Need help?
Follow Us
Enter your e-mail and password:
New customer? Create your account
Lost password? Recover password
Enter your email:
Remembered your password? Back to login
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.
Fast Delivery
Express shipping options available.
Trusted by Thousands
Verified reviews from real customers.
Expert Support
Call us toll-free, text us, or leave us a message!
Secure Checkout
Secure payment processing on all transactions.