New by-pass hose with an inside diameter of 1.06". This by-pass hose fits the Leyland Tractor 344 (SN 2443> with 3.4TD engine), 384 (SN 40899> with 3.8TD engine), and 4/65 (SN 40899> with 3.8T or 3.8TA engine). (NOTE: replaces VPE4075, 02310332, 86K691)