Freightliner FL70-FL80 Steer Axle Springs-Hangers

Frequently Asked Questions About Freightliner FL70-FL80 Steer Axle Springs-Hangers

What is the difference between a leaf spring and a spring hanger, and do I need both?

The leaf spring is the curved metal component that supports the weight of the front axle and absorbs road shock, while the spring hanger is the bracket that mounts the spring to the frame rail. If your hanger is cracked, bent, or worn at the pivot points, it should be replaced along with or independently of the spring itself. Many customers replace hangers proactively when doing spring work since both parts wear together over time.

How do I know if my springs or hangers are worn out and need replacement?

Common signs include uneven ride height, a sagging front end, excessive vibration or bouncing over bumps, clunking noises when turning or hitting bumps, and visible cracks, rust-through, or broken leaves on the spring pack. Worn hangers often show elongated bushing holes, cracked welds, or visible metal fatigue where the spring pivots.

Will these springs and hangers fit my specific Freightliner FL70 or FL80 model year?

Fitment can vary by model year, chassis configuration, and GVWR rating, so it is important to check the listed specifications and part numbers against your truck's build sheet or existing components before ordering. If you are unsure, having your VIN or axle information on hand when contacting us will help confirm the correct part for your specific truck.

Can I install steer axle springs and hangers myself, or should I have a shop do it?

This is a heavy-duty suspension job that requires proper lifting equipment, torque specs, and safety precautions since it involves supporting the front axle. While experienced diesel mechanics or fleet technicians may handle this in-house, most owner-operators find it safer and more efficient to have a qualified truck repair shop perform the installation, especially given the alignment and torque requirements involved.

Are these replacement parts OEM or aftermarket, and does that affect quality?

We carry a mix of OEM and quality aftermarket springs and hangers, and each listing specifies which type you are purchasing. Aftermarket parts are manufactured to fit and perform like the original components and are often a more budget-friendly option, while OEM parts guarantee an exact match to factory specifications. Check the product description for material, load rating, and finish details to choose the option that best fits your needs and budget.