Description
The Baer Brakes 12" SS4 Rear Brake Kit (Part #4402000MG) in Monster Green provides a powerful and visually distinctive rear brake upgrade for Jeep enthusiasts. This kit is designed to fit the rear axle of 2007–2017 Jeep Wrangler JK, 2018–2025 Jeep Wrangler JL, and 2020–2025 Jeep Gladiator JT, exclusively with the OE rear end.
This system features Baer’s S4 4-piston floating calipers, precision CNC-machined in the USA from forged or billet aluminum and finished with a durable Monster Green powder coat. The calipers include hard anodized aluminum pistons, stainless steel abutments, and noise suppression clips for reliable, quiet braking.
Included is a 12.440-inch rotor, constructed as a 1-piece, vented, slotted, drilled, and zinc-plated rotor that efficiently manages heat and maintains braking consistency under demanding conditions. The calipers utilize dual seals compliant with D.O.T. standards, providing dust and weather resistance to extend component life.
Features:
- S4 4-piston floating calipers finished in Monster Green powder coat.
- CNC machined from US-sourced forged or billet aluminum.
- Includes all mounting brackets and hardware required for installation.
- 12.440" vented rotors, 1-piece, slotted, drilled, and zinc plated.
- Caliper hardware includes hard anodized pistons, stainless steel abutments, and noise suppression clips.
- Dual seals for dust/weather and pressure protection.
- Fits most wheels 17 inches or larger.
- Reuses original equipment parking brake components.
- Brake hoses are not included.
Fitment:
- Fits 2007–2017 Jeep Wrangler JK, 2018–2025 Jeep Wrangler JL, and 2020–2025 Jeep Gladiator JT with OE rear ends.
Important Notes:
- Designed for use with OE rear axle assemblies only.
- Reuses factory parking brake system.
- Rotor thickness: 0.447 inches.
- Lug pattern: 5x5.00.
- Prop 65 compliant warning for chemicals including Toluene Diisocyanate and Nickel.
