Engines and Components Oiling Systems

TwinPower

Twin Power 17-Up M8 Primary Case to Engine Gasket Replaces H-D 25700455

$36.99

SKU: T09O 043354

In Stock
In Stock
Ships by Aug 5
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 043354

Twin Power (TM) M8 primary case to engine gaskets provide a dependable seal between the engine and primary case, helping prevent fluid transfer or external leaks.

Primary Case to Engine Gasket

MIA's Description

The Twin Power M8 primary case to engine gasket is designed to provide a dependable seal between the engine and primary case. This gasket helps prevent fluid transfer or external leaks, ensuring that engine and primary fluids are kept separated and contained. It is ideal for use during primary removal for clutch or stator work.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTwinPower
Part NumberT09O 043354

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy