The Cometic C10306F5 is a molded rubber derby cover seal (clutch cover gasket) designed for select Harley-Davidson Milwaukee-Eight Softail models.

Product Overview
Part Number: C10306F5
OEM Replacement: Replaces Harley-Davidson OE #25701080
Material: High-quality, fuel- and heat-resistant molded rubber
Application: Seals the primary chaincase/derby cover to prevent oil leaks
Vehicle Fitment
Fits select 2018–2026 Harley-Davidson Milwaukee-Eight Softail models (such as specific Breakout, Deluxe, Softail Slim, FXDR, and Low Rider S models).

Key Features
Durable Seal: Resists cracking, creeping, and becoming brittle under high engine heat and pressure.
Reusable: Designed to hold up to repeated installations during routine maintenance or clutch work.
Direct Fit: Drops right into place as an exact OE replacement.