The Bendix Spares Kit AD-HF, part number K194715, is a service kit designed for the Bendix AD-HF air dryer. The AD-HF is a common heavy-duty air dryer used in commercial truck air brake systems, and this spares kit provides the replacement components needed for a proper service interval rebuild of that unit. Sold individually (each). If you need help confirming this kit covers your specific AD-HF serial range or configuration, call Pro Gear and Transmission before ordering.Interchanges:BWK194715A factory handling fee of $20.00 per unit is added at checkout.FeaturesFits Bendix AD-HF air dryerBendix part number K194715Sold as a single kit (each)Category: Air Brake Dryer service kitGenuine Bendix replacement spares kit