Dorman M390162 Brake Master Cylinder

Reliable Brake Master Cylinder for Honda and Isuzu Vehicles

The Dorman M390162 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Honda and Isuzu models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

• Master cylinder bore diameter: 1 inch for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir for brake fluid storage
• Equipped with a sensor to monitor brake system status
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
• Compatible with Honda Amigo, Passport, Pickup, and Isuzu Rodeo models

Product Details and Specifications

The Dorman M390162 master cylinder features a 1-inch bore diameter, providing precise control over brake fluid pressure. Its aluminum construction offers strength and resistance to corrosion, extending the life of the component. The included reservoir allows for proper brake fluid containment, while the integrated sensor supports monitoring of brake system conditions. With two outlets and a rearward outlet thread size of M10 x 1.0, this master cylinder is designed to fit the brake hydraulics system of Honda Amigo, Passport, Pickup, and Isuzu Rodeo vehicles. The thread pitch of 1.0 ensures secure connections within the brake lines.

Common Applications and Problem Resolution

• Restores brake fluid pressure in vehicles experiencing spongy or unresponsive brakes
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Addresses brake warning light activation due to sensor or hydraulic issues
• Improves brake pedal feel and responsiveness in Honda Amigo, Passport, Pickup, and Isuzu Rodeo
• Solves issues related to brake fluid reservoir leaks or contamination

Installation Notes and Tips

Installation of the Dorman M390162 master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Verify compatibility with your specific Honda or Isuzu model before installation. Since mounting hardware is not included, retain original hardware or source appropriate fasteners. Follow manufacturer torque specifications for outlet fittings and sensor connections to prevent leaks.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit and function. The aluminum construction and integrated sensor contribute to reliable operation within the brake hydraulics system. Please consult Dorman’s warranty policy for coverage details related to the M390162 part number.