Manufacturer Part Number: 27011AB161. SUBARU Forester SH Differential Rear Diff 11-17. 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.