MPA Electrical M52237 Brake Master Cylinder

Brake Master Cylinder for Toyota MR2

Restore consistent brake pedal feel with this remanufactured brake master cylinder from MPA Electrical. Built for 1985-1989 Toyota MR2 models with front disc brakes, M52237 is a standard replacement part for hydraulic brake system service.

Key Features

• Fits 1985-1989 Toyota MR2, N/A, with front disc brakes
• Remanufactured cast iron master cylinder
• 0.875 in. bore diameter for OE-style hydraulic operation
• Uses DOT 3 brake fluid
• 4 mounting holes with 0.36 in. mounting hole diameter
• Standard replacement grade for brake hydraulic repair
• Interchanges with part number 4720117040

Product Details

MPA Electrical M52237 is a remanufactured brake master cylinder engineered to restore braking performance on Toyota MR2 applications. It is built from cast iron and tested against OE specifications using controlled remanufacturing processes and sample-based validation. This part number, M52237, is specified for 1985-1989 Toyota MR2 vehicles with front disc brakes and is a direct hydraulic service component for the brake system.

The MPA Electrical reman with front disc brakes product line focuses on OE-style brake hydraulic replacement parts for vehicles that require accurate bore sizing, mounting geometry, and fluid compatibility. For Toyota MR2 owners searching for a reman brake master cylinder, Toyota MR2 brake master cylinder replacement, or M52237 for 1985-1989 Toyota MR2 front disc brakes, this unit matches the listed application and specifications.

Common Brake Issues It Can Address

• Low or inconsistent brake pedal response
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder body
• Uneven or reduced hydraulic pressure in the brake system
• Brake performance concerns tied to worn master cylinder seals or bore wear

Installation Notes

Verify the vehicle’s brake configuration before installation; this part is listed for Toyota MR2 models with front disc brakes. Transfer or source any required external components separately, since the reservoir, cap, push rod, brake booster, sensor, pressure switch, gasket, seal, and mounting hardware are not included. Use clean DOT 3 brake fluid, bench bleed the master cylinder before installation, and bleed the full brake system after installation to remove trapped air.

Quality Assurance

MPA Electrical remanufactures brake master cylinders using OE sample references and testing protocols aligned to OE specifications to help ensure consistent hydraulic performance out of the box. This part cross-references 4720117040 for the same application.