PowerStop L2838 Disc Brake Caliper - Rear Right

Rear Right OE Replacement Caliper for Lexus IS300

PowerStop L2838 is a rear right disc brake caliper for 2001-2005 Lexus IS300 applications. It is built as a direct OE stock replacement for drivers restoring factory braking performance on the rear passenger side.

PowerStop’s Autospecialty OE Replacement Brake Calipers line focuses on stock-style fitment, remanufactured construction, and inspected hydraulic operation for everyday repair work on the Lexus IS300.

Key Features

• Direct replacement rear right caliper for 2001-2005 Lexus IS300
• Fixed caliper design with 2 steel pistons
• Cast iron caliper body with gray finish
• 40.36 mm piston diameter
• Remanufactured in Chicago, IL
• Pressure tested to verify piston movement and check for leaks
• Assembled with new seals, dust boots, bleeder screws, and stainless steel brake pad abutment clips
• High-temperature EPDM rubber dust boots and silicone lubricant for smoother operation
• Bleeder screw thread size: M7 x 1.0

Detailed Description

PowerStop L2838 is an OE-style rear right brake caliper for the Lexus IS300, engineered to bolt directly in place of the original stock unit. It uses a fixed cast iron housing with dual steel pistons and a 40.36 mm piston diameter to match the factory hydraulic layout on the rear passenger side. This part number, L2838, is part of PowerStop’s Autospecialty OE Replacement Brake Calipers line, which is focused on stock replacement service for drivers who want a straightforward repair path for the Lexus IS300.

Each caliper is remanufactured and pressure tested to confirm piston operation and help identify leaks before installation. The assembly includes new internal seals, dust boots, bleeder screws, and stainless steel brake pad abutment clips, with EPDM rubber boots and silicone lubricant used to support smooth movement and longer service life in demanding conditions. PowerStop L2838 is a practical choice for rear brake service on 2001-2005 Lexus IS300 models when the original caliper is worn, sticking, or leaking.

What This Caliper Helps Fix

• Rear brake fluid leaks at the caliper body or piston area
• Sticking or uneven rear brake application on the Lexus IS300
• Corrosion-related caliper wear on the rear right side
• Soft, inconsistent, or reduced rear braking response caused by caliper wear
• Brake pad drag from a seized or poorly moving piston

Installation Notes and Tips

Fits 2001-2005 Lexus IS300, rear right. Verify the caliper type, piston size, bleeder location, and brake hose connection before installation. Because mounting hardware and caliper slides are not listed as included, transfer or replace related components as needed during brake service. After installation, bleed the brake system thoroughly and inspect for leaks, pad contact, and proper pedal feel.

Quality Assurance

PowerStop remanufactures this caliper in its Chicago, IL facility and pressure tests each unit to verify piston operation and help prevent leaks. The L2838 is assembled with new seals, dust boots, bleeder screws, and stainless steel brake pad abutment clips to support consistent OE-style service on the Lexus IS300.