Freightliner Steering Gear A14-21066-000 For New Cascadia, 47x, 49X, 57x
Heavy-Duty Steering Gear with Lane Keep Assist Servo
Primary Part Number: A14-21066-000
Component Type: Active Steering Gear Box / LKA Steering Rack
Feature: Equipped with Lane Keep Assist (LKA) Servo Motor
Condition: Mixed (Brand New Gear Box + Used/Tested Servo Motor)
Description: Restore precision handling and active steering safety to your rig with this replacement steering gear assembly.
This specific unit features a completely brand-new, never-installed lower steering gear box paired with a used, fully tested, and verified working Lane Keep Assist servo motor mounted on top. We are currently liquidating old inventory, making this an excellent opportunity to replace a leaking or failing active steering rack at a massive discount! The internal seals on the new lower gear are fresh and untouched, and the tested servo ensures your truck's active lane-keeping system can communicate flawlessly with the steering column.
Vehicle Fitment & Compatibility: Compatible with modern Class 8 heavy-duty commercial trucks equipped with advanced driver assistance systems (ADAS) and active steering.
Designed for:
Freightliner: Fits New Cascadia models equipped with Lane Keep Assist camera/radar packages.
Western Star: Fits select modern Western Star chassis utilizing this specific active steering gear box architecture.
Engine Fitment: Because this is a chassis-side steering component, it is fully compatible with chassis running any of the major heavy-duty engine platforms, including:
Detroit Diesel DD13, DD15, and DD16.
Cummins ISX15 and X15.
Fitment Note: Steering gears are highly specific to your truck's exact front axle weight rating and ADAS package. You MUST verify your original part numbers against A14-21066-000 before ordering to guarantee perfect pitman arm splines, hose routing, and electrical plug-and-play compatibility!
Shipping: Iron Eagle Truck Center provides lightning-fast shipping to minimize your downtime and keep your rig out of the shop.
This heavy-duty steering component will ship on the same day!
Ships from Wisconsin — Wisconsin only shipping location for this seller.
