COMETIC - C10179 - Upper Rocker Box Cover Gasket - .020" - '17-'24 M8
The COMETIC C10179 is a 10-pack of upper rocker box cover gaskets sized .020" thick and engineered with a stainless steel core and .001"-thick Viton rubber coating on both sides, fitting 2017-2024 Harley-Davidson M8 models (OEM part numbers 25700372, 25700372A, 25700372B) — manufactured from premium fuel-resistant materials made in the USA.
Features
- High-quality products for long-term reliability
- Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle
- Viton gaskets features a stainless steel core with a .001"-thick coating of Viton rubber on both sides
- Made in the USA
OEM Part Numbers: 25700372, 25700372A, 25700372B
Specs
- Thickness: 0.51 mm
- Mounting Position: Upper
- Riding Style: Street
- Material: Viton
- Type: Rocker Box
- Units: 10 Pack
- Product Name: Gasket
- Thickness: 0.020"
OEM Part Numbers
- 25700372, 25700372A, 25700372B
Frequently Asked Questions - COMETIC - C10179 - Upper Rocker Box Cover Gasket - .020" - '17-'24 M8
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
