Back to Products

Gasket Kits
TwinPower
Twin Power 07-15 Big Twin 06 Dyna Transmission Mainshaft Seal Replaces H-D 12077 10 Pk
SKU: twp043287
Twin Power™ transmission mainshaft seal fits 2007-2015 Twin Cam Big Twin and 2006 Dyna 6-speed transmissions, sealing the mainshaft at the primary side.
$102.99
Can Ship - ETA Varies
Shipping ETA may vary. Call or message for specific timing.
Contact sales for purchase
Overview
Twin Power™ transmission mainshaft seal fits 2007-2015 Twin Cam Big Twin and 2006 Dyna 6-speed transmissions, sealing the mainshaft at the primary side.
Features
- Sold in convenient 10-packs for shops and frequent service work
- Designed for 6-speed Twin Cam and 2006-up Dyna applications
- Direct fit replacement for Harley-Davidson 12077
- Made in USA
Transmission Mainshaft Seal, 10 pk.
Similar Items
Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.