BSA B31 B33 Carburetor Rubber Air Filter Box Connector Hose – 42-4568

Restoring a classic BSA B31 or B33?

This is the little rubber part you might be missing.

It's the carburetor to air filter box connector hose.

It's a genuine BSA part, number 42-4568.

Brand new, old stock style, never used.

It connects your carb to the air box, making sure you get clean, filtered air.

If your old one is cracked or perished, this is the exact replacement you need.

Keep that British iron breathing right!