Cometic Gaskets Inner Primary Seal CG-C9518 for Harley-Davidson (Big Twin 1970-1983)
Keep your motorcycle running smoothly with the Cometic Gaskets Inner Primary Seal pack, designed specifically for vintage Big Twin models from 1970 through early 1984. Manufactured to meet rigorous standards, this precision-engineered seal delivers reliable fluid retention and prevents leaks to safeguard critical primary drive components.
Proudly made in the USA, this high-quality replacement directly replaces OEM # 12018. Supplied in a convenient pack of 5, it provides exceptional value and durability for routine maintenance, rebuilds, and workshop applications.
Key Features
| Brand | Cometic Gaskets |
| Product Type | Inner Primary Seal |
| Manufacturer Part Number (MPN) | C9518 |
| SKU | CG-C9518 |
| Replaces OEM Number | 12018 |
| Package Quantity | Pack of 5 |
| Country of Origin | USA |
| Fitment | Harley-Davidson Big Twin (1970–Early 1984) |
| Weight | 0.1 kg |
Highlights
- Direct replacement for OEM part # 12018
- Convenient workshop pack of 5
- Made in the USA by Cometic Gaskets
- Designed for Harley-Davidson Big Twin 1970–early 1984
Compatibility
Compatible with Harley-Davidson Big Twin models from 1970 to early 1984 requiring OEM # 12018.
Frequently asked questions
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