PowerStop L4938 Disc Brake Caliper - Front Right

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4938) is engineered to provide reliable braking performance for select Chevrolet, GMC, and Isuzu vehicles. Designed as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability for models like the Chevrolet Colorado and GMC Canyon.

• Cast iron caliper casting for strength and heat resistance
• Includes caliper slides and mounting bracket for ease of installation
• Dual 45.47 mm phenolic pistons for effective brake pad engagement
• Floating caliper design for smooth operation and even pad wear
• Gray finish to match OE appearance
• Compatible with Chevrolet Canyon, Colorado, GMC Canyon, and Isuzu i-280, i-290, i-350, i-370 models
• Bleeder screw thread size M10 x 1.5 for standard brake bleeding procedures

PowerStop - Front OE Stock Replacement Caliper Product Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit replacement parts that meet original equipment specifications. This product line emphasizes durability and compatibility, making it suitable for drivers seeking a reliable disc brake caliper that maintains factory performance and fitment without modification.

Detailed Product Description

This PowerStop disc brake caliper features a cast iron construction that offers robust strength and excellent heat dissipation, essential for maintaining braking efficiency under demanding conditions. The floating caliper design allows the caliper to move laterally, ensuring even pressure distribution across the brake pads. Equipped with two phenolic pistons measuring 45.47 mm in diameter, this caliper reduces heat transfer to the brake fluid, helping to prevent brake fade. The inclusion of caliper slides and a mounting bracket simplifies installation and ensures proper alignment. Finished in gray, the caliper maintains a clean, OE-style appearance.

Compatible Vehicle Applications and Common Issues Addressed

• Replacement for worn or seized front disc brake calipers on Chevrolet Colorado and GMC Canyon models
• Restores braking performance on Isuzu i-280, i-290, i-350, and i-370 vehicles
• Solves issues related to uneven brake pad wear due to caliper slide failure
• Addresses brake fluid contamination and piston corrosion with phenolic piston material
• Eliminates brake noise and sticking caused by damaged or warped calipers

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. The caliper includes a mounting bracket and slides but does not come with additional mounting hardware, so verify existing hardware condition before installation. Use the M10 x 1.5 bleeder screw thread size for standard brake bleeding tools. It is recommended to inspect brake pads and rotors during installation and replace if necessary to maintain optimal braking performance.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed OE specifications, ensuring reliable performance and durability. The cast iron construction and phenolic pistons contribute to long service life under normal operating conditions. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.