Cometic C9441 Heavy-Duty Inner Primary-to-Case O-Ring for 1984–1999 Harley-Davidson Evolution 1340 FLT, FXR, and 5-Speed

Derby Cover O-ring for 1340cc H-D models

OE 11147

Made in USA

Sold in packs of 10

The Cometic C9441 heavy-duty inner primary-to-case O-ring is designed for select 1984–1999 Harley-Davidson Evolution 1340 applications, including FLT, FXR, and five-speed models. It provides a dependable sealing interface between the inner primary and transmission case, helping prevent lubricant leaks and supporting reliable drivetrain operation.
Built for service and replacement applications, this O-ring is manufactured to provide consistent fitment when restoring or maintaining the primary drive assembly. Its application-specific design makes it a practical choice for technicians and Harley-Davidson enthusiasts who want a trusted replacement component from Cometic, a recognized manufacturer of powersports sealing products.
The Cometic C9441 is suitable for use during inner primary service, transmission work, or drivetrain restoration where the original seal has become compressed, damaged, or worn. Always verify the motorcycle model, engine configuration, and transmission setup before installation to ensure proper application. For best results, clean the mating surfaces, inspect the sealing groove, and install the O-ring without twisting or overstretching it.
Application: 1984–1999 Harley-Davidson Evolution 1340 FLT, FXR, and five-speed models
Component: Heavy-duty inner primary-to-case O-ring
Brand: Cometic
Part Number: C9441
Unit of Measure: Each

Features:

• Heavy-duty O-ring for sealing the inner primary to the transmission case

• Application-specific fitment for 1984–1999 Harley-Davidson Evolution 1340 models

• Designed for FLT, FXR, and five-speed configurations

• Helps reduce lubricant leakage at the primary-to-case connection

• Suitable for repair, maintenance, and drivetrain restoration work

• Manufactured by Cometic for dependable powersports sealing performance