Lubrication & Cooling Systems
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

Water Pump ED0065845680-S for Kohler KDI1903/KDI2504TCR – Direct OEM Replacement

<p>Stop downtime caused by failing coolant circulation — this <strong>Kohler water pump</strong> delivers OEM-matched flow rate and pressure right out of the box, keeping your KDI1903 or KDI2504TCR engine running at optimal temperature even under continuous load.</p> <ul> <li>Direct replacement for ED0065845680-S — no machining, no adapters, no guesswork</li> <li>Features the correct 12mm x 1.75mm metric thread pitch on the inlet flange (a known fitment trap with generic pumps)</li> <li>Built to ISO 9001-certified specs with NBR+FKM dual-lip mechanical seal — eliminates premature weep and extends service life beyond typical aftermarket units</li> <li>Ships from our Guangzhou warehouse in 2–5 working days, MOQ just 1 piece — ideal when you need it *now*, not next month</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameWater Pump
Part Number (OEM Reference)ED0065845680-S, ED0065845680S, 6584569, 6584568, ED0065845690-S, ED0065845690S, ED0065845380-S, ED0065845380S
Brand CompatibilityKohler
Machine Model FitmentKDI1903, KDI1903TCR, TCR2504, KDI2504TCR
ConditionNew Aftermarket
Warranty6 months against manufacturing defects
PackagingOriginal sealed box with anti-rust oil and protective foam

Compatible Models

BrandApplicable Models
KohlerKDI1903, KDI1903TCR, TCR2504, KDI2504TCR

Tired of Overheating Kohler Engines? Get the Right Water Pump ED0065845680-S for KDI1903 & KDI2504TCR

Engine overheating during critical operation leads to unplanned downtime — costing contractors $2,500–$8,000 per day in lost productivity. Many buyers receive counterfeit or dimensionally inaccurate water pumps that fail within 200 operating hours, triggering secondary damage to radiators and thermostats. OEM replacements often require 3+ weeks lead time and carry 40% price premiums — delaying repairs and extending fleet immobilization.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This Kohler water pump ED0065845680-S is manufactured in ISO 9001-certified facilities and subjected to full-flow bench testing at rated pressure and temperature before shipment. Built for continuous-duty applications in excavator auxiliary power units and compact generator sets, it delivers consistent coolant circulation under high-vibration conditions. With 10 years of global export experience and over 10,000 SKUs in stock, XUNPO supplies verified replacement parts for Kohler KDI and TCR series engines without compromise on fit or function.

Where This Part Works

This water pump operates in demanding environments including municipal infrastructure projects, quarry mobile power units, and port-side genset installations where ambient temperatures exceed 45°C and dust ingress is constant. It maintains stable engine coolant flow under sustained 1,800–2,200 RPM operation, preventing thermal stress buildup in cylinder heads and turbochargers. Correct specification is essential — a 0.15 mm shaft runout deviation or substandard seal material directly causes coolant leakage into crankcase oil, leading to catastrophic bearing failure. Kohler engine water pump ED0065845680-S meets all original torque, clearance, and sealing interface tolerances.

Engineering Details That Matter

The impeller is precision-cast from high-silicon aluminum alloy (A380), providing superior cavitation resistance versus standard cast iron — critical for low-NPSH systems common in vertical-mounted generators. The mechanical seal uses carbon/ceramic faces with Viton® O-rings rated to 150°C, ensuring integrity during transient thermal spikes. Shaft runout is held to ≤0.05 mm at operational speed, reducing bearing load by 37% compared to non-certified alternatives. Housing dimensions match OEM drawings within ±0.12 mm, guaranteeing direct bolt-on installation without adapter plates or gasket modifications. Surface finish on the mounting flange is Ra ≤1.6 µm, eliminating micro-leak paths at the head gasket interface.

The Real Cost of Wrong Parts

A $42 counterfeit water pump may save $18 upfront — but its 300-hour average life triggers repeat labor costs ($120–$180 per service call), coolant contamination cleanup, and risk of $3,200 cylinder head replacement due to localized overheating. Industry data shows non-OEM-equivalent pumps increase total cost of ownership (TCO) by 210% over 2,000 operating hours. This ED0065845680-S water pump replacement complies with ISO 20816-1 vibration standards and SAE J1940 coolant compatibility requirements — meaning no hidden failures, no warranty voids, and no unexpected downtime. Total lifecycle value outweighs initial price every time.

Why Customers Trust XUNPO

We source exclusively from ISO 9001-certified factories and perform incoming material inspection on every batch. Every water pump undergoes 100% functional testing: flow rate verification at 12 L/min ±3%, pressure hold test at 1.2 bar for 15 minutes, and dynamic balance check at 2,500 RPM. All units carry 6-month warranty covering manufacturing defects — no questions asked. Our 10-year export track record spans 120+ countries, supported by a 20-person technical team fluent in English, Spanish, Arabic, and Russian. We verify part compatibility using official Kohler engineering bulletins — responses delivered within 2 hours. And with 10,000+ SKUs held in our Guangzhou warehouse, this Kohler KDI2504TCR water pump ships in 2–5 working days.

Packaging & Shipping

  • Individually sealed in moisture-resistant cartons with VCI paper and molded EPE foam cradling
  • In-stock items ship within 2–5 working days after order confirmation
  • Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), sea freight (25–40 days)
  • Real-time tracking provided from warehouse dispatch to final delivery
  • MOQ is 1 piece — designed for urgent field repairs and small-fleet operators

Get Your Parts Now

Your excavator’s auxiliary power unit can’t wait — every hour of downtime cuts into margins. Send us your part number (ED0065845680-S or 6584569), exact engine model (e.g., KDI2504TCR), and required quantity. You’ll receive a competitive quote within 24 hours. First-time customers may request a sample for physical verification before bulk ordering. Stock is available now — act today to restore uptime tomorrow.

Frequently Asked Questions

Q: Is this an original Kohler part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket water pump, produced in ISO 9001-certified facilities to match original Kohler specifications for fit, form, and function.

Q: How do I confirm this fits my specific Kohler engine?

A: Provide your engine’s full model designation (e.g., KDI1903TCR) and serial prefix — our technical team verifies compatibility using official Kohler service documentation and responds within 2 hours.

Q: What is the warranty period?

A: 6 months from date of delivery against manufacturing defects. Defective units are replaced free of charge upon return confirmation.

Q: What is the minimum order quantity?

A: 1 piece — no exceptions. Ideal for emergency repairs and small-scale maintenance operations.

Q: How fast can you ship?

A: In-stock items ship from our Guangzhou warehouse within 2–5 working days. Express courier options available for urgent needs.

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

A: Yes — first-time customers may request one sample unit for physical evaluation and fit-check prior to larger orders.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Part Type Lubrication & Cooling Systems
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • In-stock items dispatched in 2-5 business days
  • Multiple freight options: Express, Air, Sea
  • Real-time tracking provided
  • Ships to 120+ countries worldwide
  • Export-standard packaging for all items

Warranty & Quality

  • 3-12 month warranty on all parts
  • ISO-certified factory partners
  • Strict QC inspection before dispatch
  • Zero counterfeit policy -- guaranteed
  • Optional sample testing for new buyers
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