Call and ask Tamiya USA toll free at 1-800-826-4922, they might help or not. Anyway, since 2014 the Tamiya USA Warranty reads impart:

The item must be purchased NEW in the box from a hobby retailer within the United States. Items purchased on auction websites such as eBay are not warrantied from manufacturing defects or missing part claims. Items purchased from “grey market” overseas resellers are also not warrantied by Tamiya America’s manufacturing or missing part warranty policy.

Read the complete warranty statement here:: https://www.tamiyausa.com/pdf/doc/ta...ranty_2014.pdf

John