Arnott Industries Air Suspension Strut P/N:AS-2139

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$704.99
MPN: AS-2139
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Arnott Industries Air Suspension Strut P/N:AS-2139
Arnott Industries Air Suspension Strut P/N:AS-2139
$704.99

Restore a smooth, level ride with the Arnott Industries Front Air Suspension Strut AS-2139 (also written AS2139), a completely assembled, ready-to-install air strut for the 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator. It arrives pre-assembled with the upper mount, a custom-valved shock absorber, air spring assembly, a pre-installed solenoid, and a seal kit — dropping in as a direct-fit replacement for the listed applications (see the Buyer's Guide tab for full engine details).

  • OE-quality components: Built as a complete air suspension strut assembly with a heavy-duty air spring bladder manufactured by Continental ContiTech.
  • Custom-valved shock: A custom-designed shock absorber is matched to the assembly.
  • Pre-assembled for easy installation: Ships with the installed solenoid and seal kit, so it's ready to bolt in.
  • Support & guidance: A detailed installation manual and video are available; for best results it is recommended to replace in pairs.

Signs a front air strut may need replacing include sagging or uneven ride height, a harsh or bouncy ride, and air-suspension warning messages. Purchase this complete, ready-to-install air strut at a fraction of the dealer's retail price.

Interchange: 3L1Z18124CA · 3L1Z18124DA · 6L1Z3C199AA · AU2Z18124F · AU2Z18124J · AU2Z18124K

This part cross-references / interchanges with the following part numbers:

3L1Z18124CA, 3L1Z18124DA, 6L1Z3C199AA, AU2Z18124F, AU2Z18124J, AU2Z18124K

Frequently Asked Questions

Which vehicles does the Arnott AS-2139 fit?

It is a direct-fit replacement for the 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator. See the Buyer's Guide tab for full engine details.

Is this a front or rear air strut?

This is a front air suspension strut assembly for the listed applications.

Does it come ready to install?

Yes. It's pre-assembled with the upper mount, custom-valved shock, air spring assembly, a pre-installed solenoid, and a seal kit.

Should I replace both sides at once?

For best results Arnott recommends replacing air struts in pairs, which helps keep ride height and damping balanced side to side.

What are signs this air strut may need replacing?

Common signs include a sagging or uneven ride height, a harsh or bouncy ride, and air-suspension warning messages. Diagnose the cause before replacing.