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Browse aftermarket replacement parts for the Doosan DL420 wheel loader.
Use filters or search by OEM part number. Compatibility details are listed on each product page.
The DL420 is a large Doosan wheel loader from before the -5 generation. Doosan's construction equipment line has been sold under the Develon name since 2023.
The DL420-5 is a later generation and shares many of the same parts. The DL450-3 shares many 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 400504-00048, the coolant filter that replaces OEM 474-00020A, and the hydraulic filter that replaces OEM 2471-9051B. Seals, horns and cab filters make up much of the rest of the range.
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