PowerStop L4798 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4798) is designed to provide reliable braking performance for select Buick, Chevrolet, GMC, Isuzu, and Saab models. Engineered as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability for vehicles like the Trailblazer EXT and Envoy XL.

• Floating caliper design with two phenolic pistons
• Constructed from lightweight aluminum casting
• Includes caliper slides and mounting bracket for ease of installation
• Gray finish for corrosion resistance
• Compatible with M10 x 1.0 bleeder screw thread size

Detailed Product Features and Specifications

This PowerStop caliper features a floating design with two 44.96 mm phenolic pistons, which help reduce heat transfer and improve brake system longevity. The aluminum caliper casting offers a balance of strength and weight savings, contributing to overall vehicle efficiency. Included caliper slides and mounting bracket simplify the replacement process, although mounting hardware is not included. The gray color finish provides a protective layer against corrosion, maintaining the caliper's integrity over time.

PowerStop - Front OE Stock Replacement Caliper Product Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit replacements that meet original equipment specifications. This product line is tailored for drivers seeking dependable brake hydraulics components that maintain factory performance standards without modification. The L4798 caliper is part of this line, ensuring compatibility and quality for front brake applications on specific GM and related vehicles.

Compatible Vehicles and Common Applications

• Buick 9-7x
• Chevrolet Trailblazer EXT, SSR
• GMC Envoy, Envoy XL, Envoy XUV, Rainier
• Isuzu Ascender
• Saab 9-7x

This caliper is designed to address issues such as uneven brake pad wear, reduced braking efficiency, brake fluid leaks, and caliper piston sticking. Replacing worn or damaged calipers with the PowerStop L4798 can restore proper brake function and improve vehicle safety.

Installation Notes and Tips

• Ensure the brake system is properly bled after installation to remove air from the lines.
• Verify compatibility with your vehicle’s make and model before installation.
• Use appropriate tools to avoid damaging the phenolic pistons during handling.
• Inspect brake pads and rotors for wear and replace if necessary during caliper replacement.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed OEM standards, using durable materials such as aluminum and phenolic pistons for reliable performance. While specific warranty details are not provided here, PowerStop products typically come with manufacturer-backed quality assurance to ensure customer confidence in their brake components.