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1972 Honda CB500K Exhaust Seals & Fittings

Start an exhaust order for your 1972 Honda CB500K with the connection that needs attention. A headpipe port gasket, finned clamp and rubber muffler connector are separate components. These listings provide repair pieces, with individual and ten-pack gasket options rather than a complete exhaust system.

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Currently viewing Exhaust

Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

Honda CB kick stand stopper rubber 95011-61000

Honda CB Kick Stand Stopper Rubber ~ Replaces 95011-61000

$2.95 USD
07-4624
Replace a worn kick stand stopper with this Kick Stand Stopper Rubber "A", a direct replacement for OEM #95011-61000. Exceptionally broad fitment across the...
Honda CB550 CB500 CB200 exhaust headpipe gasket (each) 18291-216-000

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-216-000

$4.13 USD
17-2816
Replace one exhaust port gasket on your CB500/CB550 or smaller Honda with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-216-000 / #18291-MN5-650. Fits...
Honda CB550F CB550K CB500K exhaust stud set

1971-78 Honda CB550F / CB550K / CB500K Exhaust Stud Set

$34.95 USD
73-1137
Restore secure and leak-free exhaust mounting on your vintage Honda with this premium Exhaust Stud Set. Designed for CB500K, CB550K, and CB550F models, this...
Honda CB550 CB500 CB400 CB350 CB100 chrome exhaust clamp 18231-323-000

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

$24.95 USD
73-0090
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•...
Honda CB550K CB500K muffler connecting tube 18473-323-000

1971-76 Honda CB550K / CB500K Muffler Connecting Tube ~ Genuine Honda 18473-323-000

$34.95 USD
99-5452
This genuine Honda muffler connecting tube fits original-style exhaust assemblies on the Honda CB500K and CB550K Four models listed below. It sits at the...
Honda CB550 CB500 CB200 exhaust headpipe gaskets (pk 10) 18291-216-000

Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-216-000

$32.95 USD
17-3816
Stock up on exhaust port gaskets for your CB500/CB550 or smaller twins with this 10-pack, replacing OEM #18291-216-000 / #18291-MN5-650.Key Features• Exhaust port gaskets,...
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1972 Honda CB500K · Exhaust Buying guide

Choose sealing pieces and fittings by their location

The port gasket and muffler connecting tube seal different locations. The clamp and stud set provide retaining hardware. Check which pieces are worn or missing so the order covers the actual repair.

Parts to consider

1971-76 Honda CB550K / CB500K Muffler Connecting Tube ~ Genuine Honda 18473-323-000 Honda muffler joint connecting tubeGenuine Honda 18473-323-000 rubber tube for the stated original-style exhaust joint. Sold individually; order the quantity required. Check the particular connector position before buying several.View part Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-216-000 Single exhaust port gasketOne port gasket, replacing Honda 18291-216-000 / 18291-MN5-650. The current listing explicitly supplies one piece. Sold individually; order the quantity required.View part 1971-78 Honda CB550F / CB550K / CB500K Exhaust Stud Set Eight-stud exhaust hardware setListed package contains eight exhaust studs, eight washers and eight nuts for the CB500K application. Port gaskets and finned header clamps are not part of these listed contents.View part

Related parts: 14-fin chrome header clamp · Ten-pack of exhaust port gaskets

Check the original-style muffler connection

The genuine Honda tube listing covers the CB500K original-style exhaust application, but warns that connector positions are not all the same. Use the specific Honda number and compare the joint. A rubber connector is a service piece; it does not supply a replacement muffler or baffle.

Separate the fasteners from the seals

The hardware package lists eight studs, eight washers and eight nuts. Individual port gaskets, the ten-pack and the chrome clamp are separate purchases. Review the old clamp and retained pieces as well as the gasket, especially when working with a non-stock header arrangement.

Exhaust Seals & Fittings questions

What should I inspect if the connector rubber is leaking?

Check the rubber for splitting, hardening or swelling, and inspect the mating pipes and clamps. A new tube cannot seal badly corroded or distorted metal; identify that condition before buying rubber alone.

Is 55mm the chrome clamp’s pipe diameter or its mounting spacing?

The 55mm figure is center-to-center mounting-hole spacing, not a stated header-pipe diameter. Compare the mounting holes, flange arrangement and required collars. The replacement references help identify the clamp but do not establish fit for custom headers.

Should every muffler connector use the same tube?

The Honda tube listing says that not every original connector position uses the same part number. Match the joint position to 18473-323-000 and compare your exhaust layout before ordering multiple tubes for the motorcycle.

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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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