PowerStop L1138 Disc Brake Caliper - Front Right

Front Right OE Replacement Caliper

PowerStop L1138 is a front right disc brake caliper built as a direct OE stock replacement for select BMW applications. It is remanufactured in Chicago, pressure tested for piston operation and leak prevention, and assembled with new seals, slide pins where applicable, dust boots, bleeder screws, and stainless steel brake pad abutment clips.

Compatible With 1984-1991 BMW 3 Series models with Girling front calipers, this PowerStop front OE stock replacement caliper supports a straightforward brake service on the front right side. The gray cast iron floating caliper design uses a steel piston and includes the mounting bracket and caliper slides for a factory-style replacement.

Key Features

• Part number L1138 front right disc brake caliper
• OE stock replacement for select BMW 318i, 318is, 325i, 325is, 325iX, 325e, and 325es applications
• Floating caliper design with 1 steel piston
• Cast iron caliper body with gray finish
• Mounting bracket included; caliper slides included
• High-temperature EPDM rubber dust boots and silicone lubricant for smoother operation
• Bleeder screw thread size: M7 x 1.0

Detailed Description

PowerStop’s Autospecialty OE Replacement Brake Calipers are built for drivers who want a direct-fit brake hydraulic replacement without changing the original brake layout. L1138 is remanufactured to OE-style specifications and pressure tested to verify piston movement and help confirm leak-free operation before installation. The caliper is assembled with new internal service components and corrosion-resistant stainless steel pad abutment clips for consistent pad contact.

This front right caliper is a strong match for BMW 3 Series vehicles equipped with Girling front calipers, including 1984-1987 BMW 325e, 1986-1987 BMW 325es, 1987-1991 BMW 325i and 325is, 1988-1991 BMW 325iX, and 1991 BMW 318i and 318is. If you are searching for a front right brake caliper for a 1991 BMW 318i or a 1987-1991 BMW 325i, L1138 provides the OE-style replacement format needed for that service.

What It Helps Fix

• Sticking or seized front right caliper piston
• Brake fluid leaks at the caliper body or bleeder area
• Uneven front brake pad wear
• Poor brake pedal response caused by caliper wear
• Corrosion-related caliper movement issues

Installation Notes and Tips

Verify front right fitment by year, model, and Girling front caliper configuration before ordering. Transfer or replace brake pads and inspect the brake hose, rotor condition, and mounting surfaces during service. Bleed the brake system after installation and confirm proper piston travel and caliper slide movement before returning the vehicle to service.

Quality Assurance

PowerStop remanufactures the caliper and bracket in its Chicago, IL facility and pressure tests each unit for quality and safety verification. The Autospecialty OE Replacement line focuses on stock-style brake service parts for budget-conscious repairs while maintaining OE-style construction and inspection standards.