Lubrication & Cooling Systems
Lubrication & Cooling Systems
Water Pump ED0065845680-S for Kohler KDI1903/KDI2504TCR – Direct Replacement
<p>Stop unexpected overheating and costly downtime on your Kohler KDI1903 or KDI2504TCR engine — this <strong>direct OEM-replacement water pump</strong> delivers factory-spec flow rate and seal integrity, right out of the box. Built to match the original’s 12mm shaft diameter and 3-bolt mounting pattern, it eliminates fitment guesswork and prevents coolant leaks that plague generic alternatives.</p> <ul> <li><strong>Exact-fit replacement</strong> for ED0065845680-S, 6584569, and 7 other cross-reference numbers — no adapter kits needed</li> <li>Fits KDI1903, KDI1903TCR, TCR2504, and KDI2504TCR engines without modification</li> <li>ISO-certified cast iron housing with OEM-grade ceramic/metal face seal — critical for high-cycle industrial use</li> <li>Ships from Guangzhou warehouse in 2–5 working days, MOQ just 1 piece</li> </ul>
Lead Time
2-5 Days
Warranty
3-12 Months
Min. Order
1 Piece
Ships To
120+ Countries
Request a Quote
Response within 24 hours
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Part Name | Water Pump |
| Part Number (OEM Reference) | ED0065845680-S, ED0065845680S, 6584569, 6584568, ED0065845690-S, ED0065845690S, ED0065845380-S, ED0065845380S |
| Brand Compatibility | Kohler |
| Machine Model Fitment | KDI1903, KDI1903TCR, TCR2504, KDI2504TCR |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original sealed box with anti-corrosion protection and shock-absorbing foam |
Compatible Models
| Brand | Applicable Models |
|---|---|
| Kohler | KDI1903, KDI1903TCR, TCR2504, KDI2504TCR |
Tired of Overheating Kohler Engines? Get the Correct Water Pump ED0065845680-S for KDI1903TCR and KDI2504TCR
Engine overheating causes unplanned downtime — costing fleet operators thousands per day in lost productivity. Many buyers receive counterfeit or dimensionally inaccurate water pumps that fail within weeks, triggering repeat service calls and secondary damage to radiators and thermostats. OEM parts take 2–4 weeks to arrive, halting critical maintenance windows on construction sites and power generation units.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This Kohler water pump is manufactured in ISO-certified factories and undergoes pre-shipment performance testing for flow rate, pressure stability, and seal integrity — matching OEM specifications for KDI1903 and KDI2504TCR engines. With 10 years of global export experience and 10,000+ engine components in stock, XUNPO delivers verified replacements for urgent engine rebuilds, generator set maintenance, and mobile power unit servicing.
Where This Part Works
This water pump operates under continuous high-load conditions in construction generators, mining auxiliary power units, port-side gensets, and demolition equipment cooling systems. It maintains coolant circulation at sustained RPM ranges (1800–3000 rpm), resisting cavitation and thermal stress in ambient temperatures up to 50°C. A reliable Kohler engine water pump is essential to prevent cylinder head warping and bearing failure — especially in air-cooled environments where heat dissipation margins are narrow.
Engineering Details That Matter
The impeller is precision-cast from high-silicon aluminum alloy, ensuring dimensional stability under thermal cycling and resistance to electrolytic corrosion from mixed coolants. The mechanical seal uses ceramic/graphite faces rated for 10,000+ hours of continuous operation, preventing leakage at pressures up to 1.2 bar. Shaft runout is held within ±0.03 mm to eliminate bearing vibration, and the housing flange surface finish meets Ra ≤ 1.6 µm for perfect gasket contact. All elastomers comply with SAE J200 Class B standards for ethylene glycol compatibility.
The Real Cost of Wrong Parts
A substandard water pump may cost 20% less upfront but risks catastrophic engine failure: a single overheating incident can warp cylinder heads ($1,200+ repair), degrade oil viscosity, and trigger crankshaft bearing wear. Industry data shows non-OEM-equivalent pumps reduce mean time between failures (MTBF) by 42% compared to ISO-tested units. Total cost of ownership (TCO) includes labor, tow fees, rental replacement, and contractual delay penalties — making verified Kohler KDI1903 water pump replacement the only economically sound choice for professional operators.
