
Water Pump With Gasket CH12859 for Yanmar Engine 3T80-J 3T90-J 3T90T John Deere Compact Utility Tractor 850 950 1050 900HC
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Lubrication & Cooling Systems CH12859 Water Pump With Gasket John Deere 850 Water Pump John Deere 950 Tractor Water Pump

Water Pump With Gasket CH12859 for Yanmar Engine 3T80-J 3T90-J 3T90T John Deere Compact Utility Tractor 850 950 1050 900HC

Keep your John Deere 850 or 950 tractor running cool with this reliable Water Pump CH12859, engineered to fit Yanmar 3T80-J and 3T90-J engines. The precision-machined 2" OD fan hub ensures proper belt alignment, preventing the overheating issues that cause costly downtime. Includes a high-quality gasket for a leak-free seal, so you can skip the extra trip to the parts store.

  • Direct replacement for John Deere compact utility tractors 850, 950, 1050, and 900HC
  • Designed for Yanmar 3T80-J, 3T90-J, and 3T90T engines to maintain OEM-equivalent performance
  • Ready to install with all necessary components, minimizing maintenance time

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

Product Specifications

ParameterDetails
Part NameWater Pump With Gasket
Part Number (OEM Reference)CH12859
Brand CompatibilityJohn Deere, Yanmar
Fan Hub Diameter2" OD
ConditionNew Aftermarket
Warranty3–12 months against manufacturing defects

Compatible Models

BrandApplicable Models
John Deere850, 950, 1050, 900HC Compact Utility Tractor
Yanmar3T80-J, 3T90-J, 3T90T Engine

Struggling with Engine Overheating? Replace Your John Deere Tractor Water Pump CH12859 Now

When your John Deere 850 or 950 tractor overheats during critical farming or landscaping work, every hour of downtime means lost productivity. Many operators waste time with counterfeit water pumps that fail after just a few months, or wait 2–4 weeks for overpriced OEM parts. As a 10-year experienced supplier serving 120+ countries, we understand how these delays disrupt your operations.

OEM-Equivalent Performance, Available for Immediate Shipment

Our Water Pump CH12859 is engineered to match Yanmar 3T80-J and 3T90-J engine specifications, ensuring perfect compatibility with John Deere 850, 950, 1050, and 900HC tractors. Sourced from ISO-certified factories and tested before shipment, this pump delivers the same reliability as OEM parts at a fraction of the cost. With 10,000+ SKUs in our Guangzhou warehouse, we can ship your order within 2–5 working days—no more waiting weeks for critical components.

Essential for Tractor Engine Cooling Systems

This water pump plays a vital role in maintaining optimal engine temperature during heavy-duty applications like plowing, tilling, and hauling. Whether you’re operating in hot climates or pushing your tractor to its limits, a properly functioning water pump circulates coolant to prevent overheating and engine damage. The 2" OD fan hub ensures efficient heat dissipation, making it ideal for both agricultural and utility tasks.

Engineered for Durability and Precision

Crafted with high-grade materials, our CH12859 water pump features a robust housing designed to withstand the vibrations and temperature fluctuations of diesel engine operation. The integrated gasket ensures a tight seal, preventing coolant leaks that can lead to overheating and costly repairs. Each pump undergoes rigorous performance testing to verify flow rate and pressure, guaranteeing it meets OEM-equivalent standards for long-term reliability.

Avoid the Hidden Costs of Cheap Replacements

Choosing an uncertified water pump may save money upfront, but the consequences are costly. Counterfeit parts often fail within 6–12 months, leading to二次 downtime, towing fees, and engine repairs that can exceed $1,000. Our ISO-certified CH12859 pump, backed by a 3–12 month warranty, reduces total ownership costs by minimizing replacement frequency and unexpected failures—proven by 10 years of serving global agricultural and construction operators.

Why Customers Trust XUNPO for Tractor Parts

We partner exclusively with ISO 9001-certified factories and conduct incoming material inspections to ensure quality. Every water pump undergoes pre-shipment performance testing to verify OEM-equivalent functionality. Our 20+ technical team provides part verification within 2 hours, ensuring you get the right component the first time. With 120+ countries served and a 98% customer retention rate, we’ve built our reputation on reliability and专业 support.

Packaging & Shipping

  • Protected in individual packaging with anti-vibration foam and reinforced cartons to prevent damage during transit
  • In-stock items shipped within 2–5 working days from our Guangzhou warehouse
  • Flexible shipping options: Express (DHL/FedEx/UPS), air freight, or sea freight to match your urgency and budget
  • Real-time logistics tracking provided until delivery
  • Minimum order quantity of 1 piece to support emergency repairs

Restore Your Tractor’s Performance Today

Don’t let a faulty water pump keep your John Deere tractor idle. Send us your part number (CH12859), machine model (850, 950, etc.), and quantity, and we’ll provide a competitive quote within 24 hours. First-time clients can request sample testing to verify quality. With our fast shipping and 3–12 month warranty, you’ll be back to work in no time—before the next critical farming season or project deadline.

Frequently Asked Questions

Q: Is this a genuine OEM part or aftermarket replacement?

A: This is an OEM-equivalent aftermarket water pump, manufactured by ISO-certified factories to match original specifications.

Q: How can I confirm this pump fits my Yanmar engine?

A: Provide your engine model (e.g., 3T80-J) or tractor serial number, and our technical team will verify compatibility within 2 hours.

Q: What does the warranty cover?

A: We offer a 3–12 month warranty against manufacturing defects. If the pump fails under normal use, we’ll replace it at no cost.

Q: What is the minimum order quantity?

A: We accept orders of 1 piece, ideal for emergency repairs or single-unit maintenance.

Q: How long until my order ships?

A: In-stock items ship within 2–5 working days. Express shipping takes 3–7 days to most countries, while sea freight options are available for bulk orders.

Q: Can I request a sample before placing a bulk order?

A: Yes, first-time clients can order a sample to test fit and performance before committing to larger quantities.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com

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
Get a Fast Quote

Inquire About This Product

Fill in your details and we'll respond within 24 hours with a competitive quote.

Our Response Guarantee
  • Part verification: within 2 hours
  • Full quotation: within 24 hours
  • Support available 24/7 via WhatsApp
10+
Years Export
10K+
SKUs Available
120+
Countries Served
24/7
Expert Support