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Dorman

Dorman 600-405 Independent Wheel End Coupler (Vacuum Delete Kit) Compatible with Select Ford/Lincoln Models, 2 Pack (OE FIX)

  • Based on 737 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Sep 20 – Sep 21
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Features

  • Dependable solution - this unique hub locking actuator delete enables 4WD operation while disabling the failure-prone original vacuum function
  • Cost-effective fix - deleting need for troublesome vacuum saves future replacement cost and frustration
  • Patented design - exclusively engineered in the United States by highly trained automotive experts
  • Fully reversible - actuator includes vacuum caps for holding remnant lines and allow for restoring original function in future
  • Ensure fit - Input your vehicle into the garage tool and check Confirmed Fit bar at the top of the page. If there is an i in a blue circle, additional verification is needed. Please hover over the "i" to verify fitment notes match your vehicle.

Description

The internal diaphragm on certain Ford and Lincoln vacuum-activated hub actuators is highly failure-prone. This patented Dorman OE FIX replacement restores 4WD while eliminating the problematic original functions for greater reliability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Expedition: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Ford F-150: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Lincoln Mark LT: 2006, 2007, 2008] - [Lincoln Navigator: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015].

Manufacturer: ‎Dorman Products


Brand: ‎Dorman


Model: ‎Dorman 600-405


Item Weight: ‎1.5 pounds


Product Dimensions: ‎12 x 6 x 2.5 inches


Item model number: ‎600-405


Exterior: ‎Ready To Paint If Needed


Manufacturer Part Number: ‎600-405


OEM Part Number: ‎7L1Z-3C247-A


Date First Available: June 20, 2018


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 20 – Sep 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • These work as Intended on my 2006 F-150
These worked just fine to replace the vacuum actuators on my 2006 f150... Now the front axles are locked and I use a little gas but if I need 4 wheel drive I know it will work. Product does what it is advertised to do.
Reviewed in the United States on July 26, 2025 by Ging
    • Perfect device and quality
Perfect
Reviewed in the United States on July 17, 2025 by andy
    • Dorman 600-405 Independent Wheel End Coupler (Vacuum Delete Kit)
These couplers look like very well made products and should solve the issue with my old trucks 4 wheel drive issue. The price was very fair considering the work involved in designing and manufacturing them. Cant say anything about the installation because I am not doing it, and as for mileage I am sure they will outlast my 06 F150. Dorman has always made good reasonably priced after market parts so I don't anticipate any issues. I had the actuators installed, It was a bit of a job and I don't have a lift or would have done it. Install did go well about 2 1/2 hours total and they work great, definitely worth it. ... show more
Reviewed in the United States on December 4, 2023 by Steven
    • Great upgrade
This fit just as expected and fix a known issue with ford trucks. If you're looking to simply the vacuum system on your ford these are the way to go. One downfall, inherent to their design, is that now your front cv shafts coast all the time. Not a huge deal but will lower mgp marginally as well as add a small amount of extra wear. Definitely for a more experienced installer. Time will tell their durability. ... show more
Reviewed in the United States on September 29, 2024 by Ari M.
    • I can has 4WD again?
Review Image by Adam Adam
Review Image by Adam Adam
I decided to try these instead of trying to keep the IWE system going. Continuing to throw parts at it is a total waste of time, in my opinion. The system itself isn't a bad idea, because being able to stop the CVs and front differential from spinning will save the driver about 1-2 mpg and reduce wear on the axles and differential. Unfortunately, Ford didn't put enough effort into making the system durable. The vacuum lines get holes from heat rot and rubbing, the original vacuum solenoid was an absolute joke of engineering. They did "upgrade" it to be able to keep water out (and thus kept out of the lines that carry it to the actuators, causing rust, and eventually failure), but it's still a cheaply made plastic solenoid. The actuators that these Dorman units replace are far from being "built Ford tough". Again, IWE was a good idea, but badly executed. If your IWE has been non-functional, and you've heard any clicking or vibration while attempting to use it, just save yourself some time and buy a set of hub assemblies while you're at it. You're going to need them. These aren't terribly hard to install but make sure you have heavy duty jackstands and a torque wrench. Look up the torque specs for the fasteners. I used Lucas Xtra Heavy Duty to grease it all up. The 4wd works fantastic now. I'm very glad I did this, and would recommend it to anybody. ... show more
Reviewed in the United States on June 11, 2023 by Adam Adam
    • Vacuum delete kit
Works great! Love the grease fitting. Installs just like the horrible vacuum ones but no more problems.
Reviewed in the United States on August 13, 2024 by Jeff Wiley
    • Great option to OEM replacement
Installed on 2007 Navigator. Everything works the same. However the axles are permanently engaged. I have used them for about a year and see difference in fuel economy; or anything else for that matter. When the 4x4 button is engaged in the cab the gear box then is active in the 4x4 mode. The car is in 2x2 even though the axles are engaged until you engage the 4x4 switch in the cab. ... show more
Reviewed in the United States on April 11, 2023 by Jk8134
    • Didn't run on vacuum!!
New design with extended teeth that grab when the transfer case is put into 4 wheel drive but doesn't need vacuum to pull it off the cv axle during normal use. I changed the solenoid, the check valve and the vacuum lines before just changing out my newer hubs again but one had a vacuum leak already and it was the problem after all. This fixed and solved my issue perfectly and vacuum issues will never effect it again. Thanks Dorman for this product !! ... show more
Reviewed in the United States on September 3, 2024 by Shane

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