Replace your exhaust clamp with this Chrome Exhaust Clamp, 14-fin type. Center-to-center mounting hole diameter 55mm. Replaces OEM #18231-323-000 / #18231-323-010 / #18231-333-010.
Key Features
• Chrome exhaust clamp
• 14-fin type
• 55mm center-to-center mounting holes
• Replaces OEM #18231-323-000 / #18231-323-010 / #18231-333-010
• Honda part name: Joint, Ex. Pipe
Fitment / Compatibility
• Honda CB500K (1971‑73)
• CB550F (1975‑77) Supersport
• CB550K (1974‑78)
• Honda CB350F (1972 / 1974) Supersport
• CB400F (1975‑77) Supersport
• Honda CB100K (1972)
Part Number: 73-0090
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| 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 | CB350F1 | 1974 |
| Honda | CB100K2 | 1972 |
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
What are the exhaust-clamp dimensions?
The chrome 14-fin clamp has 55mm center-to-center mounting-hole spacing.
Which Honda OEM numbers does it replace?
The clamp replaces OEM numbers 18231-323-000, 18231-323-010 and 18231-333-010.
What does the exhaust clamp do?
It secures the header at the cylinder-head exhaust port when used with the correct collars and hardware.