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Honda CB750A CB750F CB750K Athena gasket set (top end set only) 12191-300-030

1974-78 Honda CB750A / CB750F / CB750K Athena Gasket Set (Top End Set Only) ~ Replaces 12191-300-030

18-0431
$134.95 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 1,329 store reviews

Freshen up the top end of your SOHC CB750 with this Athena Top End Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda, Kawasaki, Suzuki, and all major Italian bike makers. ISO-9000 approved top quality.

Set includes:
• 18-7001 Cylinder Base Gasket (OEM #12191-300-030)
• 18-7002 Cylinder Head Gasket (OEM #12251-300-050)
• 18-7003 Cam Cover Gasket (OEM #12391-300-400)
• 18-7068 Cylinder Sleeve O-Ring Set of 4 (OEM #91304-286-000)
• 18-7015 Cylinder Head Nut Cover Set of 6 (OEM #91318-300-013)
• 18-7018 Cylinder Stud Packing Set of 8 (OEM #12115-300-000)
• 18-7069 Valve Tappet Cover Gasket Set of 4 (OEM #91302-001-020)
• 18-7017 Valve Stem Seal Set of 8 (OEM #12209-300-000)
• 18-7013 Exhaust Headpipe Gasket Set of 4 (OEM #18291-MM5-860)

Key Features
• Athena top end gasket set
• Top-quality ISO-9000 approved
• Comprehensive contents with individual OEM references

Fitment / Compatibility
• All Honda CB750 models (1974‑78)

Part Number: 18-0431

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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 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

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 is included in the Athena CB750 top-end gasket set?

The Athena top-end set includes the cylinder base gasket, cylinder head gasket, cam cover gasket, four cylinder-sleeve O-rings, six cylinder-head nut covers, eight cylinder-stud packings, four valve-tappet cover gaskets, eight valve-stem seals and four exhaust headpipe gaskets.

Does the Athena gasket set include bottom-end engine gaskets?

No. This is a top-end gasket set and does not include the gaskets required for a complete bottom-end rebuild.

How many cylinders does the Athena CB750 gasket set service?

One Athena gasket set services the complete top end of one four-cylinder Honda CB750 engine.

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