Nobody Knows Your Truck Better Than NationalNational Truck Spares has dismantled over 5,000 trucks during the past 25 years of business. Most of National's staff have worked here for 10 years or more. This depth of knowledge ensures that the part you receive will be the right part, first and every time. Our pride is in getting it right. All second-hand parts are thoroughly cleaned and inspected for defects.All National Truck Spares engines, transmissions and differentials are covered by a 6 month unlimited kilometre warranty for used parts and up to 12 month unlimited kilometre warranty for fully reconditioned engines.National Truck Spares' warranty is simply the best in the industry because it is backed by an organisation that is committed to after-sales service and, most importantly, they will fix any claim fast.