1998 Dodge Durango SLT, SLT Plus; V8-5.2L; RWD & 4WD. 1998 Dodge Durango SLT; V6-3.9L, V8-5.9L; 4WD. 1998 Dodge Durango Base 4WD. Brake Master Cylinder. Master Cylinder Material: Aluminum. The cast aluminum shell is made of special materials, and the cylinder body is made of fine materials.