Royal Enfield 587400/D Genuine Rear Master Cylinder for Classic 350, Classic 500, Thunderbird 350 & Thunderbird 500

The Royal Enfield Rear Master Cylinder for Classic 350 is a replacement component designed for the rear disc braking system of compatible Royal Enfield motorcycles. With part number 587400/D, this rear brake master cylinder is listed for the Classic 350, Classic 500, Thunderbird 350 and Thunderbird 500 models.

The rear master cylinder is an important part of a motorcycle’s hydraulic braking system. It converts the force applied through the rear brake pedal into hydraulic pressure, helping operate the rear disc brake. Maintaining this component in good working condition is important for consistent rear brake operation.

Product Overview

The Royal Enfield 587400/D Rear Master Cylinder is designed for compatible Royal Enfield motorcycles equipped with a rear disc braking system. It supports the hydraulic operation of the rear brake by transferring the rider’s braking input into hydraulic pressure.

If your existing rear master cylinder is damaged, leaking or showing signs of malfunction, it may require inspection or replacement. Selecting the correct replacement part is important to maintain the intended operation of your motorcycle’s braking system.

Before ordering, check the part number and confirm that your motorcycle model and variant match the listed compatibility.

Function of a Rear Brake Master Cylinder

A rear brake master cylinder plays an important role in a motorcycle’s hydraulic braking system. When the rider presses the rear brake pedal, the master cylinder converts that mechanical force into hydraulic pressure.

This pressure travels through the brake lines and helps operate the rear disc brake. The component therefore contributes to the rear braking response and should be inspected if any changes in brake performance are noticed.

Some signs that may indicate a need for inspection include:

• Soft or spongy brake pedal: The pedal may feel less firm than usual.
• Brake fluid leakage: Fluid around the master cylinder or its connections should be checked.
• Inconsistent braking response: The rear brake may not respond consistently when the pedal is pressed.
• Unusual pedal movement: Changes in pedal travel or feel may indicate a braking system issue.

These symptoms can have different causes. A qualified mechanic should inspect the complete braking system before recommending a replacement.

Compatibility – Royal Enfield Rear Master Cylinder

The Royal Enfield 587400/D Rear Master Cylinder is listed for the following models:

Part Number: 587400/D

Fitment: Rear disc braking system.

Always verify the exact motorcycle year and variant before purchasing. Compatibility should also be checked against the existing part number or your vehicle’s parts information.

Why Correct Rear Master Cylinder Fitment Matters

Choosing the correct rear master cylinder is essential because braking components must match the motorcycle’s hydraulic braking system.

An incorrectly matched component may cause installation difficulties or affect brake operation. Before purchasing the Royal Enfield Rear Master Cylinder for Classic 350, consider these checks:

• Confirm your motorcycle model is included in the compatibility list.
• Match the part number 587400/D with your existing component or parts information.
• Check the motorcycle’s year and variant.
• Confirm that your motorcycle uses the relevant rear disc braking system.
• Consult a qualified mechanic if you are unsure about compatibility.

Checking these details before ordering can help you avoid selecting an unsuitable replacement part.

Installation and Maintenance Considerations

The rear master cylinder is a safety-critical braking component. Its installation should be carried out by a qualified motorcycle mechanic or experienced technician.

During replacement, the mechanic should inspect the related brake components, check the hydraulic connections and use the brake fluid specified for the motorcycle. The hydraulic braking system must also be properly bled after relevant work to remove trapped air.

For regular maintenance:

• Check rear brake pedal response periodically.
• Inspect the master cylinder and nearby connections for brake fluid leakage.
• Pay attention to changes in pedal feel or braking response.
• Have the rear braking system inspected if you notice unusual behaviour.
• Follow the motorcycle manufacturer’s recommended maintenance schedule.

Do not ride the motorcycle if the rear brake is not working correctly. Have the braking system inspected before using the vehicle again.

Product Specifications

Buy Royal Enfield Rear Master Cylinder for Classic 350 from Dug Dug Motorcycles

Looking for a Royal Enfield Rear Master Cylinder for Classic 350? The genuine 587400/D rear master cylinder is listed for Classic 350, Classic 500, Thunderbird 350 and Thunderbird 500 motorcycles.

At Dug Dug Motorcycles, you can find Royal Enfield motorcycle spare parts and accessories. Check the product part number and compatibility details before placing your order to help ensure the correct fitment.

You can also visit LIU HJG LED Store for motorcycle lighting accessories and related products.

Choose the correct replacement component and have it installed by a qualified mechanic to support the proper operation of your motorcycle’s rear braking system.

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