Ensure your machinery operates at peak performance with our high-efficiency radiator. This part is specifically engineered to replace the original 4210331181 cooling unit, providing superior heat dissipation even in the most demanding environments.
| Detail Item | Specifications |
|---|---|
| Model NO. | Komatsu WA470-3 (Applicable to Dash-3 series) |
| Part Number | 421-03-31181 / 4210331181 |
| Product Name | Radiator Assembly / Water Tank |
| Type | Engine Cooling System Components |
| Condition | Brand New, OEM Standard Replacement |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air Freight, Sea Cargo |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Available |
| Packaging | Industrial Export Grade Protective Packing |
| Application | Engine rebuild, cooling system overhaul, routine maintenance |
| Comparison Feature | Our OEM-Standard Radiator | Low-Cost Market Alternatives |
|---|---|---|
| 1. Core Material | High-grade Aluminum/Copper with precise fin spacing | Thin-gauge material prone to rapid oxidation |
| 2. Cooling Efficiency | Optimized for WA470-3 thermal load requirements | Poor heat transfer leading to engine overheating |
| 3. Pressure Resistance | Tested to withstand extreme hydraulic surges | Frequent leaks under high-temperature cycles |
| 4. Fitment Precision | 100% Direct Bolt-on Match (421-03-31181) | Alignment issues during installation |
| 5. Structural Integrity | Reinforced side plates for vibration resistance | Weak welds susceptible to cracking |
| 6. Lifespan | Extended service life for mining and construction | Short-term solution requiring early replacement |
Our team helps operators across the globe maintain their fleets efficiently:
Identify potential risks during maintenance to prevent engine seizure.
Recommend suitable replacement parts if needed based on serial numbers.
Support both inspection advice and parts supply for global construction projects.
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A: This is often caused by a clogged or leaking radiator core (421-03-31181). Over time, external dust blocks airflow or internal scaling reduces coolant flow. Replacing with a high-quality water tank ensures the engine stays within the safe temperature range.
A: Check the nameplate on your Komatsu machine. This specific part is designed for the WA470-3 series. If your manual lists 421-03-31181, our replacement is a guaranteed fit.
A: It features an OEM-standard tri-metal structure and is trusted by repair shops and equipment fleets for its reliability in harsh environments.
We specialize in providing high-quality engine assemblies and components for world-leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory covers everything from full engine rebuild kits to specific precision parts.
Our core product range includes: Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con Rod Bearings, Thrust Washers, Overhaul Gasket Kits, Diesel Injection Pumps, Fuel Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
Explore our long-tail solutions for fleet maintenance: Industrial engine overhaul parts, heavy loader cooling system repair, diesel engine fuel system optimization, crankshaft grinding replacement, high-pressure fuel pump supply, turbocharger efficiency upgrades, cylinder head assembly for mining, piston ring kit for earthmoving equipment, water pump replacement for wheel loaders, radiator supplier for heavy machinery, Komatsu engine parts distributor, Caterpillar engine rebuild components, Cummins power system spares, Isuzu marine engine parts, Kubota tractor engine gaskets, Yanmar excavator engine kits, Weichai truck engine parts, construction machinery hydraulic seals, excavator maintenance spare parts, aftermarket heavy equipment radiator.
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