J.C. Whitney JF27150030 Front Driver Side Brake Caliper OEM Replacement

The J.C. Whitney JF27150030 is an OEM-replacement front brake caliper for the driver (left) side, engineered to restore factory braking performance. Designed as a direct-fit replacement, this caliper installs in the same position as the original unit with no modifications required, making it an ideal choice for a straightforward brake system restoration.

Key Features:

• Direct OEM Replacement: Engineered to meet or exceed original equipment specifications for a precise, factory-style fit
• Phenolic Piston: Features a phenolic piston measuring 2.358 inches in diameter for consistent, reliable clamping force
• Brushed Metal Finish: Durable brushed metal construction with an anti-rust coating to resist corrosion and maintain long-term functionality
• Inlet Port Size: 3/8x24 inch inlet port for proper brake line connection
• Includes Mounting Hardware: Comes with the necessary installation hardware for a complete replacement
• OEM Cross-Reference Numbers: Replaces OEM part numbers including 18-B5486, 18B5486, DC3Z2B120A, HC3Z2B120A, and HC3Z2B120C

The brake caliper is a critical component of the disc brake system, converting hydraulic pressure from the master cylinder into the mechanical clamping force needed to press brake pads against the rotor and bring the vehicle to a safe stop. Over time, caliper seals can harden, pistons can stick, and corrosion can compromise braking efficiency — making timely replacement essential for safety and performance. The J.C. Whitney JF27150030 delivers a reliable, long-lasting solution built to handle the demands of heavy-duty Super Duty truck operation.