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1972 Honda CL350K4 Exhaust Service Parts

Headpipe service starts with identifying the sealing joint, even when the rest of the exhaust will stay in place. The current 1972 Honda CL350K4 selection offers port gaskets in two package sizes; choose the application first and the supply quantity second.

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Honda CB360 CB350 exhaust headpipe gaskets (pk 10) 18291-286-000

Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-286-000

$29.95 USD
17-3811
Stock up on exhaust port gaskets for your CB350, CL350, SL350, or CB360 with this 10-pack of Exhaust Port Gaskets, replacing OEM #18291-286-000 /...
Honda CB360 CB350 CL350K0 exhaust headpipe gasket (each) 18291-286-000

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-286-000

$3.58 USD
17-2811
Replace one exhaust port gasket on your CB350, CL350, SL350, or CB360 with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-286-000 / #18291-286-306.Sold...
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1972 Honda CL350K4 · Exhaust Buying guide

Plan the gasket order around disturbed joints

Individual and ten-piece packages share the same stated replacement references. Inspect the installed pipes and count the joints included in the repair before deciding whether a small order or spare workshop supply makes sense.

Parts to consider

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-286-000 Individual exhaust-port gasketOne gasket, carrying replacement references 18291-286-000 and 18291-286-306.View part Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-286-000 Ten-piece exhaust gasket packTen exhaust-port gaskets; replacement references 18291-286-000 and 18291-286-306.View part

Establish the pipe application first

A motorcycle identity does not establish which headpipes are still fitted after decades of service. For a changed exhaust, compare the pipe supplier’s requirements with the offered gasket references. Check the sealing joint’s condition before assuming that purchasing a fresh gasket addresses every cause of leakage.

Order a useful supply quantity

The single item supplies one gasket and the larger pack supplies ten. Base the order on the work planned and any justified spare stock, without treating pack size as a motorcycle requirement. The shared references identify the offered gasket family; no different construction is established for the bulk package.

Buying questions

Is the ten-pack intended as one motorcycle service set?

Its stated quantity is ten gaskets, not a prescribed motorcycle service count. Count the joints being serviced and choose the larger package only when that supply quantity suits your needs.

Can a correct model-year gasket be assumed to suit aftermarket pipes?

Confirm the pipe maker’s sealing requirements and compare the actual joint. The model-year application does not document every replacement or modified headpipe arrangement that may now be installed.

Should another gasket be ordered if the joint still leaks after recent work?

Have the mating surfaces and mounting arrangement inspected first. A new gasket may be part of the repair, but repeated replacement alone does not identify or resolve other damage at the joint.

Not sure which part you need?

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

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