Baer Brakes · New
Baer Brakes 99-19 GM 1500 Trucks 15in Extreme+ Rear SDZ Brake Kit - Black
MPN 4302421B · Store SKU bae4302421B
Supplier stock checked 11/7/2026, 2:28:14 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Extreme+ system comes with the 1-piece Monoblock 6-piston, 6S caliper mounted to a 15", 2 piece slot, drill, zinc plated rotor. The 6S caliper is fully machined in Phoenix, AZ from a US sourced 2618 Aluminum forging, includes stainless steel pistons and abutments, D.O.T. compliant dust and weather seals and uses the popular D1247 pad type. Rotors are pre-assembled with NAS high grade stainless hardware. All brackets and hardware are also included. The 15” Extreme+ fits most 19” or larger wheels. Fits Fits 1999-19 GM 1500 Trucks & 2000-20 GM 1500 SUV's (Chevy/GMC/Cadillac) w/OE Rear Disc Brakes & Manual Park Brake Baer Brakes 15" Extreme+ Rear Brake Kit, Black, SDZ
Manufacturer fitment & guides
Check 4302421B against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y