VehicleWise (Specialist Diesel Ltd) gearboxes undergo a complete strip-down and thorough cleaning. Bearings Seals and gaskets are replaced. All other parts are then meticulously examined and checked against OE specifications and any non-conforming parts are replaced. All new parts used in the process are sourced for their reliability and durability. Our gearboxes are covered by a nationwide 12-month unlimited mileage warranty. All gearboxes are tested prior to final inspection and dispatch.