Overview
The Baer Brakes 4301525HO is a Hugger Orange Extreme Plus front brake system for GM C/K 1500 trucks and SUVs from 1999 to 2023. Its 1-piece monoblock, 6-piston, 6S caliper grips a 15.0 inch vented rotor, and the setup is designed to suit most 19 inch or larger wheels.
This system is aimed at owners of full-size Chevrolet, GMC and Cadillac models in the listed years who want a bigger front brake package. Baer cannot guarantee fit with every wheel style, so use the N077U template on the planned wheel before installation. The pad type is the D1247.
Key features
- Monoblock caliper in a 1-piece design with a 6-piston 6S configuration, made in Phoenix, Az
- Hugger Orange powder-coated finish
- CNC machined from US-sourced 2618 aluminum forging
- Stainless steel pistons, abutments and noise suppression clips
- Staggered pistons to minimize uneven pad wear
- Dual seals for dust, weather and pressure
- 2-piece slotted, drilled, zinc-plated rotor with billet aluminum hat
Choosing the right setup
Choosing a front brake package for a full-size truck starts with the rotor and caliper size relative to the wheel. A 15 inch rotor needs a wheel that can clear both the caliper body and the rotor hat, so the wheel diameter and spoke design matter as much as the rotor itself.
Front brake upgrades also interact with the suspension and steering. Heavier calipers add unsprung weight, and a tire that is much larger than stock can change brake cooling and contact with the caliper. Matching the brake package to the tire size and intended use gives more predictable results.
Pads should be matched to the way the truck is driven. A street-focused pad wears less on rotors but may fade under heavy braking, while a harder compound can wear rotors faster. Discuss the pad choice with the installer before buying.
- Compare wheel spoke design with the caliper body
- Consider tire size changes alongside the brake setup
- Inspect the front steering components during install
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4301525HO |
| UPC | 90127939192 |
| Caliper | 1-piece monoblock, 6-piston, 6S |
| Caliper color | Hugger Orange |
| Caliper type | Fixed |
| Caliper body | CNC machined 2618 aluminum forging |
| Pistons | Stainless steel |
| Brake pad type | D1247 (FMSI) |
| Rotor outside diameter | 15.0 inch |
| Rotor construction | Vented, 2-piece |
| Rotor thickness | 1.25 |
| Rotor surface | Slotted, drilled and zinc-plated |
| Rotor hat | Billet aluminum |
| Lug count | 6 lug |
| Wheel bolt pattern | 6×5.50 |
| Minimum wheel diameter | 19.0 inch |
| Hardware | NAS high grade stainless steel, pre-assembled |
| Hoses | Re-uses OE hoses |
| Grade | Performance |
| Template | N077U |
| Axle | Front |
| Format | Kit |
| Country of origin | USA |
Vehicle fitment
Fitment covers 1999 to 2023 models, including the Cadillac Escalade (2002-2023), Escalade ESV (2003-2023), Escalade EXT (2002-2013), Chevrolet Avalanche (2002-2006 and 2007-2013), Silverado 1500 (1999-2023), Suburban (2015-2023 and 2000-2014 Suburban 1500), Tahoe (2000-2023), GMC Sierra 1500 (1999-2023), Yukon (2000-2023) and Yukon XL (2015-2023 and 2000-2014 Yukon XL 1500).
The application note reads 00-25 for SUVs and 99-25 for trucks, which runs past the 2023 end year, so confirm the year on your vehicle.
Not on the list: heavy-duty Silverado models and Chevrolet Colorado or GMC Canyon models. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
The Hugger Orange kit arrives with pre-assembled rotors and NAS high grade stainless hardware, and its mounting brackets are part of the package. The system is designed to re-use existing hoses, so have those checked when the caliper goes on. A qualified brake technician should handle the install and confirm wheel clearance against the 19.0 inch minimum before the first drive.
What’s included
The package covers the Hugger Orange 6S monoblock caliper, the 15.0 inch rotor pre-assembled with hardware, and the mounting brackets with all hardware.
Not included: brake hoses, since the system is designed to re-use the ones already on the vehicle.
