DV6DTEDC 9HP 1.6 HDI 8V PISTON AND CONROD - BIGENDS : 48.56MM LITTLE END : 24.97MM CROWN : 72.52MM Mk1 (T7). This Warranty only covers the main item(s) as described on the invoice i.e. When left attached to for example an engine, this warranty does not cover for water pump, fuel pump, manifolds, clutch, cam belt, timing chain/ tensioner, rear main oil seals, driveshaft transmission seals, etc.