Brake hoses are available at your local auto parts store. Most likely Raybestos BH4497, or NAPA UP4497. You can measure, but these were used for many years from the mid '30's to 1970. Both front and rear are the same.

Jim


1935 QD 1.5 ton stake bed
1937 SD 1.5 ton stake bed
1944 MS 1.5 ton stake bed
1946 PW 2 ton stake bed