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  • Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-254-000
Exhaust headpipe gasket, SKU 17-2812: product photo and 1980 Honda CB750K (A) Muffler fiche with the part location highlighted. Example diagram; check listing for fitment.
Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
Honda exhaust headpipe gasket — low side — OEM reference 18291-254-000
Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
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Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-254-000

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Load image into Gallery viewer, Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-254-000
Load image into Gallery viewer, Exhaust headpipe gasket, SKU 17-2812: product photo and 1980 Honda CB750K (A) Muffler fiche with the part location highlighted. Example diagram; check listing for fitment.
Load image into Gallery viewer, Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
Load image into Gallery viewer, Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
Load image into Gallery viewer, Honda exhaust headpipe gasket — low side — OEM reference 18291-254-000
Load image into Gallery viewer, Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
5.0 ( 3 reviews)

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000

17-2812
$3.42 USD

Sold individually

In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,331 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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3 product reviews

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000
$3.42 USD
Description

Replace one exhaust port gasket on your CB750 or big-bore DOHC CB with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-254-000 / #18291-MM5-860. Covers the full SOHC and DOHC CB750 lineup, CB700SC/CB750SC Nighthawk, CB900/CB1000/CB1100 family, and the earliest CB72/CB77 classics.

Sold each, order the quantity you need.

Key Features
• Exhaust port gasket, 1 piece
• Replaces OEM #18291-254-000 / #18291-MM5-860

Fitment / Compatibility

• Honda CB750K (1969‑78)
• CB750F (1975‑78) Supersport
• CB750A (1976‑78) Hondamatic

• Honda CB750K (1979‑82)
• CB750F (1979‑82) Supersport
• CB750C (1980‑82) Custom
• CB750L (1979) Limited

• Honda CB750SC (1982‑83) Nighthawk
• CB700SC (1984‑86) Nighthawk

• Honda CB900C (1980‑82) Custom
• CB900F (1981‑82) Supersport
• CB1000C (1983) Custom
• CB1000 (1994‑95)
• CB1100F (1983) Supersport

• Honda CB72 (1961)
• CB77 (1961)

Part Number: 17-2812

Read More
Read Less

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

Make Model Year
Honda CB750K Standard 1969
Honda CB750K 1970
Honda CB750K 1971
Honda CB750K 1972
Honda CB750K 1973
Honda CB750K 1974
Honda CB750K 1975
Honda CB750F Supersport 1975
Honda CB750K 1976
Honda CB750F 1976
Honda CB750A Hondamatic 1976
Honda CB750K 1977
Honda CB750F 1977
Honda CB750A 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750A 1978
Honda CB750K Standard 1979
Honda CB750F Supersport 1979
Honda CB750L Limited 1979
Honda CB750K 1980
Honda CB750F 1980
Honda CB750C Custom 1980
Honda CB750K 1981
Honda CB750F 1981
Honda CB750C 1981
Honda CB750K 1982
Honda CB750F 1982
Honda CB750C 1982
Honda CB750SC Nighthawk 1982
Honda CB750SC 1983
Honda CB700SC Nighthawk 1984
Honda CB700SC 1985
Honda CB700SC 1986
Honda CB900C Custom 1980
Honda CB900C 1981
Honda CB900F Supersport 1981
Honda CB900C 1982
Honda CB900F 1982
Honda CB1000C Custom 1983
Honda CB1100F Supersport 1983
Honda CB1000R 1994
Honda CB1000S 1995
Honda CB77 1961
Honda CB72 1961

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.

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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

How many Honda 18291-254-000 exhaust-port gaskets are included and required?

One gasket is included. Four are required to reseal all exhaust ports on the listed four-cylinder CB750, CB700, CB900, CB1000 and CB1100 engines; the listed CB72 and CB77 twins require two.

Which Honda exhaust-gasket numbers does 17-2812 replace?

The single crush gasket cross-references Honda OEM 18291-254-000 and 18291-MM5-860.

Should an old exhaust-port gasket be reused?

No. Remove the old crush gasket from each disturbed port and install a new one, then seat the headpipe squarely and tighten the flange hardware evenly to the Honda specification.

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