Dorman 626-801 HVAC Heater Pipe - Outlet

Dorman HVAC Heater Pipe 626-801

Dorman 626-801 is an HVAC heater pipe built to match the fit and function of the original pipe on specified applications. It is a metal, painted black replacement for outlet-side service on Ram and Dodge Ram trucks, including 2009-2010 Dodge Ram 2500 and 3500 and 2011-2012 Ram 2500, 3500, and 4000.

• Direct replacement HVAC heater pipe for outlet applications
• Metal construction with painted black finish
• OEM-grade molded assembly for factory-style fit
• Includes seal and mounting bracket as listed in the product data
• Designed for Ram 2500 heater pipe replacement and Dodge Ram 3500 outlet service

Fitment and application details

This heater pipe is specified for 2009-2010 Dodge Ram 2500, outlet; 2009-2010 Dodge Ram 3500, outlet; 2011-2012 Ram 2500, outlet; 2011-2012 Ram 3500, outlet; and 2011-2012 Ram 4000, outlet. The part number 626-801 also cross-references 68048997AA for the same application.

Built from metal with a molded assembly shape, this pipe uses metal tube ends and an OEM-grade design to follow the original routing and connection points. Key dimensions listed for this Dorman heater pipe include a 16 mm inside diameter, 19 mm outside diameter, 864 centerline length, 15 mm thread size, and 1 mm thread pitch. End diameters and bead dimensions are provided to support proper sealing and alignment during replacement.

What this part helps address

• Coolant leakage at a damaged heater pipe
• Cracked, corroded, or weakened factory pipe sections
• Loss of heater performance from restricted coolant flow
• Fitment issues after prior repair or pipe replacement
• Outlet-side HVAC hose and pipe connection problems on Ram and Dodge Ram trucks

Installation notes and quality assurance

Verify the outlet position, thread size, and seal requirements before installation. Transfer or replace related sealing components as needed, and confirm the pipe is seated correctly at both metal tube ends before refilling and bleeding the cooling system. Dorman engineers this heater pipe to match original fit and function for specified vehicles, with a focus on reliable performance and durability.

Part number 626-801 is a direct-fit HVAC heater pipe for confirmed Ram and Dodge Ram applications, including 2009-2012 model years listed above.