Axle Locker Actuator Dorman 600-399 - 1AFWA00022

Warranty & Shipping
Product Reviews
Vehicle Fit


  • Brand New Front Differential Actuator
  • Direct replacement
  • Built to strict quality control standards

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

5.00/ 5.0
5 Stars
4 Stars
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1 Star
Perfect fit, low cost, great quality
Couldn’t be happier with this purchase. I watched 1A’s video on installation, and within 10 minutes I had working 4wd.
April 30, 2018
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Where can i get just the gasket for this?
Jake D August 5, 2018
We do not currently carry this part for your vehicle. We’re always updating our inventory so check back soon! If you have any other questions, please let us know.
Jessica D August 6, 2018
Do y’all also offer the harness that plugs into this actuator?
Sean W September 27, 2018
Thank you for your inquiry, but unfortunately we do not offer the harness for this part.
Tim K September 27, 2018
Year Make Model Description
2008-2010Dodge Ram 1500 Truck Dodge Ram 1500 Truck 4 Wheel Drive Front Axle Locker Actuator Dorman 600-399
2011-2016Ram 1500 Truck Ram 1500 Truck 4 Wheel Drive Front Axle Locker Actuator Dorman 600-399
Part #: 1AFWA00022

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 600-399