Overview
The Baer Brakes Pro Plus 4401001R is a front disc brake system kit for the 2007-2017 Jeep Wrangler JK with OE spindles and hubs. It pairs a two-piece six-piston caliper with a 14-inch slotted, drilled and zinc-plated rotor, and the kit is built to fit most wheels 18 inches or larger. The caliper is finished in red, which makes the kit easy to identify on a JK wheel well.
The Pro Plus is a performance front brake upgrade. It uses the D0731 brake pad type, so pads follow the standard FMSI number. It is built for owners of a JK that keeps its original front spindles and hubs.
Key features
- Two-piece six-piston (6P) fixed caliper in red, manufactured in Phoenix, Az
- Two-piece 14-inch rotor with slotted, drilled and zinc-plated surface and a billet aluminum hat
- Vented rotor construction
- Stainless steel pistons, abutments and noise suppression clips
- Staggered pistons to help minimize uneven pad wear
- Dual seals for dust, weather and pressure
- Powder coated finish; CNC machined from US sourced forged or billet aluminum
Choosing a front brake upgrade
A front brake upgrade is most useful when the vehicle is heavier, driven hard or fitted with larger tires. Larger calipers and rotors add stopping capacity, but they also add weight to the front end and may require wheels with enough room behind the spokes. Measure the wheel clearance before the new parts arrive.
Pads should be matched to the caliper and used at a steady pace for the first stops so the friction layer forms evenly. Pre-assembled rotors and stainless hardware reduce set-up time, but the bracket bolts still need correct torque. After installation, a short test drive in a clear area helps confirm pedal feel before normal driving.
- Consider tire size before choosing a wheel
- Bed in new pads with gentle stops
- Torque bracket and wheel bolts correctly
- Bleed the system fully after caliper changes
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4401001R |
| UPC | 844165051909 |
| Sold as | Kit |
| Position | Front |
| Caliper | 6-piston (6P), two-piece, fixed |
| Caliper color | Red |
| Rotor diameter | 14.0 inch |
| Rotor type | Two-piece, vented, slotted, drilled, zinc plated |
| Rotor thickness | 1.15 |
| Rotor hat | Billet aluminum |
| Brake pad FMSI number | D0731 |
| Lug count | 5 |
| Wheel bolt pattern | 5×5.00 in |
| Minimum wheel diameter | 18.0 inch |
| Template | Q085P |
| Country of origin | USA |
Vehicle fitment
Fitment covers the 2007-2017 Jeep Wrangler (JK). The application is Jeep Wrangler 07-17, and the kit is for vehicles with OE spindles and hubs.
The kit is written for the 2007-2017 Jeep Wrangler JK. Confirm fit for your vehicle’s year, model and trim before ordering.
Installation notes
The rotors arrive pre-assembled with NAS high grade stainless hardware, and the mounting brackets and hardware are included. Wheel fit cannot be guaranteed across every wheel style or brand, so compare the Q085P template against your wheel before mounting. Hoses are not included, so confirm your existing brake lines match the new caliper. Brake work affects stopping power, so have the installation checked before the vehicle is driven on the road.
What’s included
The kit includes the two-piece six-piston caliper, the 14-inch two-piece rotor with billet aluminum hat, pre-assembled with stainless hardware, and all mounting brackets and hardware.
Not included: Brake hoses.














