Reserve Tank K1000789 For DOOSAN DX225 DX300 Excavator

Keywords: K1000789 reserve tank, DX225 coolant expansion tank, DX300 excavator water reserve bottle, DOOSAN excavator radiator auxiliary tank, excavator cooling system spare parts, aftermarket coolant reserve tank

🔹Product Overview

Reserve Tank Part No.K1000789 is the coolant expansion reservoir for excavator cooling system, compatible with DOOSAN DX225, DX300 excavator. It stores overflow coolant from radiator, compensates cooling‑liquid volume change caused by temperature fluctuation, maintains stable liquid level inside radiator, avoids insufficient coolant and engine overheating faults. This replacement reserve tank solves leakage, cracking, deformation and aging‑brittleness failures of original plastic tank. Strictly produced according to OEM dimension for direct installation.

🔹Detailed Specifications

🔹Key Features & Advantages

• OEM‑identical outline dimension, mounting hole and pipe connector position, direct fit without modification.
• High‑strength engineering plastic raw material, anti‑aging, anti‑brittle, resist high‑temperature coolant corrosion.
• Good pressure‑bearing and leak‑proof performance, prevent liquid leakage under working vibration.
• Accurate liquid‑level observation window, convenient to check coolant surplus status.
• Strict air‑tightness leak test, every tank inspected before factory delivery.
• Perfect interchangeability, ideal for cooling‑system overhaul and field repair.

🔹Application Scope

Fit Equipment: DOOSAN DX225, DX300 excavators ‑ Widely used for machinery repair workshops, equipment fleet maintenance and excavator cooling‑system overhaul projects.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying hydraulic parts, engine parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping

Anti‑collision inner package, protect parts during transportation ‑ Export‑grade outer carton for safe sea and land transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.