J.C. Whitney JN27160004 Rear Left Brake Caliper OEM Replacement 1-Piston

The J.C. Whitney JN27160004 is a brand-new, OEM-replacement rear disc brake caliper for the driver (left) side. Engineered as a direct-fit replacement, this single-piston floating caliper is built to original equipment specifications, restoring proper braking performance without modification.

Key Specifications:

• Position: Rear Left (Driver Side)
• Piston Quantity: 1 piston
• Piston Diameter: 1.37 in (34.80 mm)
• Piston Material: Metal (steel)
• Inlet Port Size: M10 x 1.0
• Bleeder Port Size: M7 x 1.0
• OEM Reference Numbers: 44011JA01A, 19-B2780A, 19B2780A

What's Included:

• 1x Rear Left Brake Caliper
• Caliper mounting bracket
• Installation hardware and mounting bolts

Key Features:

• Brand-new construction — not remanufactured
• Direct OEM-spec fit for a straightforward swap
• Anti-rust protective coating for extended service life
• Built and validated to ISO 9001 and QS 9000 manufacturing standards
• Backed by J.C. Whitney's 1-year, unlimited-mileage warranty

This brake caliper is a reliable, cost-effective solution for restoring confident stopping power. It is sold as a single caliper (driver side only); the bracket, hardware, and mounting bolts are included for a complete installation.