1979-83 Honda CB900 / CB750 Cylinder Base Gasket ~ Replaces Honda OEM 12191-425-306
Sold individually
Sold individually
Cylinder Base Gasket ~ Replaces Honda OEM 12191-425-306 for the Honda CB models listed below. Use this part for repair, restoration, or replacement work where the listed fitment and OEM reference match your bike.
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| Honda | CB750K Standard | 1979 |
| Honda | CB750K | 1980 |
| Honda | CB750K | 1981 |
| Honda | CB750K | 1982 |
| Honda | CB750F Supersport | 1979 |
| Honda | CB750F | 1980 |
| Honda | CB750F | 1981 |
| Honda | CB750F | 1982 |
| Honda | CB750L Limited | 1979 |
| Honda | CB750C Custom | 1980 |
| Honda | CB750C | 1981 |
| Honda | CB750C | 1982 |
| Honda | CB750SC Nighthawk | 1982 |
| Honda | CB750SC | 1983 |
| Honda | CB900C Custom | 1980 |
| Honda | CB900C | 1981 |
| Honda | CB900C | 1982 |
| Honda | CB900F Supersport | 1981 |
| Honda | CB900F | 1982 |
No listed models match your search.
To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.
| Destination | Delivery time |
|---|---|
| USA | 4–7 business days |
| Canada | 2–6 business days |
Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.
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.
Start your return below. Wait for our instructions before mailing a part back.
Start a returnCanada 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.
It replaces Honda OEM 12191-425-306 for the compatible 1979-1983 DOHC CB750 and CB900 applications shown.
One base gasket is included and one is used beneath the cylinder block on one engine.
No. Replacing it requires top-end disassembly and cylinder-block removal. Check the cylinder base, studs, dowels and sealing surfaces before reassembly.