Overview
The Baer Brakes 4301588HO is a front Extreme Plus brake system finished in Hugger Orange. It is made for 1973–1986 Chevrolet C10 and 1975–1978 GMC C15 2WD half-ton trucks, along with the other models covered here. Each kit centers on a one-piece Monoblock six-piston 6S caliper clamping a 14 inch two-piece slotted, drilled, zinc plated rotor.
Baer manufactures the system in Phoenix, AZ. The caliper body is CNC machined from US-sourced 2618 aluminum forging and carries a powder coated finish. The kit is intended for trucks already set up with DSE forged aluminum modular spindles.
Key features
- One-piece Monoblock six-piston 6S caliper, CNC machined from 2618 aluminum forging
- Hugger Orange powder coated caliper finish
- Stainless steel pistons, abutments and noise suppression clips
- Staggered pistons designed to reduce uneven pad wear
- Dual dust, weather and pressure seals
- Two-piece slotted, drilled, zinc plated rotor with billet aluminum hat
- Rotors pre-assembled with NAS high grade stainless hardware
- Stainless braided hoses and mounting brackets included
- Uses the popular D1247 FMSI brake pad type
Signs of brake wear
A brake system usually gives warning before it fails. A soft or sinking pedal, a pull to one side under braking, or a grinding noise each point to a problem that should be checked promptly. Vibration through the steering wheel at speed can indicate uneven rotor thickness, while a burning smell after a long descent suggests the system is running hot.
Caliper seals and hoses age even when the truck sits unused. Check for weeping at the piston area and for cracking in the rubber jacket. Because the kit uses stainless braided hoses, any wear is more likely to show at the crimped fittings, so those areas deserve a close look each time the wheels come off.
- Soft pedal or pedal that sinks slowly
- Pulling to one side while stopping
- Vibration at highway speed
- Fluid seepage at fittings or calipers
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4301588HO |
| UPC | 90127912201 |
| Sold as | Kit |
| Caliper | 6S one-piece Monoblock, 6 pistons, fixed |
| Caliper color | Hugger Orange |
| Caliper body | CNC machined 2618 aluminum forging |
| Rotor type | 2-piece slotted, drilled, zinc plated, vented |
| Rotor outside diameter | 14 inch |
| Rotor thickness | 1.25 inch |
| Rotor hat | Billet aluminum |
| Minimum wheel diameter | 18 inch |
| Wheel bolt pattern | 5×4.75/5×5.00 |
| Lug count | 5 lug |
| Brake pad | D1247 FMSI |
| Hose material | Stainless steel |
| Spindles included | No |
| Spindle type | DSE forged aluminum modular 2.5 inch drop spindles |
| Drive | 2WD |
| Axle | Front |
| Template | N072P |
| Grade | Performance |
| Country of origin | USA |
Vehicle fitment
Covered 2WD vehicles include 1973–1986 Chevrolet C10, 1973–1986 Chevrolet C10 Suburban, 1987 Chevrolet R10, 1987–1988 Chevrolet R10 Suburban, 1975–1978 GMC C15, 1975–1978 GMC C15 Suburban, 1973–1974 GMC C15/C1500, 1973–1974 GMC C15/C1500 Suburban, 1979–1986 GMC C1500, 1979–1986 GMC C1500 Suburban, 1987 GMC R1500, and 1987–1988 GMC R1500 Suburban.
Four-wheel-drive trucks fall outside this kit’s coverage. Chevrolet and GMC trucks outside the years above, and later GM pickups, are also outside it. Confirm fit for your vehicle’s year, model and trim before ordering.
Installation notes
Install the DSE forged aluminum modular spindles first, since the fitment notes call for them and the spindles are not part of the box. Baer recommends checking wheel clearance with template N072P against the 14 inch rotor and your chosen wheel before the kit goes on.
What’s included
The kit includes the 6S Monoblock caliper, two-piece rotors pre-assembled with NAS high grade stainless hardware, all mounting brackets, and stainless braided hoses with hardware.
Not included: the spindles. Fitment notes call for DSE forged aluminum modular spindles, but this kit does not ship with them.














