Heater Box Repair Pipe, Sold Each

OVERVIEW

Don''t let a rusted-out heater box flange ruin your winter driving experience or compromise your air-cooled engine''s cooling efficiency. For many classic Volkswagen owners, the original heater boxes are a prized component, often featuring superior German heat exchange capabilities compared to modern aftermarket replacements. However, the thin metal outlet pipes where the fresh air hoses connect are notorious for rotting away due to decades of exposure to road salt, moisture, and vibration. Instead of discarding an otherwise functional and expensive heater box, these EMPI Heater Box Repair Pipes allow you to restore the structural integrity of your heat exchangers. By providing a fresh, solid mounting surface for your heater hoses, you ensure that every bit of warmth generated by your engine actually makes it into the cabin rather than escaping into the engine bay.

Engineered for a precision fit and long-term durability, these repair pipes feature a specialized stepped design that caters to the specific tolerances of vintage VW exhaust systems. Manufactured from high-quality steel and finished with a protective zinc plating, they are built to resist the harsh thermal cycles and corrosive environments found underneath your vehicle. The installation process is straightforward for any enthusiast with basic tools; these pipes are designed to be pressed into the remains of the damaged heater box outlet, creating a tight friction fit that can be further secured with a small tack weld if desired. Whether you are performing a concours-level restoration or simply trying to stay warm during a chilly morning commute, these repair pipes represent a cost-effective and robust solution to one of the most common "old VW" headaches.

FITMENT

• Volkswagen Beetle: All years (Except EFI models requiring specific offsets)
• Volkswagen Super Beetle: 1971-1979
• Volkswagen Karmann Ghia: 1956-1974
• Volkswagen Type 3 (Squareback, Fastback, Notchback): 1961-1973
• Volkswagen Thing (Type 181): 1973-1974
• Volkswagen Bus / Type 2: 1950-1971 (Does not fit 1972-1979 Type 4 engine models)

SPECS

• Material: Heavy-duty Zinc-Plated Steel for corrosion resistance
• Design: Stepped outside diameter for universal fitment and secure seating
• Small Diameter: 29mm
• Large Diameter: 35mm
• Total Length: 50mm
• Quantity: Sold as a Pair (Includes two pipes to repair both left and right heater boxes)
• EMPI Part Number: 00-9914-0
• OEM Reference Number: 113-255-107X

PRO TIPS

1. Preparation is Key for a Tight Fit

Before attempting to install the repair pipe, it is vital to clean the inside of the remaining heater box stub thoroughly. Use a small wire wheel or a round metal file to remove any internal scale, rust, or carbon buildup. Because these are designed as a press-fit, even a small amount of debris can prevent the pipe from seating deeply enough. If the original metal is jagged, use a pair of tin snips or a grinder to square off the end, ensuring the new pipe has a flat shoulder to rest against once it is fully inserted.

2. Securing the Pipe for the Long Haul

While the stepped design provides a very snug friction fit, the constant vibration of an air-cooled flat-four engine can eventually cause components to migrate. For a "set it and forget it" installation, we highly recommend adding three small tack welds around the circumference where the repair pipe meets the original heater box housing. If you don''t have access to a welder, a high-temperature exhaust sealant or a small amount of J-B Weld ExtremeHeat can be applied to the 29mm section before pressing it in to create an airtight, vibration-resistant bond.

3. Protecting Your Fresh Air Hoses

Once the repair pipes are installed, you will have a brand-new 35mm surface to clamp your fresh air hoses onto. Always use high-quality stainless steel worm-gear clamps rather than original-style spring clips, as the new pipe provides a much more rigid surface that can handle the extra clamping force. To prevent future rust from forming at the junction point, apply a thin layer of high-heat silver paint over the repair area after installation. This extra layer of protection, combined with the zinc plating, ensures your heater system remains functional for another several decades of service.