V-Twin FXR Alloy Rear Master Cylinder 74738N for Harley-Davidson FXR (1982–1986)

The V-Twin FXR Alloy Master Cylinder 74738N is a rear brake master cylinder compatible with Harley-Davidson FXR models from 1982 through 1986. It features three 1/8 inch NPT fittings—two for brake lines and one for the stop light switch—and an alloy finish for durability.

Dimensions are approximately 8 inches in length, 4 inches in width, and 5 inches in height, providing a compact, bike-specific fit for FXR applications. The unit requires an external reservoir for proper operation, which is essential for maintaining brake fluid levels and safe braking performance.

Compatibility notes: works with OEM part number 42446-82B. A stop switch hole is positioned on the opposite side for certain applications; please verify compatibility with your specific motorcycle before installation.

Quality and standards: crafted to meet or exceed OEM standards, offering durability and reliable performance for FXR braking systems. This master cylinder is manufactured in Taiwan.

For complete brake system restoration or upgrades, consider pairing this master cylinder with the following accessory items:

• Rear Master Cylinder Rebuild Kit (SKU 23-2011)
• FXR Pedal Rod End Kit Zinc Plated (SKU 23-0039)
• FXR Mid Control Kit (SKU 22-0348)
• Rear Master Cylinder Chrome (SKU 23-9196)

This rear master cylinder has 3 fittings with 1/8 inch NPT and features an alloy finish. Two for brake lines and one for stop light switch.

The V-Twin FXR Master Cylinder Alloy, Part 74738N, is a high-quality replacement component designed specifically for Harley Davidson FXR models from 1982 to 1986. Crafted in Taiwan, this master cylinder offers durability and reliable performance to ensure your motorcycle's braking system functions smoothly and effectively. Its compact design features a length of approximately 8 inches, a width of 4 inches, and a height of around 5 inches, making it a perfect fit for your FXR bike. The master cylinder requires an external reservoir for proper operation, which is essential for maintaining optimal brake fluid levels and ensuring safety during riding.

This master cylinder is compatible with OEM part number 42446-82B and is an ideal replacement for worn or damaged components. It includes a stop switch hole positioned on the opposite side for certain applications, so please verify compatibility with your specific motorcycle. The V-Twin FXR Master Cylinder Alloy is built to meet or exceed OEM standards, providing excellent performance and longevity. Ensure your bike's braking system remains responsive with this reliable and easy-to-install part.

For complete brake system restoration or upgrades, consider pairing this master cylinder with accessory items such as the Rear Master Cylinder Rebuild Kit (SKU 23-2011), FXR Pedal Rod End Kit Zinc Plated (SKU 23-0039), FXR Mid Control Kit (SKU 22-0348), and Rear Master Cylinder Chrome (SKU 23-9196). These accessories complement the master cylinder and help maintain your Harley Davidson FXR's braking performance. Trust V-Twin for quality motorcycle parts designed for precise
Fitment
Harley Davidson FXR 1982
Harley Davidson FXR 1983
Harley Davidson FXR 1984
Harley Davidson FXR 1985
Harley Davidson FXR 1986