in the parts book, all 39-46 series Jx, Kx, Bx, Ax Cx, Dx, 'single unit' [non-dually] models, have the same fenders listed, 599121 & 599122 .... short answer: no different numbers for rear fenders, all 39-46 light truck rears the same, $14.20 at your local dealer grin

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics