DORMAN 600399
DORMAN part number 600399 is a differential lock actuator in the Drivetrain system. This catalog matches it to 32 year-and-engine configurations from 2009 to 2021.
Verified fitment includes 2021 Ram 1500 3.0L V6 DIESEL Turbocharged ; 2021 Ram 1500 5.7L V8 ; 2021 Ram 1500 Classic 3.6L V6 ; 2021 Ram 1500 Classic 5.7L V8 ; 2020 Ram 1500 3.0L V6 DIESEL Turbocharged , plus 27 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is DORMAN 600399?
DORMAN part number 600399 is a differential lock actuator with published application data for 32 vehicle configurations from 2009 to 2021. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does DORMAN 600399 fit?
This catalog matches 600399 to 32 year-and-engine configurations from 2009 to 2021. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is DORMAN 600399 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. DORMAN 600399 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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