AC Condenser Core for CAT303.5ECR CAT304

CAT 303.5E CR, CAT 304 Air Conditioning Condenser – Direct Replacement

This air-conditioning condenser is a direct replacement for the CAT 303.5E CR, CAT 304, restoring full cooling performance to the operator cab. The all-aluminium core matches the original footprint and fittings for a straightforward replacement.

Corrosion and vibration eventually cause leaks in the tubes or around the fittings. Once a condenser is leaking, regassing alone will not fix it for long. On a mini excavator the condenser sits close to the ground and right behind the radiator, where it collects dust, grass and grit every shift.

At a Glance

Why Order From Us

• Leak Tested – Every core pressure-tested before it leaves the factory
• Trusted Supplier – Genuine & aftermarket parts for CAT, Komatsu, Hitachi, Volvo and more
• Trade Friendly – Account and wholesale pricing for workshops and fleets
• Australia-Wide Shipping – Fast dispatch from our Melbourne warehouse

Fitment Note: Condenser sizes and fitting positions can change between serial ranges. Measure your existing core (width × height × thickness) or contact us with your serial number to confirm.

Installation Tip: For best results and to protect the compressor, replace the receiver-drier and have the system flushed, vacuumed and recharged by a licensed A/C technician.