Description
Smooth Ride and Cab Stability
The Cascadia Cab Air Spring 18-73178-000 cushions the cab from road vibration.
It helps reduce shock and noise while you drive.
A working air spring keeps your cab level and comfortable on every trip.
If you feel excess bounce or cab movement, it’s time to replace the air spring.
OEM-Style Design
This is a direct replacement for OEM 18-73178-000.
It mounts to the factory brackets without modifications.
The air spring restores factory ride height and performance.
Specifications:
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Part Number: 18-73178-000
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Application: Freightliner Cascadia Cab Suspension
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Fitment: 2014 – Current Models
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Material: Reinforced rubber with steel end plates
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Mount Type: OEM bolt-on
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Height Range: Adjustable with air pressure
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Cross Reference: 18-73178-000, 67638, SC31Y205, W023587205, W02-358-7205, 1840977000, 660033406, 1S5175,1S5-175, 66003-3406
Each unit is pressure tested and built for long service life.
Durable and Reliable
The Freightliner Cascadia Cab Air Spring is made to handle heavy-duty use.
It resists wear from heat, oil, and road debris.
The reinforced rubber bellow and steel base keep air tight and strong.
It provides consistent support mile after mile.
Easy Installation
You can install this air spring with basic tools.
Steps:
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Release air pressure from the system.
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Remove the old air spring.
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Install the new unit to OEM mounting points.
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Reconnect air lines and fittings.
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Refill air system and check for leaks.
No drilling or cutting needed.
Compatible With
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Freightliner Cascadia 2014 – Current
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OEM Cross Reference: 18-73178-000, 18-73178-001
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Position: Cab Suspension (Left or Right)
Always verify your OEM number before ordering.
Why Choose TZ Parts
At TZ Parts, we supply OEM-fit truck suspension parts built for professional use.
Each part is tested for fit and durability before shipping.
This is a Quality TZ Parts Product, trusted by drivers and fleet operators.
We offer fast nationwide shipping and local pickup.
Shipping and Pickup Locations
📍 Alsip, Illinois Location
TZ Parts – Truck Zone Parts
Address: 5120 W 125th Pl, Alsip, IL 60803
📞 Call: 708-866-2000
💬 Text: 708-910-4096
📧 Email: info@truckzoneparts.com
📍 Fort Myers, Florida Location
TZ Parts – Truck Zone Parts
Address: 17121 Cam Ct, Fort Myers, FL 33967
📞 Call: 239-342-7777
💬 Text: 239-341-7777
📧 Email: info_fl@truckzoneparts.com
Pickup available Monday through Saturday.
Learn More
Read about air suspension safety at the U.S. Department of Transportation (external link, nofollow).
Explore more Freightliner Cascadia Parts on TZParts.com.
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