Dorman M631018 Brake Master Cylinder

Reliable Brake Master Cylinder for Acura RLX

The Dorman M631018 brake master cylinder is designed specifically for Acura RLX models, providing precise hydraulic control for your vehicle's braking system. Engineered with durable aluminum construction, this master cylinder ensures consistent performance and longevity.

• Compatible with Acura RLX brake hydraulics system
• Aluminum master cylinder material for strength and corrosion resistance
• 0.9375 inch bore diameter for accurate hydraulic pressure
• Two mounting holes for secure installation
• Includes one new master cylinder with removable reservoir type
• Two outlets with rearward outlet size M12 x 1.0 thread diameter

Product Details and Specifications

The Dorman M631018 brake master cylinder is crafted from aluminum, offering a balance of lightweight design and durability. It features a 0.9375 inch bore diameter, which is critical for maintaining proper brake fluid pressure and pedal feel. This master cylinder includes two mounting holes to ensure a stable fit within the brake system of the Acura RLX. The unit comes with a removable reservoir type, allowing for easier maintenance and fluid replacement. It has two outlets, with the secondary outlet thread diameter sized at 12 mm, specifically M12 x 1.0, to match the brake line fittings. Note that this part does not include mounting hardware, brake booster, push rod, bleeder hoses, sensors, or a mounting bracket.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure and pedal response in Acura RLX vehicles
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Fixes brake system failures related to master cylinder bore wear
• Supports brake system maintenance and component upgrades

Installation Notes and Tips

Installation of the Dorman M631018 master cylinder requires basic mechanical skills and proper brake system knowledge. Since mounting hardware is not included, ensure you have the correct bolts and fittings for your Acura RLX. Bleeding the brake system after installation is essential to remove air and restore full braking performance. Verify compatibility with your vehicle’s brake booster and reservoir setup, as this part does not include those components.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for the Acura RLX. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics parts to ensure customer confidence and product reliability.