The Eaton Fuller countershaft rear bearing shim, part number 4300980, is a precision shim used to set proper bearing preload and clearance at the rear countershaft bearing position in Eaton Fuller manual transmissions. This shim is sold individually and pairs with shim kit K-2116 when a full shim selection is needed during rebuild or overhaul work. Correct countershaft bearing shim selection is critical to transmission longevity and proper gear mesh. Call us to confirm the right shim thickness for your specific Eaton Fuller transmission build.
Features
Genuine Eaton Fuller countershaft rear bearing shim
Part number 4300980, also listed as HF4300980
Sold as individual unit (each)
For use with Eaton Fuller shim kit K-2116 during countershaft bearing setup
Used to set rear countershaft bearing preload in Eaton Fuller manual transmissions
