Komatsu PC400-6 Radiator Upper Hose Replacement

Part Number: 208-03-61182 / 2080361182

Ensure your Komatsu excavator engine stays cool under pressure with our premium grade cooling system components.

Reliable Heavy Duty Cooling Solutions

When your Komatsu PC400-6 is working in demanding environments, the radiator hose is your first line of defense against engine overheating. We provide the 208-03-61182 (2080361182) upper hose, engineered to meet or exceed OEM specifications. Whether you are performing a routine maintenance or a full engine rebuild, our hoses offer the perfect fit and long-lasting durability required for heavy construction machinery.

Stop searching for generic parts. Our specialized PC400-6 Upper Hose is designed specifically for high-temperature resistance and chemical stability against modern coolants.

Comparison: Our Premium Hose vs. Standard Market Alternatives

Core Purchasing FactorsOur OEM-Standard ReplacementStandard Aftermarket Parts
Material CompositionHigh-Grade EPDM with Reinforced FiberRecycled Rubber / Low Density
Heat ResistanceUp to 150 Degrees CelsiusFails at 110 Degrees Celsius
Burst PressureExceeds 10 Bar Operating PressureUnstable under high load
Fitment Precision100 percent Accurate to 208-03-61182May require trimming or force fit
Service Life24 Months Heavy Usage6-12 Months typical wear
Chemical StabilityAnti-corrosion for Long-life CoolantSubject to internal degradation

Technical Data & Product Specifications

Model NO.Komatsu PC400-6 Excavator
Product NameRadiator Upper Water Hose
Part Number208-03-61182 / 2080361182
TypeEngine Cooling System Components
ConditionBrand New, OEM Standard Replacement
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsDHL, Fedex, EMS, UPS, Air Freight, Sea Freight
MOQ1 Piece
Stock StatusIn Stock / Fast Dispatch
PackagingIndustrial Export Packing
ApplicationEngine rebuild, overhaul, maintenance for PC400-6

Troubleshooting & Maintenance FAQ

Q: Why is my PC400-6 excavator experiencing engine overheating and coolant loss?

A: One of the most common failures in the PC400-6 cooling system is a cracked or collapsed upper hose. The 208-03-61182 hose is subject to extreme thermal cycles. If you notice leaks near the radiator inlet or soft spots on the hose, immediate replacement is required to prevent catastrophic engine failure.

Q: How do I handle a burst 208-03-61182 hose in the field?

A: Shutdown the engine immediately and allow it to cool. Check the radiator clamps and the hose condition. If the hose has ruptured, replace it with a new 2080361182 unit. It is recommended to replace the hose during every major engine overhaul to ensure uptime.

Q: Why Choose This Radiator Upper Hose?

A: Our product features an OEM-standard tri-metal structure support and is trusted by repair shops & equipment fleets worldwide for its reliability in extreme conditions.

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Professional Engine Parts Specialist

We are a leading supplier of complete engine assemblies and precision components for world-class brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory covers everything you need for a professional engine restoration.

Our Core Engine Products: Cylinder Liner, Piston, Piston Ring, Main Bearing, Connecting Rod Bearing, Thrust Washer, Overhaul Gasket Kit, Fuel Injection Pump, Injector, Crankshaft, Turbocharger, Water Pump, Oil Pump, Cylinder Block, Cylinder Head, Connecting Rod.

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