Autotecnica FD0619821 HVAC Heater Hose Assembly - Outlet

HVAC Heater Hose Assembly for Ford F-150

Autotecnica FD0619821 is a molded HVAC heater hose assembly built for direct replacement service on select Ford and Lincoln trucks. It uses NBR construction, a black finish, and a protective sleeve to support heat and coolant routing in the heater circuit.

Compatible with 2004-2008 Ford F-150 and 2006-2008 Lincoln Mark LT applications, this heater hose assembly is shaped for the outlet/heater outlet locations listed below. The Autotecnica FD0619821 part number is also cross-referenced to OE-style replacement numbers for the same application.

Key Features

• Molded heater hose assembly for HVAC coolant routing
• NBR rubber construction with black finish
• Protective sleeve attached for added abrasion resistance
• Clamps included for installation
• 15.7 mm inside diameter at both ends
• 45-degree maximum bend angle
• 20 psi maximum working pressure
• Single-branch molded assembly

Detailed Description

Autotecnica FD0619821 is an HVAC heater hose assembly designed to replace worn, cracked, or leaking heater hoses in the Ford F-150 and Lincoln Mark LT cooling and heater circuit. The molded assembly layout helps maintain the correct hose routing, while the attached protective sleeve adds a layer of protection where the hose passes near hot or abrasive components. The Autotecnica FD0619821 part number is a practical OE-style replacement choice for technicians and DIY repairs that require a direct-fit heater hose solution.

This part cross-references Dorman - OE Solutions 626-578 for the same application.

What It Helps Fix

• Coolant leakage from a deteriorated heater hose
• Restricted heater flow caused by collapsed or damaged hose sections
• Improper hose routing after a previous repair
• Cracking, hardening, or splitting in the heater hose material
• Heat-related wear where the hose runs near engine components

Installation Notes and Tips

Verify the outlet/heater outlet position and molded shape before installation. Inspect mating pipes, clamps, and nearby connections for corrosion or damage, and replace any worn sealing surfaces before fitting the new hose. Confirm the hose routing matches the original path so the molded assembly sits without twist or excessive tension.

Fits 2004-2005 Ford F-150, N/A U Shaped. Fits 2006-2008 Ford F-150, Outlet. Fits 2006-2008 Lincoln Mark LT, Heater Outlet.

Quality Assurance

Autotecnica manufactures aftermarket parts under ISO/TS 16949 quality management system specifications and backs this product line with a two-year, unlimited mileage warranty. The brand supplies replacement components across cooling, HVAC, engine, electrical, steering, suspension, and other vehicle systems for Asian and North American passenger cars and trucks.