Cometic C9379 Evo Big Twin Starter Shaft Seal - High-Quality NBR Oil Seal for Harley-Davidson

Keep your Harley-Davidson Evolution Big Twin running smoothly with Cometic's C9379 starter shaft seal. This high-performance oil seal is engineered to prevent leaks and maintain optimal engine operation, ensuring long-lasting reliability for riders who demand precision and durability.

Key Features

• Industrial-Grade NBR Material: Nitrile rubber construction resists heat, oil, and abrasion for extended service life.
• Sealed Metal Case Design: Reinforced metal casing provides superior protection against contaminants and mechanical stress.
• Model-Specific Fitment: Precision-engineered for Harley-Davidson Evolution Big Twin primary-mounted starter shafts.

Why Choose This Product

Cometic's C9379 seal combines advanced materials with meticulous manufacturing to deliver unmatched sealing performance. Its black NBR compound withstands extreme operating conditions, while the metal-backed construction ensures durability in high-stress environments. Riders will appreciate the seal's ease of installation and compatibility with original equipment specifications, making it an essential upgrade for maintaining engine integrity and preventing costly leaks.