Overheating is one of the most common causes of unplanned downtime on excavator fleets. This radiator hose-middle 2 421-03-22160 / wa320-3 is engineered to maintain coolant temperature within operating limits even under sustained hydraulic load — keeping your machine running through the full shift.

Compatible Machines
– WA320-3
– 421-03-22160

Why Choose This Radiator Hose-Middle 2 421-03-22160 / Wa320-3
– Core tube pitch and fin density matched to OEM specification for correct flow rate
– Brazed aluminium core construction for high thermal transfer efficiency
– Inlet/outlet connections sized to match OEM hose fittings — no adapters needed

Heavy-Duty Construction
– Heavy-gauge aluminium tanks withstand operating pressures up to 110 kPa
– Electrocoated frame provides corrosion resistance in harsh Australian site environments
– Pressure-tested to 150 kPa before dispatch; zero-leak guarantee

Maintenance Recommendations
– Flush coolant system before fitting; mixing incompatible coolants causes internal corrosion
– Check for fin damage and debris blockage every 250hrs in dusty conditions
– Fits OEM mounting points — no bracket modifications required

Fast delivery from Wetherill Park NSW warehouse.
Australia-Wide Supply
We supply high-quality radiator hose-middle 2 421-03-22160 / wa320-3 replacement parts across Australia with shipping from NSW. Suitable for aftermarket heavy equipment repairs and undercarriage maintenance applications.