Dorman M39653 Brake Master Cylinder

Reliable Brake Master Cylinder for Acura and Honda Vehicles

The Dorman M39653 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Acura and Honda models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and responsive braking performance.

• Master cylinder bore diameter of 0.875 inches for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance and longevity
• Includes an integrated reservoir for brake fluid storage
• Equipped with a sensor to monitor brake system status
• Features two outlets with a secondary outlet thread diameter of 10 mm and rearward outlet size M10 x 1.0
• Thread pitch of 1.0 for secure fitting

Product Details and Specifications

The Dorman M39653 master cylinder is designed specifically for Acura and Honda vehicles, including the Accord, Integra, and Prelude models. Its aluminum construction provides a lightweight yet durable solution that resists corrosion and wear over time. The 0.875-inch bore diameter ensures precise hydraulic pressure control, which is critical for effective braking. This master cylinder comes with a built-in reservoir to hold brake fluid and a sensor to provide feedback on brake system performance. The two outlet ports, including a secondary outlet with a 10 mm thread diameter and a rearward outlet sized M10 x 1.0, allow for proper brake line connections. The 1.0 thread pitch ensures compatibility with OEM brake lines and fittings.

Compatible Vehicles and Applications

• Acura Accord brake master cylinder replacement
• Honda Integra brake hydraulic system repair
• Honda Prelude brake master cylinder upgrade
• Brake system maintenance for Acura and Honda models requiring part number M39653
• Restoring brake fluid pressure and sensor functionality in compatible vehicles

Installation Notes and Tips

When installing the Dorman M39653 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify sensor connections are secure for accurate brake system monitoring. This part does not include mounting hardware, so retain original fasteners or acquire appropriate replacements. Proper torque specifications should be followed to avoid leaks or damage.

Quality Assurance and Warranty

Dorman manufactures the M39653 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.