DMFWM00002-Ford Auto Locking Hub Vacuum Solenoid Valve


Ford Auto Locking Hub Vacuum Solenoid Valve Dorman 600-402

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List: $78.95 Save: $24.00
Part DMFWM00002

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Brand #: 600-402

Vehicle Fit

Warranty & Shipping

DORMAN 4WD Hub Locking Vacuum Switch: 600-402

This new 4WD hub locking vacuum switch is a high quality, aftermarket replacement part.


  • Brand new DORMAN Hub locking switch
  • Direct replacement
  • Built to strict quality control standards

This 4WD hub locking switch has good cost savings over a dealer unit.

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 our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.

FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories.

Shipping is not available to Canada for this item.

Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses.

Final shipping costs are available at checkout

Fits these Makes

Year Make Model Description
2000-2005Ford Excursion Ford Excursion Auto Locking Hub Vacuum Solenoid Valve
1999-2005Ford F250 Super Duty Truck Ford F250 Super Duty Truck Auto Locking Hub Vacuum Solenoid Valve
1999-2005Ford F350 Super Duty Truck Ford F350 Super Duty Truck Auto Locking Hub Vacuum Solenoid Valve
1999-2005Ford F450 Truck Ford F450 Truck Auto Locking Hub Vacuum Solenoid Valve
1999-2005Ford F550 Truck Ford F550 Truck Auto Locking Hub Vacuum Solenoid Valve

Part Interchange

Brand Label Part Number
DIY Solutions TRP00306

This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.

Brand #: 600-402
Product Reviews
5.00/ 5.0 1
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Worked great - just like the OEM parts!
July 9, 2018
Great price and a perfect match! Worked well as soon as I installed it.
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
What is the function of the valve?
February 6, 2016
The 4wd system is operated by vacuum. This system stores vacuum so your 4wd can be activate instantly. The solenoid is a switch in opening and closing of the vacuum system.
February 8, 2016
Customer service


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Ford Auto Locking Hub Vacuum Solenoid Valve Dorman 600-402-DMFWM00002 does not fit your:

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Providing you the highest quality, direct fit replacement auto parts enforced to the strictest product standards.

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Instructional Video Library

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select your Vehicle, to verify this Part will fit.

This part will only fit a vehicle with these options.