
Overview
This system features the S4 4-piston caliper mounted to a 12.4", 1 piece slot, drill, zinc plated rotor. The S4 caliper has D.O.T compliant dust and weather seals and all mounting brackets and hardware are also included. The 12.4” SS4 fits most 17” or larger wheels.
Features:
- 2-Piece, 4-Piston, S4 Caliper Manufactured in Phoenix, AZ
- CNC Machined from US Sourced Forged or Billet Aluminum
- Powder Coated Finish
- Hard Anodized Aluminum Pistons, Stainless Steel Abutments and Noise Suppression Clips
- Dual Seals, Dust/Weather & Pressure
- 1-Piece Slot, Drilled, Zinc-Plate Rotor
About Baer Brakes

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Specs
Applications | Jeep Gladiator 20+ |
---|---|
Jeep Wrangler 07-17 | |
Jeep Wrangler 2018+ | |
Axle | Rear |
Brand | Baer Brakes |
Caliper | S4 |
Caliper Color | Black |
Disc Brake Caliper (Rear) Piston Quantity | 4 |
Disc Brake Caliper (Rear) Type | Floating |
Disc Brake Pad FMSI Number | 6070013 |
Disc Brake Rotor (Rear) Construction | Vented |
Disc Brake Rotor (Rear) Outside Diameter | 12.440 IN |
Emission Code | 6 |
Export Description | Brake Components |
Fitment Notes | w/OE Rear End |
Grade Type | Performance |
Hose Material | Hoses Not Included |
Includes Park Brake | No, Re-uses OE |
Lug Count | 5 Lug |
Min Wheel Dia (verify using template) | 17 IN |
Product Line | 12 Inch SS4 |
Product Type | 12 Inch SS4 Rear Brake Kit |
Prop 65 (C, R or CR) | CR |
Prop 65 - Long Label | WARNING: This product can expose you to chemicals including Toluene Diisocyanate, and Nickel which are known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov |
Prop 65 - Short Label | WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov |
Prop 65 Yes/No | Yes |
Rotor Thickness | .447 IN |
Rotor Type | 1-Piece |
Surface Type | Slotted, Drilled & Zinc Plated |
System Notes | Designed to be used with stock 2007-Current Jeep Wrangler JK & Jl & 2020-Current Gladiator JT w/OE rear end and axles. Does NOT not include brake hoses. |
Template | S193G |
Title | SS4 Brake System Rear |
Wheel Lug/Bolt Pattern | 5x5.00 |
UPC | 844165045168 |
Part Number | 4402000B |
Tech Resources
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