Buy Brake Rotor Pair (Rear), KJ, TJ (52128411AB)

The Brake Rotor Pair (Rear), KJ, TJ (52128411AB) is a direct replacement set of rear

brake rotors designed for Jeep vehicles equipped with rear disc brakes, specifically the Jeep

Liberty (KJ) from 2002–2007 hand the Jeep Wrangler (TJ) from 2003–2006.

These rotors are critical components of the braking system, providing the friction surface that

brake pads clamp onto to slow or stop the vehicle. The part number 52128411AB refers to a

matched pair—left and right rear rotors—engineered hto meet factory specifications for performance, fit, and durability.

Manufactured as an OEM‑style replacement, this rotor pair aligns precisely with the

original Jeep design, ensuring proper fitment on hub assemblies without modification. The

rotors are made from high‑quality cast iron, chosen for its excellent heat dissipation, wear

resistance, and structural integrity under repeated braking stress. Cast iron’s ability to absorb

and disperse heat helps reduce the risk of brake fade during repeated stops, maintaining

consistent braking performance even under heavy load or towing conditions.

Each rotor features a vented design, allowing

Each rotor features a vented design, allowing air to flow between the rotor faces and

enhance cooling during operation. Cooler rotors are less prone to warping, cracking, or

excessive wear, extending service life and improving safety. The surface of each rotor is

precision‑machined to ensure a smooth, flat braking surface that promotes even wear with

brake pads, reduces vibration, and minimizes noise during braking.

Installers typically replace rotors in pairs to maintain balanced braking performance across

both rear wheels. Uneven rotor thickness or wear between opposite sides can lead to pulling

during braking, uneven pad wear, and reduced overall stopping effectiveness. Pairing the

rotors also simplifies installation and ensures synchronized performance, which is especially

important for vehicles used in off‑road or high‑load applications.

During installation, it’s recommended to inspect related components such as wheel bearings,

calipers, brake pads, and hardware. Resurfacing may be necessary if rotors are reused and

show signs of minor wear, but rotors in the 52128411AB kit are supplied new and ready for

direct mounting. Proper torque on lug nuts and adherence to manufacturer torque specs for

mounting hardware help prevent rotor distortion.

Common signs that rear rotors need replacement include vibrations or pulsations during braking, uneven pad wear, grooves or scoring on the rotor surface, and audible noise such as squealing or grinding. Timely replacement of the Brake Rotor Pair (Rear) maintains consistent braking performance, enhances safety, and helps extend the life of pads and related brake system components.