Overview
Baer’s 4302485B is a black-finished rear disc brake system for Chevrolet and GMC C10-series trucks, with a 14.0 inch two-piece rotor and a six-piston floating caliper. The title places it on 2WD trucks from the 60-87 range, and the large pattern 10/12 bolt C-clip housing ends and 5 lug, 5×5 inch bolt pattern define the match.
A one-piece park brake shoe assembly is built into the backing plate, which also holds the caliper. Stainless braided hoses and stainless hardware complete the kit. Wheel diameter is the first measurement to make, since the 14 inch Pro Plus is intended for wheels 18 inch or larger.
Key features
- Six-piston caliper with stainless pistons, abutments and noise suppression clips
- Staggered piston arrangement designed to reduce uneven pad wear
- Dual seals for dust, weather and pressure
- Two-piece slotted, drilled, zinc-plated rotor on a billet aluminum hat
- CNC machined aluminum caliper parts with a powder coated finish
- Stainless braided hoses, DOT approved
- Rotor hardware pre-assembled in NAS high grade stainless
Park brake considerations
On many classic trucks the parking brake is the least maintained part of the rear end. A shoe assembly housed in the backing plate works only when the adjuster, the lever and the cable all function together. Cable length and the routing past the new caliper and hose should be checked before the truck is driven on a grade.
Parking brake adjustment is a periodic task rather than a one-time setup. Lever travel that grows over time usually points to a worn cable, a seized guide or a shoe that needs adjusting. Keeping the mechanism free of corrosion and road grime helps the system hold the truck reliably over the long term.
- Check lever travel after the first week of use
- Lubricate cable guides and pivot points
- Inspect the cable for fraying near the anchor
- Confirm the truck holds on a grade before normal use
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4302485B |
| UPC | 844165051466 |
| Sold as | Kit |
| Caliper | 6P, 6-piston floating |
| Caliper color | Black |
| Rotor diameter (rear) | 14.0 inch |
| Rotor type | 2-piece, slotted, drilled, zinc plated, vented |
| Rotor thickness | 1.15 |
| Minimum wheel diameter | 18.0 inch |
| Lug count | 5 lug |
| Wheel bolt pattern | 5×5.00 inch |
| Axle | Rear |
| Pad FMSI number | D0731 |
| Template | Q135P |
| Hose material | Steel braided, DOT approved |
| Park brake | Shoe assembly in backing plate; cables not included |
| Emission code | 6 |
| Country of origin | USA |
Vehicle fitment
Vehicles on the manufacturer list: 1960–1966 GMC Suburban, 1960–1965 GMC 1000 Series, 1966 GMC 1000, 1967–1974 GMC C15/C1500 (standard and Suburban), 1975–1978 GMC C15 Suburban, 1979–1986 GMC C1500 Suburban, 1987–1988 GMC R1500 Suburban, 1960–1986 Chevrolet C10, 1967–1986 Chevrolet C10 Suburban, 1987 Chevrolet R10 and 1987–1988 Chevrolet R10 Suburban.
Four-wheel-drive trucks are outside this 2WD application, and models built after 1988 are not covered. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Verify that the 14 inch rotor and caliper clear your wheel against Baer’s Q135P template before fitting. Because the backing plate also holds the park brake shoe assembly, check that the parking brake works before driving.
What’s included
The kit includes the Black six-piston caliper, two-piece rotors with pre-assembled NAS stainless hardware, the backing plate with its one-piece park brake shoe assembly, and steel braided hoses with stainless hardware.
Not included: park brake cables.
