J.C. Whitney JA27150004 Front Left Brake Caliper OEM Replacement 2-Piston

The J.C. Whitney JA27150004 is a front left (driver side) disc brake caliper designed as a direct OEM replacement. Featuring a 2-piston design, this caliper delivers reliable hydraulic clamping force to bring your vehicle safely to a stop. It is engineered to meet or exceed original equipment specifications for a precise, trouble-free fit.

Key Features:

• Position: Front Left (Driver Side)
• Piston Configuration: 2-Piston
• Piston Size (OD): Approximately 2.01 in (51 mm)
• Inlet Port Size: M10 x 1.0
• Bleeder Port Size: M10 x 1.0
• Piston Material: Steel/Iron
• Type: Direct-fit OEM replacement — no modifications required
• Includes: Caliper assembly with mounting bracket and installation hardware

OEM / Cross-Reference Part Numbers: 45019STXA01, 45019STXA02, 19-B3278, 19B3278

Brake calipers are a critical safety component of any disc brake system. Using hydraulic pressure from the master cylinder, the caliper presses the brake pads firmly against the rotor to slow and stop the vehicle. Over time, exposure to intense heat and road conditions can cause caliper pistons to seize or seals to fail — symptoms include uneven brake pad wear, brake fluid leaks, pulling to one side, or reduced braking performance. Replacing a worn caliper with a quality unit like the J.C. Whitney JA27150004 restores full braking function and driver confidence.

Professional installation is recommended. Always replace brake fluid and bleed the brake system after caliper installation.