Centric 141.66004 Disc Brake Caliper - Front Left

Overview of Centric Premium Semi-Loaded Disc Brake Caliper 141.66004

The Centric Premium Semi-Loaded Disc Brake Caliper 141.66004 is engineered for reliable braking performance on select GM vehicles. Designed as a floating caliper with dual phenolic pistons, it offers consistent stopping power for trucks and SUVs including Chevrolet Silverado and GMC Sierra models.

• Caliper Type: Floating with 2 phenolic pistons
• Caliper Material: Durable cast iron construction
• Inlet Thread Size: M10x1.5 with banjo fitting
• Includes mounting bracket, abutment clips, and bleeder screw
• Compatible with multiple GM trucks and SUVs

Product Line Details: Centric Premium Semi-Loaded Disc Brake Calipers

The Centric Premium Semi-Loaded Disc Brake Calipers line provides semi-assembled calipers that include key components such as brackets and clips, simplifying installation. This product line balances quality materials like cast iron caliper bodies and phenolic pistons with practical features to support professional brake system repairs on vehicles like the Cadillac DeVille and Hummer H2.

Technical Description and Specifications

This disc brake caliper features a 57mm bore size and two phenolic pistons measuring approximately 2.244 inches in diameter, designed to reduce heat transfer and improve brake fluid longevity. The caliper’s gray cast iron body ensures structural integrity under heavy braking conditions. It includes a bleeder screw with M10x1.5 thread size for proper brake fluid bleeding and a banjo-type inlet fitting for secure hydraulic line connection. The package comes with the mounting bracket and abutment clips but does not include brake pads or mounting hardware bolts.

Compatible Vehicles and Applications

• Cadillac DeVille and DTS models
• Chevrolet Avalanche 2500, Silverado 1500/2500/3500 series, Suburban 2500
• GMC Sierra 1500/2500/3500 series, Yukon XL 2500
• Hummer H2
• GMC and Chevrolet Express and Savana 2500/3500 vans

Common Issues Addressed by This Caliper

• Worn or leaking caliper pistons causing brake fluid loss
• Uneven brake pad wear due to caliper malfunction
• Corroded or damaged caliper bodies affecting braking efficiency
• Brake drag caused by sticking caliper pistons
• Replacement of faulty or noisy floating calipers on GM trucks and SUVs

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use proper torque specifications for mounting bracket bolts (not included)
• Bleed brake system thoroughly after installation using the included bleeder screw
• Inspect brake pads and replace if necessary, as pads are not included
• Check inlet fitting and brake lines for secure connection to the M10x1.5 banjo fitting

Quality Assurance and Warranty

Centric Premium Semi-Loaded Disc Brake Calipers are manufactured to meet or exceed OEM standards for durability and performance. The cast iron caliper body and phenolic pistons are designed for long service life under demanding conditions. This part number 141.66004 is backed by Centric’s quality control processes, ensuring reliable fitment and function on compatible Cadillac, Chevrolet, GMC, and Hummer vehicles.