Front brake job made simple — this Dynamic Friction brake kit (MPN 4512-40145, also written 451240145) bundles GEOSPEC coated rotors, DFC 5000 ceramic pads, and the matching hardware into one box, and it's a direct-fit front kit for the 2011-2026 RAM 4500 and 2011-2026 RAM 5500. Designed to meet the same form, fit, and function as the OEM components, it installs without modifications.
Together the components are designed to deliver a consistent pedal feel and correct friction performance for the listed applications. Replace both sides of the axle together as a matched set for even, balanced braking.
What's included in this Dynamic Friction brake kit?
It's a complete front kit with GEOSPEC coated rotors, DFC 5000 asbestos-free ceramic pads, and the matching disc brake hardware — everything needed for a front brake job in one box.
Which vehicles does part 4512-40145 fit?
It's a direct-fit front brake kit for the 2011-2026 RAM 4500 and 2011-2026 RAM 5500. Check the Buyer's Guide tab to confirm it matches your truck.
What is DFC GEOSPEC coating?
A special silver-gray paint finish on the rotors that resists rust better than conventional paint or zinc coatings. It's swept away safely by the pads during bed-in.
Do I need to clean or degrease the rotors before installing?
No. GEOSPEC rotors are processed and shipped dry and are ready to install with no additional pre-degreasing, which saves time during the brake job.
Are the pads ceramic and asbestos-free?
Yes. The DFC 5000 pads use a 100% asbestos-free ceramic formulation with premium rubber-steel-rubber shims to improve noise, vibration, and harshness.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
