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Browse aftermarket replacement parts for the Doosan DX300LC-3 crawler excavator.
Use filters or search by OEM part number. Compatibility details are listed on each product page.
The DX300LC-3 is the -3 generation of Doosan's 30-tonne class crawler excavator, with an operating weight of about 66,100 lb. Doosan's construction equipment line has been sold under the Develon name since 2023.
The DX300LC is an earlier generation and shares most of the same parts. The DX300LC-5 is a later generation and shares many of the same parts. The DX380LC-3 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 474-00038, the fuel/water separator filter that replaces OEM 400508-00063, and the engine oil filter that replaces OEM 400508-00035. Seals, O-rings and hydraulic filters make up much of the rest of the range.
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