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Browse aftermarket replacement parts for the Doosan DX300LC crawler excavator.
Use filters or search by OEM part number. Compatibility details are listed on each product page.
The DX300LC is a large Doosan crawler excavator from before the -3 generation, rated at 197 net horsepower from a Doosan DL08 engine, with an operating weight of about 64,600 lb. Doosan's construction equipment line has been sold under the Develon name since 2023.
The DX300LC-3 is a later generation and shares most of the same parts. The DX300LC-5 is a later generation and shares many of the same parts. The DX350LC shares most of the same parts. Match the full model name, including any -3 or -5 suffix, and the serial number on the serial plate before ordering.
Common replacements include the air filter that replaces OEM 474-00037, the fuel filter that replaces OEM 400403-00021, and the engine oil filter that replaces OEM 400508-00035. Seals, hydraulic filters and cab filters make up much of the rest of the range.
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