Why Customers Trust XUNPO
— We source exclusively from ISO 9001-certified factories and inspect every batch upon arrival.
— 100% of water pumps undergo bench testing for flow volume (±3% tolerance vs. OEM spec), pressure retention, and seal integrity before shipment.
— All parts carry a 3–12 month warranty covering material and workmanship defects — no questions asked.
— Our team has supported excavator and genset operators across 120+ countries since 2016.
— 20+ technical specialists verify part fitment within 2 hours using OEM service manuals and real-time cross-reference databases.
— Over 10,000 engine SKUs are held in our Guangzhou warehouse — including this ED0065845680-S water pump — ready for dispatch in 2–5 working days.
Packaging & Shipping
- Individually sealed in anti-rust VCI film, cushioned with molded EPE foam, and packed in double-walled corrugated cartons.
- In-stock items ship within 2–5 working days after payment confirmation.
- Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days).
- Real-time tracking number provided upon dispatch, with proactive delivery updates.
- MOQ is 1 piece — supporting emergency repairs and small-fleet operators.
Get Your Kohler Water Pump Now
Your machine isn’t generating revenue while it’s idle. Send us the part number (ED0065845680-S or 6584569), your engine model (e.g., KDI1903TCR), and required quantity — we’ll email a competitive quote within 24 hours. First-time customers may request a sample for functional validation before bulk ordering.
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 Kohler’s dimensional, material, and performance specifications for KDI1903 and KDI2504TCR engines.
Q: How do I confirm this fits my specific engine?
A: Provide your full engine model (e.g., KDI1903TCR) and serial prefix if available — our technical team confirms compatibility using OEM service documentation and responds within 2 hours.
Q: What is the warranty period?
A: 3–12 months depending on application; covers manufacturing defects with full replacement or refund upon verification.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. Ideal for urgent field repairs and small-scale maintenance shops.
Q: How fast can you ship?
A: In-stock items ship within 2–5 working days. Express courier options (DHL/FedEx) deliver to most destinations in 3–7 business days.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for functional testing; standard shipping charges apply.
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
Our parts are engineered to meet or exceed OEM specifications. Please provide your machine model number and serial number when inquiring to confirm exact compatibility.
How to Confirm Compatibility
-
1
Find Your Machine Model
Locate the model plate on your machine, typically near the cab or engine compartment.
-
2
Note the Part Number
Check your parts manual or existing part for the OEM part number.
-
3
Contact Our Team
Our technical team verifies compatibility within 2 hours. Send us the details via the inquiry form or WhatsApp.
Shipping Information
Express Shipping
DHL, FedEx, UPS -- 3-7 business days worldwide
Sea Freight
Cost-effective option for bulk orders -- 15-35 days
Real-Time Tracking
Tracking number provided after shipment. 24/7 support available.
Warranty Policy
All parts come with manufacturer warranty. Duration varies by product category.
- Manufacturing defects covered in full
- Free replacement or full refund for defective parts
- Post-delivery technical support included
- Sample testing available for first-time buyers
ISO Certified Quality
All parts sourced from ISO-certified factories with strict QC processes and material traceability.
Competitive Pricing
Save 30-50% vs OEM prices without compromising quality. Transparent pricing with no hidden fees.
Fast 2-5 Day Shipping
Large Guangzhou warehouse with 10,000+ SKUs in stock. Most orders ship within 2-5 business days.
10+ Years Experience
20+ professionals with deep technical knowledge serving 1,000+ clients across 120+ countries.
24/7 Technical Support
Dedicated support team available around the clock. Part verification within 2 hours of inquiry.
Global Reach
Flexible shipping solutions including express and sea freight to 120+ countries with real-time tracking.
Related Products
More parts you might need
Lubrication & Cooling Systems
Water Pump RE507604/RE545572 for John Deere Skid Steer & Tractor Engines
View DetailsLubrication & Cooling Systems
Above Ground Pool Pump W3SP1580X15 for Hayward Power Flo LX Replacement
View DetailsLubrication & Cooling Systems
Thermostat 6680512 for Kubota D1105 & Bobcat 753 – Direct-fit OEM replacement
View DetailsNeed a Custom Quote?
Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.