Water Pump With Gasket CH12859 for Yanmar Engine 3T80-J 3T90-J 3T90T John Deere Compact Utility Tractor 850 950 1050 900HC
Stop downtime from coolant leaks and overheating — this CH12859 water pump...
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<p>Stop downtime and avoid OEM delays — get a direct-replacement <strong>CASE IH water pump</strong> that bolts right in, performs like new, and ships same-day from our Guangzhou warehouse. Built for high-hour tractors where coolant integrity is non-negotiable, this unit includes the critical molded rubber gasket (not just a generic O-ring) to prevent weepage at the timing cover interface — a known failure point on 234–1140 series engines.</p> <ul> <li>Fits CASE IH models: 234, 235, 244, 245, 254, 255, 265, 275, 1120, 1130, 1140</li> <li>Exact replacement for part numbers <strong>1273085C91</strong> and 1962912C1</li> <li>Pre-tested for pressure retention and bearing preload — no break-in needed</li> <li>MOQ 1 piece; express-ready for urgent field repairs</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Water Pump with Gasket |
| Part Number (OEM Reference) | 1273085C91, 1962912C1 |
| Brand Compatibility | CASE IH |
| Machine Model Fitment | 234, 235, 244, 245, 254, 255, 265, 275, 1120, 1130, 1140 |
| Condition | New Aftermarket |
| Warranty | 6 months against manufacturing defects |
| Packaging | Individual carton with protective foam |
| Brand | Applicable Models |
|---|---|
| CASE IH | 234, 235, 244, 245, 254, 255, 265, 275, 1120, 1130, 1140 |
Tractor downtime during planting or harvest season costs operators thousands per day. Many report repeated failures after installing low-cost water pumps — warped housings, cracked impellers, or gasket leaks causing coolant loss and engine overheating. OEM replacements take weeks to arrive, while counterfeit parts often lack proper casting integrity or seal geometry. Matching the correct water pump gasket kit for CASE IH 255 or 275 is rarely a one-size-fits-all task.
This CASE IH water pump delivers consistent cooling performance under real-world load cycles — validated through pre-shipment flow and pressure testing at 1.2 bar. Built by ISO 9001-certified factories with 10+ years of agricultural machinery component experience, it replaces both 1273085C91 and 1962912C1 with exact dimensional and material compliance. Our technical team cross-references each order against CASE IH service manuals before confirmation — critical when servicing high-hour 1140 or 275 tractors in field conditions.
This water pump operates continuously under high thermal cycling in demanding environments: Midwest corn belt harvests, Australian outback grain transport, and Middle Eastern cotton fields. It maintains stable coolant circulation even at sustained 85–95°C coolant temperatures and 2,200 RPM engine speeds. Correct sealing and impeller balance prevent cavitation-induced erosion — a leading cause of premature failure in CASE IH 234 tractor cooling systems.
The housing is precision-cast gray iron (ASTM A48 Class 30), providing superior thermal stability vs. aluminum alternatives. The impeller is balanced to G6.3 grade and machined from AISI 4140 steel for fatigue resistance under pulsating loads. Shaft seals meet SAE J1927 standards with dual-lip nitrile rubber rated to 120°C. Gasket set includes fiber-reinforced silicone composite for compression-set resistance across -40°C to +150°C operating range. All dimensions match CASE IH engineering drawings within ±0.05 mm tolerance — ensuring no interference with timing gear alignment or fan belt tension.
A $45 counterfeit pump may fail within 200 hours, triggering $1,200 in labor, $800 in coolant flush and refill, plus $3,500/day idle cost on a 1140 during peak harvest. Genuine-equivalent parts like this CASE IH water pump reduce total ownership cost (TCO) by extending service life to 3,000+ hours — verified across 120+ fleet operator reports. Using non-OEM-spec gaskets risks electrolytic corrosion between dissimilar metals in the cooling circuit, accelerating cylinder head warpage. We adhere strictly to CASE IH torque specs and surface finish requirements — not just appearance.
We source only from ISO 9001-certified foundries and machine shops, with incoming raw material inspection logs retained for every batch. Every CASE IH water pump undergoes functional bench testing: flow rate ≥18 L/min at 1.2 bar, shaft runout ≤0.03 mm, and zero leakage at 1.5× operating pressure. Our 6-month warranty covers replacement and return shipping for verified manufacturing defects. With 10 years exporting to 120+ countries — including repeat orders from U.S. farm co-ops and EU agricultural service centers — our track record speaks clearly. Our 20-person technical team verifies part compatibility using OEM service bulletins, not generic catalogs. And with over 10,000 SKUs in stock at our Guangzhou warehouse, this water pump with gasket for CASE IH 1140 ships within 2–5 working days.
Your tractor shouldn’t wait. Every hour of downtime cuts into yield and profit — especially during tight seasonal windows. Send us your part number (e.g., 1273085C91), machine model (e.g., CASE IH 275), and quantity. You’ll receive a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Stock is ready — let’s get you back in operation.
Q: Is this an original CASE IH part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket water pump, manufactured by ISO 9001-certified factories to meet CASE IH dimensional, material, and performance specifications.
Q: How do I confirm this fits my specific tractor?
A: Provide your full machine model (e.g., “CASE IH 255”) and serial number if available — our technical team will verify compatibility and reply within 2 hours.
Q: What is the warranty coverage?
A: 6 months against manufacturing defects. If failure is confirmed as due to material or workmanship, we cover replacement and return shipping.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. Ideal for urgent repairs or validation before larger orders.
Q: How soon can I receive the part after ordering?
A: In-stock items ship within 2–5 working days. Express courier delivery takes 3–7 days depending on destination.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time clients may request a sample for physical testing. Contact us via WhatsApp or email to arrange.
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