Description:

This replacement master cylinder reservoir cap includes the diaphragm for the listed fitment. The diaphragm sits beneath the cap, forms a flexible barrier above the brake fluid, and moves as the reservoir level changes. Confirm the cap design against the original and seat the diaphragm evenly during installation.

Replaces OEM #43513-MJ6-006

• Includes the master cylinder reservoir cap and diaphragm
• Diaphragm flexes with normal brake fluid level changes
• Confirm the cap design against the original before ordering

Fits

• 1975-1977 Honda CB400F
• 1978 Honda CB400A
• 1978 Honda CB400T