Restore your master cylinder cap with this Master Cylinder Cap with Plastic O-Ring, replacing OEM #45513-341-771. This original style was discontinued long ago by Honda; we have had these produced again to keep your bike looking sharp.
Key Features
• Master cylinder cap with plastic O-ring
• Replaces OEM #45513-341-771
• Reproduction of discontinued OEM style
Fitment / Compatibility
• Honda CB750K (1969‑78)
• CB750F (1975‑78) Supersport
• CB750A (1976‑78) Hondamatic
• Honda CB750F (1979‑82) Supersport
• Honda CB900C (1980‑82) Custom
• CB900F (1981‑82) Supersport
• CB1000C (1983) Custom
• CB1100F (1983) Supersport
• Honda CB500K (1971‑73)
• CB500T (1975‑76)
• CB550F (1975‑77) Supersport
• CB550K (1974‑78)
• Honda CB400A (1978)
• CB400TII (1978)
• CB450K (1970‑74)
• Honda CB350F (1972‑74) Supersport
• CB400F (1975‑77) Supersport
• Honda CB360T (1975‑76)
Part Number: 29-0054
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| Honda | CB750K Standard | 1969 |
| Honda | CB750K | 1970 |
| Honda | CB750K | 1971 |
| Honda | CB750K | 1972 |
| Honda | CB750K | 1973 |
| Honda | CB750K | 1974 |
| Honda | CB750K | 1975 |
| Honda | CB750F Supersport | 1975 |
| Honda | CB750K | 1976 |
| Honda | CB750F | 1976 |
| Honda | CB750A Hondamatic | 1976 |
| Honda | CB750P Police | 1976 |
| Honda | CB750K | 1977 |
| Honda | CB750F | 1977 |
| Honda | CB750A | 1977 |
| Honda | CB750K | 1978 |
| Honda | CB750F | 1978 |
| Honda | CB750A | 1978 |
| Honda | CB750P | 1978 |
| Honda | CB750F Supersport | 1979 |
| Honda | CB750F | 1980 |
| Honda | CB750F | 1981 |
| Honda | CB750F | 1982 |
| Honda | CB900C Custom | 1980 |
| Honda | CB900C | 1981 |
| Honda | CB900F Supersport | 1981 |
| Honda | CB900C | 1982 |
| Honda | CB900F | 1982 |
| Honda | CB1000C Custom | 1983 |
| Honda | CB1100F Supersport | 1983 |
| 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 | CB400F | 1975 |
| Honda | CB400F | 1976 |
| Honda | CB400F | 1977 |
| Honda | CB350F0 | 1972 |
| Honda | CB350F0 | 1973 |
| Honda | CB350F1 | 1974 |
| Honda | CB500T Twin | 1975 |
| Honda | CB500T Twin | 1976 |
| Honda | CB400A | 1978 |
| Honda | CB400TII Hawk | 1978 |
| Honda | CB400TII Hawk | 1978 |
| Honda | CB450K3 | 1970 |
| Honda | CB450K4 | 1971 |
| Honda | CB450K5 | 1972 |
| Honda | CB450K6 | 1973 |
| Honda | CB450K7 | 1974 |
| Honda | CB360T | 1975 |
| Honda | CB360T | 1976 |
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
No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.
Electrical parts are excluded from standard returns. Check return eligibility.
Start your return below. Wait for our instructions before mailing a part back.
Start a returnOther shipping options
Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.
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
Is the master-cylinder cap O-ring included?
Yes. A plastic O-ring is included with the reservoir cap.
Which Honda OEM number does the cap replace?
The cap replaces Honda OEM number 45513-341-771.
Is this cap an original discontinued Honda part?
No. It is a reproduction of the original-style cap that Honda discontinued.