Cometic Primary Housing Gasket - M8 .060"afm 1pk Oe#25700378 — Harley-Davidson Road King, Road King Special, Electra Glide Ultra Classic (2017-2019)

Cometic primary housing gasket (.060" AFM) for Harley Milwaukee-Eight and other V-twin engines, engineered to seal the primary cover without leakage under sustained performance use. Direct replacement for OEM part 25700378.

Features

• Manufactured to OEM specification (.060" AFM)
• Cometic gasket technology for V-twin engines

Specifications

• Brand: Cometic
• Manufacturer Part #: C10198F1
• OEM Part Number: 25700378
• Thickness: 0.060" AFM
• Quantity: 1 per pack
• Length: 0.4 in
• Width: 0.5 in
• Height: 0.7 in
• Weight: 0.23 lbs

Fitment

Fits V-twin motorcycles including Harley-Davidson models that use OEM part 25700378.

Frequently Asked Questions

Does this fit my Harley?

This gasket fits V-twin engines using OEM part 25700378. Verify your bike's part number before ordering.

What is AFM material?

AFM (advanced fiber material) is a high-performance gasket compound engineered for V-twin engine durability and heat resistance.

Is this a one-time use gasket?

Yes — gaskets should be replaced during primary cover service rather than reused.

What's included?

One primary housing gasket. Fasteners are not included.