The Whirlpool washer model #LSN2000LW1 transmission, or gearcase assembly, has a full one-year warranty. The second through fifth years have a limited warranty for the gearcase assembly. This model number was manufactured in 2003.
The top and lid of this washer also fall under the two- to five-year limited warranty The outer tub has a limited warranty for the second through tenth years, while the white porcelain tub has a lifetime limited warranty.
A copy of this warranty is found on the Whirlpool website in the "Manuals and Literature" link under the "Service and Support" section. A manual for this washer is also available under this link.