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1969 Honda CB450K Exhaust Sealing Gaskets

For exhaust-port sealing work on your 1969 CB450K, compare the gasket reference and the number needed before choosing a package. The individual and ten-pack listings identify the same replacement references. Neither package should be mistaken for a complete exhaust or mounting kit.

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Honda CB500 CB450 CL450K2 exhaust headpipe gasket (each) 18291-283-010

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-283-010

$3.58 USD
17-2817
Replace one exhaust port gasket on your CB500T or CB450/CL450 with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-283-010 / #18291-ME9-000 / #18291-MM8-880.Sold...
Honda CB500 CB450 exhaust headpipe gaskets (pk 10) 18291-283-010

Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-283-010

$29.95 USD
17-3817
Stock up on exhaust port gaskets for your CB500T or CB450/CL450 with this 10-pack, replacing OEM #18291-283-010 / #18291-ME9-000 / #18291-MM8-880.Key Features• Exhaust port...
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1969 Honda CB450K · Exhaust Buying guide

Match the port seal, then choose the purchase quantity

One product explicitly supplies a single exhaust port gasket; the other supplies ten per pack. Both list Honda 18291-283-010, 18291-ME9-000 and 18291-MM8-880. Choose by the sealing part and quantity required for the work.

Parts to consider

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-283-010 Single exhaust port gasketOne replacement port gasket with Honda references 18291-283-010 / 18291-ME9-000 / 18291-MM8-880. Sold individually; order the quantity required.View part Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-283-010 Ten exhaust port gasketsPack of ten port gaskets using the same Honda replacement references as the single option. Plan the order from total gasket requirements and pack quantity.View part

Use package contents to set the order quantity

The ten-pack contains ten gaskets, not a stated complete-motorcycle gasket requirement. The individual option provides one piece at a time. Count the joints you will service and any workshop stock you need, then choose the package without assuming the motorcycle requires every piece in a bulk pack.

Check a changed exhaust at its actual joint

If the headpipes or their mounting arrangement have been changed, identify the sealing component at the fitted port joint before ordering. These listings provide replacement references and model applications, not a guarantee for every custom exhaust. Any separate retaining hardware still needs its own check.

Buying questions

Do the two package choices identify different replacement numbers?

Both descriptions state the same three Honda references. The stated purchasing difference is one gasket versus ten per pack. Match the required seal first, then choose quantity rather than inferring a different specification from the package size.

Can I use this reference for a leak farther back in the exhaust?

These are port gaskets for the headpipe connection at the engine. Identify any seal at another exhaust joint separately. A leak near a muffler does not establish that the exhaust-port gasket reference is the required repair part.

What else should I verify before treating the exhaust order as complete?

Check the retaining and mounting pieces needed for the job as separate components. The gasket descriptions do not establish supplied collars, studs, nuts or a complete exhaust assembly. An accurate gasket quantity does not replace that hardware check.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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