What does an inner primary seal do?

The inner primary seal helps to keep the primary drive compartment sealed. This prevents contaminants like dirt and moisture from entering while also retaining the necessary lubrication for components like the clutch and transmission.

Why does this pack include five seals?

Having five seals in a pack provides spares for future maintenance needs or in case a seal is damaged during the installation process. It's common for mechanics to keep extras on hand for these types of jobs.

Are these seals difficult to install?

Installation of inner primary seals typically requires removing the primary cover and carefully pressing the new seal into place. It's recommended to refer to your specific Harley-Davidson service manual for detailed instructions and any specialized tools that may be needed.

TwinPower Inner Primary Seal 12052 5 Pk - Harley-Davidson 19

Name: Twin Power 84-16 Big Twin Inner Primary Seal Replaces H-D 12052 5 Pk
Brand: TwinPower
SKU: twinpower-twin-power-84-16-big-twin-inner-primary-seal-replaces-h-d-12052-5-pk-t14-610320
Price: 21.49 USD
Availability: InStock

Twin Power 84-16 Big Twin Inner Primary Seal Replaces H-D 12052 5 Pk

$21.49

Only 4 left in stock

Twin Power inner primary seals for 1984-2016 Harley-Davidson Big Twins. Get a 5-pack to replace H-D 12052.

Key Features

Fits 1984-2016 Harley-Davidson Big Twin models.
Includes five (5) inner primary bearing seals.
Features a double lip design for improved sealing.
Direct replacement for Harley-Davidson part number 12052.
Made in the USA.

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Will this fit your vehicle?

Product Details

Twin Power is known for making well-built parts for Harley-Davidson motorcycles. This 5-pack of inner primary bearing seals is a solid option for your Big Twin, covering models from 1984 through 2016. These seals are designed to replace the H-D 12052 part number, helping to keep vital components protected and functioning correctly within your engine.

Each seal in this pack features a double lip design, which offers an improved barrier against contaminants entering the primary drive system and helps retain essential lubrication. They are made in the USA, ensuring a good standard of manufacturing. Having a 5-pack means you’ll have spares on hand for future maintenance or if one gets damaged during installation, which can sometimes happen with these types of seals.

This set fits a wide range of Harley-Davidson models, including popular bikes like the FLHR Road King, FLHT Electra Glide Standard, and FLHX Street Glide. Having these seals ready will help ensure your primary drive stays sealed and your engine runs smoothly.