Freightliner Century 112/120 Drum Brake Parts

Frequently Asked Questions About Freightliner Century 112/120 Drum Brake Parts

What drum brake components are available for the Freightliner Century 112/120?

This category covers the components used in drum brake systems for the Century 112 and 120 models, including brake drums, brake shoes, hardware kits, brake chambers, and related mounting components. These parts are designed to service the foundation brake system on the front and rear axles.

How do I know if a part will fit my specific truck?

Fitment on the Century 112/120 can vary based on axle position, axle manufacturer, GVWR rating, and the model year of your truck. Always check the listed specifications, part numbers, and axle application details on each product page, and compare them against your truck's build sheet or the numbers stamped on your existing components before ordering.

How often should brake drums and shoes be inspected or replaced?

Inspection intervals depend on your duty cycle, load weights, and driving conditions, so we recommend following your fleet maintenance schedule or a qualified technician's assessment rather than a fixed mileage number. Common signs that parts need attention include reduced stopping power, uneven wear, visible cracking or scoring on drums, and thinning brake shoe lining.

Do these parts meet DOT and FMVSS requirements?

Drum brake components sold in this category are intended to meet applicable DOT and FMVSS-121 standards for heavy-duty truck brake systems. If a specific certification or standard matters for your application, check the product listing or contact our parts team to confirm before purchasing.

Can I install these parts myself, or should I use a certified technician?

Brake system work directly affects vehicle safety, so installation should only be performed by someone with proper training and experience working on air brake systems. Improper installation or adjustment of drum brake components can lead to brake failure, so if you are not confident in the process, have the work done by a qualified commercial truck technician.