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Honda CB550 CB500 CB400 CB350 CB100 chrome exhaust clamp 18231-323-000
OEM fiche reference for VintageCB750 SKU 73-0090

Honda CB Chrome Exhaust Clamp ~ Replaces 18231-323-000

73-0090
$24.95 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,353 store reviews

$24.95 USD

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

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Check the listed model and year, then read any fitment notes in the description.

Honda motorcycle models and years listed for this part
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

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 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.

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Other 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.

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