James Gaskets Transmission Gasket - Seal Main Drive Gear FL FLH 1/PK 35230-39-DL — Harley-Davidson (1955-2026)

James Gaskets transmission gasket for sealing the main drive gear cavity in FL and FLH V-twin engines. OEM-specification replacement gasket made in the U.S.A. using modern materials and production methods.

Features

• Made in the U.S.A.
• OEM-specification gasket
• Fits FL and FLH main drive gear seal

Specifications

• Brand: James Gaskets
• Manufacturer Part #: 35230-39DL
• Length: 3 in
• Width: 3.95 in
• Height: 0.7 in
• Weight: 0.139 lbs

Fitment

Fits Harley-Davidson FL and FLH models with main drive gear transmission configurations.

Frequently Asked Questions

What does this gasket seal?

This gasket seals the main drive gear cavity in the transmission, preventing oil weep at that critical junction.

Is this an OEM replacement?

Yes — James Gaskets manufactures to OEM specifications as a direct factory replacement for FL and FLH transmissions.

Will this fit other Harley transmission types?

This part is specific to FL and FLH main drive gear applications. Other transmission types require different gasket part numbers.

Is installation difficult?

Installation requires dropping the transmission pan and removing the drive gear cover. If you're not comfortable with transmission work, have a qualified mechanic handle it.