Alcon ALACIR1559BE07HZRT-LL Replacement Front Left Brake Caliper for Ford Raptor Big Brake Kit

The Alcon CIR1559BE07HZRT-LL is a replacement front left (driver-side) brake caliper designed specifically for use with the Alcon Ford Raptor / F-150 Front Big Brake Kit (BKF1559BE11). This is a direct replacement caliper that arrives pre-loaded with brake pads, making it a straightforward service component for owners of Alcon's high-performance front brake system.

Key Features:

• 6-Piston Fixed Caliper Design: Opposing six-piston configuration delivers equal clamping force on both sides of the rotor simultaneously for consistent, controlled braking performance
• Ductile Iron Housing: Selected over billet aluminum for maximum strength, stiffness, and high resistance to impact and fatigue — built to Alcon's armored and military-grade standards
• Motorsport-Grade Seals: High-temperature seal material sourced from Alcon's motorsport programs, with a dedicated wiper seal on every piston for superior dirt and debris exclusion in off-road conditions
• Corrosion Protection: Epoxy acrylic paint applied over an acid zinc finish for long-term durability in harsh environments
• OEM-Compatible Actuation: Piston sizing engineered to work with the stock master cylinder — no proportioning valve or ABS modifications required
• Low-Profile Design: Fits inside OEM 17-inch Raptor wheels and many 17-inch and larger aftermarket wheels without modification
• Brake Pads Included: Ships with high-friction performance brake pads pre-installed in the caliper
• Left / Driver Side: This caliper is the right-hand trailing (RT-LL) front left caliper

Alcon's Ford Raptor big brake system has demonstrated significant gains over the factory braking setup, including a 10% reduction in disc temperature rise, a 33% reduction in pad work rate, and up to 15% decrease in required pedal effort. The fixed radial-mount caliper design replaces the OEM slider-pin style unit for a stiffer, more consistent pedal feel even under extended hard use. Compatible with Gen 1 and Gen 2 Ford Raptor platforms.

OEM / Cross-Reference Part Numbers: CIR1559BE07HZRT-LL | ALACIR1559BE07HZRT-LL | alcCIR1559BE07HZRT-LL