

Specifications
- Brand
- TwinPower
- Part #
- 043287
- UPC
- 887337397764

Twin Power 07-15 Big Twin 06 Dyna Transmission Mainshaft Seal Replaces H-D 12077 10 Pk
$105.46
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Twin Power transmission to mainshaft seals (10-pack). Replaces H-D 12077. Fits 07-24 Harley-Davidson Big Twins and 06 Dyna models.
Key Features
- Fits 2007-2024 Harley-Davidson Big Twin and 2006 Dyna models.
- Includes ten transmission to mainshaft seals.
- Replaces Harley-Davidson part number 12077.
- Designed to prevent transmission fluid leaks.
Product Details
If you're working on the transmission of your 2007-2024 Harley-Davidson Big Twin or a 2006 Dyna model, these transmission to mainshaft seals from Twin Power are what you need. This pack comes with ten seals, giving you plenty for a rebuild or for keeping spares on hand. They are designed to replace the H-D 12077 part number, ensuring a direct fit for the intended applications.
These seals are crucial for keeping transmission fluid where it belongs and preventing leaks that can cause damage or performance issues. Having a fresh set of seals during a transmission service is a smart move, especially if you're noticing any seepage around the mainshaft. It's a relatively straightforward part to replace when the transmission is already apart, and using well-made seals like these helps ensure a long service life.
Specifications
- Brand
- TwinPower
- Manufacturer Part #
- 043287
- UPC
- 887337397764
Frequently Asked Questions
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Twin Power 07-15 Big Twin 06 Dyna Transmission Mainshaft Seal Replaces H-D 12077 10 Pk




