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Home > LINCOLN (Air Only) > 2003-2006 Navigator
The "Factory Trained" Suspension Experts!
Solving Thousands Of Suspension Problems Since 1997!

2003-2006 Lincoln Navigator Air Suspension Parts

If you've found this page, you must have experienced the dreaded "nose or butt on the ground in the morning syndrome".....or either you're thinking ahead to nip this problem in the bud before it leaves you or your family stranded. This model Lincoln came from the factory with a 4 wheel automatic load leveling air system, which is considered by many to be fairly easy to work on, but extremely temperamental. The part that always seems to throw people for a loop is the diagnostic part. Its been our experience over the years, that only 1 in 20 mechanics are good at diagnosing an air ride system, and yes, this even includes the techs at the dealer! Contrary to popular belief, there is no magic involved in an air system. While most can finally get it working after a while, the majority will just keep throwing parts at the vehicle until either they get lucky and fix it......or you the customer runs out of money!

The problem with this model Navigator, is that it is by far the worst designed and most expensive air system to maintain that has ever rolled out of the Blue Oval. Put it this way, to this day, it is the only vehicle we've sold a conversion kit for, for a vehicle that was still under warranty. What does that tell you? Sounds to me like someone loves the vehicle....but it can't stay out of the shop because of the air system.

If your vehicle is somewhere around 10 years old, it's decision time on whether to continue to pour money into a train-wreck of a system.......or install a Lincoln Navigator Air Suspension Conversion Kit and be done with the problem forever. End of chapter....end of story. Our kits require no drilling, cutting or welding. They come with easy to read illustrated instructions and offer a toll-free tech line in case you or your mechanic gets stuck on something during the install.

2003-2006 Lincoln Navigator Air Suspension Compressor - Rebuilt
Usually Ships in 2 to 3 Business Days
Price: $249.00
Your Price: $199.00 >Includes $25 refundable core charge
Lincoln Navigator Air Suspension Compressor 03-06

Rebuilt OEM
One Hole Dryer
Limited Two Year Warranty

2003-2006 Lincoln Navigator Air Suspension Height Sensor - New OEM
Usually Ships in 2 to 3 Business Days
Price: $405.00
Your Price: $299.00
Lincoln Navigator Air Suspension Height Sensor - New 03-06

New Ford OEM
One Year Ford Warranty

2003-2006 Lincoln Navigator Air Suspension Solenoid - Resealed
Usually Ships Out in 1 to 2 Days
Price: $49.95
Your Price: $35.00
Lincoln Navigator Air Suspension Solenoid - Resealed 03-06


Rebuilt OEM
One Hole Dryer
Limited Two Year Warranty


Air Suspension Malfunction

No matter what type of vehicle you drive, if it has Air Ride, it WILL be affected by Cold weather one day.....especially when the vehicle gets older!

How does the cold affect a car that brand new costed $70k? Depending on the design & type of the system, some problems are caused by deteriorated parts. An air suspension equipped vehicle utilizes a rubber air bladder and in the automotive field is called a "Rolling Lobe" type. In time, the rubber air bladder will develop cracks because of dry rot, on "the fold of the rubber", mainly on the area where the rubber has been folded over most of it's life.

The picture below shows a typical rubber air bladder used on an air strut or air spring.
Notice the cracks of the rubber, where the rubber folds around.

Dry-Rotted Air Spring

While most people assume an air bladder is the same thickness as a tire, in reality, most rubber air bladders used in automotive air suspension systems are only 2mm thick! Being that most air bladders last 7-10 years before they start leaking, that's actually pretty good service considering what it deals with in it's lifetime. Ask yourself this....how many things do you know of, can endure this type of punishment and survive 7-10 years? Remember, these air bladders are under the car 24/7...365....in a "hostile environment so to speak. They never get cleaned, never get any type of conditioner on them. To last that long is a testimony of how high-tech a rubber it really is.

Another problem is in the design of the system. When Ford 1st started with air suspension back in 1984, those vehicles had a simple enclosed and "sealed for life" air spring. With this type of design, unless the rubber got power steering fluid on it or rubbed on something solid, you can bet it would last 10 years or more, depending on how much time the vehicle spent parked in a garage.
During it's lifetime, if the solenoids were never removed -OR- they were removed and were resealed(small o-rings) before being installed, weather really didn't have much of an effect on that general design. This is because each end of the rubber air bladder was permanently sealed to it's plastic or metal base, using a metal crimp ring and at least a $25,000 crimping machine. The downside was the replacement cost of the unit. In the case of the front air struts on the Lincoln Mark VIII or the front struts of the 1988-1994 Lincoln Continental, the replacement cost was high. But, if you factor in the lifespan of each design, the old "sealed for life" design gives you way more bang for the buck because of it's darn near bullet-proof design.

Best Air Spring

The design they use most of the time now(like on the Navigator & Expeditions) is an air spring with a plastic base on b
oth ends. It has a hollow middle and it slides over and onto a metal strut......sealed only by a couple big o-rings. In cold weather, the metal on the strut contracts more than the plastic of the air spring base.....which results in a leak where the o-rings are suppose to seal.

New Design Air Spring

With this design, quality replacement air springs are a MUST! Even if you did replace the air springs
with the Best Quality New Ford O.E.M. air springs, with this design your still not guaranteed a leak-free system....especially in cold weather. The reason is tolerances. All it takes is a single replacement air spring base to be .001 too big......and you have an almost guaranteed winter-time leak. This is the whole reason why we won't sell any aftermarket air springs for this type of design. If there's one thing the Chinese ARE NOT known for....it's quality control. In my experience, if you acquire 4 Chinese replacement air springs, you may get lucky and have 1 the absolute right size, which will seal correctly. The others leak all the time.....and some won't leak.....they pour when the temperature drops!

To this day, the only vehicle I've sold a suspension conversion kit for while it was still under factory warranty, was the 2003-Up Expeditions & Navigators that use the newer design.

In my professional opinion, I recommend converting to a conventional coil spring suspension once the vehicle gets over 7-10 years old. If not, make sure to keep your "AAA" membership number on speed-dial!