Freightliner Columbia 112/120 Shock Absorbers

Frequently Asked Questions About Freightliner Columbia 112/120 Shock Absorbers

How do I know if these shock absorbers will fit my Freightliner Columbia 112 or 120?

Shock absorbers vary depending on whether they are for the front or rear axle, cab suspension, or chassis application, as well as your truck's specific axle configuration and suspension setup. Always check the listed specifications, including mounting length, eyelet or stud configuration, and axle position, and compare them against your truck's build sheet or the part number on your current shock before ordering. If you are unsure, our team can help confirm fitment based on your VIN or existing part number.

What are the signs that my shock absorbers need to be replaced?

Common signs of worn shock absorbers include excessive bouncing, uneven tire wear, a rougher ride than usual, visible oil leakage on the shock body, and increased body roll or sway when cornering or braking. If you notice any of these symptoms, it is a good idea to inspect the shocks and consider replacement to maintain ride control and handling.

Should I replace shock absorbers one at a time or in pairs?

Most technicians recommend replacing shocks in pairs, either both front or both rear, even if only one appears worn. This helps maintain even ride quality and handling on both sides of the truck. Replacing shocks individually can lead to uneven damping performance, which may affect stability and tire wear over time.

Are these shock absorbers gas-charged or hydraulic, and does it matter?

Shock absorbers for the Columbia 112/120 are available in both gas-charged and hydraulic designs, and the right choice depends on the original equipment specification for your truck and your preference for ride characteristics. Gas-charged shocks generally help reduce foaming and maintain more consistent damping under heavy use, while hydraulic shocks are a more traditional option. Check the product listing for the specific type before purchasing to match your truck's original setup.

How difficult is it to install replacement shock absorbers on a Columbia 112/120?

Installation typically involves removing the mounting bolts or pins at the top and bottom of the shock, taking out the old unit, and bolting in the new one, though the process can vary slightly depending on whether it is a front, rear, or cab shock. Most shops can complete this job with basic hand tools and a lift or jack stands. If you are not comfortable with suspension work or do not have the right equipment, having a qualified technician handle the installation is recommended to ensure everything is torqued and aligned correctly.