Replace the front brake pipe on a wide range of '70s Hondas with this Front Brake Pipe, replacing OEM #45128-323-020. Approximately 8" total length, fitting the CB750K (1977-78), CB750F Supersport (1975-76), CB500/550 family, and CB450K (1972-74).
Key Features
• Front brake pipe
• Replaces OEM #45128-323-020
• Approximately 8" total length
• Honda part name: Pipe, Fr. Brake
Fitment / Compatibility
• Honda CB750K (1977‑78)
• CB750F (1975‑76) Supersport
• Honda CB500K (1971‑73)
• CB500T (1975‑76)
• CB550K (1974‑78)
• CB550F (1975‑77)
• Honda CB450K (1972‑74)
Part Number: 07-9971
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| Honda | CB750F Supersport | 1975 |
| Honda | CB750F | 1976 |
| Honda | CB750K | 1977 |
| Honda | CB750F | 1977 |
| Honda | CB750K | 1978 |
| Honda | CB750F | 1978 |
| Honda | CB550K0 | 1974 |
| Honda | CB550K1 | 1975 |
| Honda | CB550K2 | 1976 |
| Honda | CB550K3 | 1977 |
| Honda | CB550K4 | 1978 |
| Honda | CB550F1 | 1975 |
| Honda | CB550F2 | 1976 |
| Honda | CB550F3 | 1977 |
| Honda | CB500K0 | 1971 |
| Honda | CB500K1 | 1972 |
| Honda | CB500K2 | 1973 |
| Honda | CB500T Twin | 1975 |
| Honda | CB500T Twin | 1976 |
| Honda | CB450K5 | 1972 |
| Honda | CB450K6 | 1973 |
| Honda | CB450K7 | 1974 |
No listed models match your search.
Free ground shipping over $50
To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.
| Destination | Delivery time |
|---|---|
| USA | 4–7 business days |
| Canada | 2–6 business days |
Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.
60-day returns on eligible parts
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Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.
Frequently Asked Questions
Which Honda CB750 models use front brake pipe 45128-323-020?
The 45128-323-020 replacement fits the listed 1975-1976 CB750F Supersport and 1977-1978 CB750K. Earlier CB750K models use different Pipe B versions, so do not select this approximately 8-inch pipe from length alone.
What is included with Honda front brake pipe 07-9971?
One rigid front brake pipe replacing Honda OEM 45128-323-020 is included. It is the metal pipe section for the listed CB750, CB500, CB550 and CB450 applications, not a complete flexible brake-hose set.