Twin Disc logo
Roll over image to zoom in Click on image to zoom
Twin Disc logo

Aftermarket parts may appear slightly different, including the packaging.

AccessoriesTwin DiscMG-509

Twin Disc TD-B1646 Gasket

OEM #: B1646SKU: TDB1646

Ships in 1-2 days

$12.09

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

This part can be used on MG-509-DC and MG-509-SC marine transmissions.

SKU TDB1646
OEM Number B1646
Part Type Miscellaneous
OEM Brand TWIN DISC

Warranty

View warranty details
  • Orders are processed the same or next business day
  • Expedited shipping options available at Checkout
  • If same-day shipping is critical, please call to confirm availability

View full shipping policy

Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.