Water Pump & Thermostat With Gasket 16251-73032 – Ready to Ship
16251-73032 & 15531-73014 Water Pump & Thermostat Kit — compatible with Kubota...
Water Pump ED0065845680-S compatible with Kohler KDI1903, KDI1903TCR, KDI2504TCR engines — ceramic/graphite mechanical seal rated to 1.2 bar, shaft runout ±0.03 mm.
Arrival timing quoted at checkout based on your location and chosen express, air, or sea freight option.
In-stock dispatch — Guangzhou warehouse holds this Kohler-compatible water pump with real-time inventory sync, ensuring what you see is what ships.
| Parameter | Value |
|---|---|
| Part Number | ED0065845680-S |
| Cross-Reference | ED0065845680S, 6584569, 6584568, ED0065845690-S, ED0065845690S, ED0065845380-S, ED0065845380S (reference only) |
| Machine Fitment | KDI1903, KDI1903TCR, TCR2504, KDI2504TCR |
| Condition | New Aftermarket |
| Impeller Material | High-silicon aluminum alloy |
| Mechanical Seal | Ceramic/graphite faces |
| Seal Pressure Rating | Up to 1.2 bar |
| Shaft Runout | ±0.03 mm |
| Housing Flange Surface Finish | Ra ≤ 1.6 μm |
| Elastomer Standard | SAE J200 Class B |
| MOQ | 1 piece |
| Lead Time (In-Stock) | 2–5 working days |
| Warranty | 3–12 months against manufacturing defects |
| Standards | ISO 9001 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Coolant leak at weep hole or flange gasket | Immediate — engine overheat risk on next start |
| Overheating under continuous genset load | Same-week replacement to avoid thermal damage to cylinder head |
| Bearing noise or shaft wobble at idle | Urgent — impeller contact with housing likely within operating hours |
| Loss of coolant with no visible external leak | Schedule within days — internal seal failure progressing |
A Water Pump ED0065845680-S in stock means the clock stops ticking on your downtime the moment the order is placed.
I spent years on Indonesian job sites where a genset going down meant the entire night pour stopped. Waiting for back-ordered parts while the foreman counted lost hours was a pattern I saw repeat across every project. A Water Pump ED0065845680-S in stock changes that equation — the part is confirmed on the shelf before payment clears, not discovered missing when the warehouse team goes to pick it. [NEED_CITE: generator downtime cost per hour in construction operations]
The frustration of "system shows available" only to learn the last unit shipped yesterday is something I refuse to pass on to a buyer. Real-time inventory sync on this Kohler-compatible replacement pump means the quantity you see is the quantity that leaves Guangzhou.
When your Kohler KDI1903 or KDI2504TCR is already shut down, the last thing you need is a multi-day email exchange just to confirm whether the part number on your old pump is still current. The fast shipping Kohler water pump replacement process here starts with whatever you have — a part number, an engine model, or a photograph of a nameplate so faded the characters are barely legible. Our team responds within two hours with a fitment confirmation or a cross-reference to the correct number.
This Water Pump ED0065845680-S in stock is ready for one-piece orders with no minimum quantity pushback. Emergency repairs do not wait for container loads, and neither does this dispatch workflow.
Once the Water Pump ED0065845680-S in stock is confirmed and packed, the timeline depends entirely on the freight method chosen at quotation. Express courier services deliver in a matter of days for urgent single-piece shipments. Air freight covers medium-distance routes within roughly a week and a half. Sea freight remains the option for non-urgent restocking where cost matters more than speed. [NEED_CITE: international freight transit time comparison for machinery parts]
Each option is quoted with a realistic arrival window at the time of inquiry — not buried in fine print after payment. The anti-rust VCI film and double-walled corrugated carton packaging is built to survive courier handling, so the pump arrives in the same condition it left the shelf.
The high-silicon aluminum alloy impeller resists cavitation erosion that eats through standard cast impellers in high-flow cooling circuits. Cavitation pitting shows up first as micro-pitting on the vane leading edges, then progresses to material loss that drops flow volume below the engine's heat rejection requirement.
Ceramic and graphite seal faces maintain a stable interface across the thermal cycling that a construction genset experiences between loaded and unloaded states. The seal pressure rating of up to 1.2 bar covers the static head and dynamic pressure in typical Kohler KDI-series cooling systems without blow-by.
Shaft runout held to ±0.03 mm prevents the uneven seal wear that causes premature weep-hole leaks. A shaft that wobbles beyond this tolerance wears one side of the seal face faster, and coolant begins seeping past the seal within the first few hundred operating hours. [NEED_CITE: shaft runout tolerance impact on mechanical seal service life]
The housing flange surface finish of Ra ≤ 1.6 μm ensures the gasket seats evenly across the mating surface, eliminating the micro-channels that cause slow coolant seepage at the block interface.
Ordering a pump that arrives and does not fit is not just a return shipping problem — it is another full lead time added to a machine that was already down. For a rental operator with a Kohler-powered genset booked on a site, that second waiting period means missed contract milestones and a client looking at competitors. [NEED_CITE: equipment rental revenue loss from unplanned downtime]
Even a pump that bolts on but has the wrong port orientation or gasket footprint creates field improvisation that compromises the seal. Coolant loss under load follows, and the diagnosis points back at the new pump rather than the installation shortcut.
Guangzhou warehouse stock on the Water Pump ED0065845680-S in stock means dispatch happens in working days, not weeks. The inventory is physically counted and synced, not projected from a spreadsheet.
One-piece minimum order applies without negotiation — a single emergency pump ships with the same priority as a pallet order, because a downed machine does not care about order volume.
Part identification works from a part number, an engine model like KDI1903TCR, or a photograph of the nameplate. Cross-reference verification covers superseded numbers so you get the correct variant, not the one that was listed in a catalog printed a decade ago.
Both self-produced and sourced supply lines carry the same warranty terms, so there is no quality tier guessing when the part arrives.
Sample supply is available for fitment confirmation before a buyer commits to bulk, removing the risk of receiving a container load that does not match the bench engine.
Provide the part number from your old pump or a clear photograph of the engine nameplate, and our team will confirm stock status along with an estimated arrival date for your location. If the nameplate is worn or painted over, the engine model alone is enough to start the verification. Tell us which freight method suits your timeline, and the quotation will include the full delivery window.
Q: Is ED0065845680-S in stock right now and when can it ship? A: This pump is stocked in our Guangzhou warehouse with real-time inventory synchronization. Once you confirm the order, dispatch occurs within the stated lead time for in-stock items. We verify physical shelf quantity before accepting payment, so you are not caught by phantom stock situations where the system shows availability but the unit was already picked for another order.
Q: Can I order just one piece for an emergency repair? A: Yes, the minimum order is one piece with no exceptions or surcharges. Emergency repairs on a single Kohler KDI1903 or KDI2504TCR engine do not require bulk commitments. The same dispatch priority and packaging standards apply whether you need one pump or a full restocking shipment for your workshop shelf.
Q: My engine nameplate is unreadable — can I still confirm fitment? A: Send a photograph of whatever identification remains — even a partial number or the engine model cast into the block. Our team cross-references against superseded numbers and variant listings to confirm whether this Water Pump ED0065845680-S in stock matches your specific engine build. Response comes within hours, not days.
Q: How fast can it arrive at my location? A: Arrival depends on your destination and chosen freight method. Express courier delivers within days, air freight covers medium distances in roughly a week, and sea freight suits non-urgent restocking. Each option is quoted with a realistic arrival window at the time of inquiry so you can plan the repair schedule accordingly.
Q: What if the pump doesn't match when it arrives? A: If the part does not fit despite our verification, contact us immediately with photographs of the received pump alongside your engine mounting points. We resolve mismatches through replacement dispatch or return processing. Pre-order fitment confirmation from a nameplate photo significantly reduces this risk before the part ever ships.
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.
Fill in your details and we'll respond within 24 hours with a competitive quote.
Explore more high-quality excavator and heavy equipment parts from XUNPO.
16251-73032 & 15531-73014 Water Pump & Thermostat Kit — compatible with Kubota...
Water Pump SBA145017721, Aluminum Housing, 150,000+ Cycle Seal — replacement for New...
Water Pump 25-37581-10 for Kubota V2203, With Gasket, New Aftermarket — compatible...
Keep your Kubota engine running at peak performance with this reliable Kubota...