Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram
Check vehicle fitment
64421102100/200
Product Information
Product Information
Heater box, Black Powder Coated, PAIR.

The OE MATCH Heater Box, Black Powder Coated, Pair is a high-quality replacement set of heater boxes designed for classic Porsche heating systems. These heater boxes surround the exhaust heat exchangers and capture heat generated by the engine's exhaust system, directing warm air into the cabin through the vehicle's heating and ventilation ducts.

Fits:

  • Porsche 356A 1955-59

Diagram Ref No 2

Finished in a durable black powder-coated coating, these heater boxes offer enhanced corrosion resistance, improved durability, and an original-style appearance. Manufactured to OE specifications, they provide proper fitment, efficient heat transfer, and reliable operation, making them ideal for restoration projects or replacing corroded and damaged original units.

What This Product Does:

  • Captures heat generated by the exhaust heat exchangers
  • Directs warm air into the cabin heating system
  • Provides efficient cabin heating and demisting performance
  • Helps maintain passenger comfort in cold weather
  • Protects heating system airflow around the heat exchangers
  • Supports proper operation of the vehicle's heating and ventilation system

Symptoms Of Wear Or Failure:
  • Poor cabin heating performance
  • Reduced airflow from heating vents
  • Rust, corrosion, or perforation of the heater box housing
  • Heat loss before warm air reaches the cabin
  • Exhaust fumes entering the heating system
  • Rattling or vibration from damaged housings
  • Uneven cabin temperatures Visible deterioration of heater box components

Why Replacement Matters:
  • Restores efficient cabin heating performance
  • Improves airflow and heat delivery to the passenger compartment
  • Helps prevent heat loss within the heating system
  • Reduces the risk of exhaust fumes entering the cabin
  • Protects heat exchangers and heating system components
  • Improves vehicle comfort during cold weather operation
  • Supports accurate restoration of classicPorsche models
  • Provides long-term corrosion resistance and durability with black powder-coated protection



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

64421102100
64421102100
64421102200
1623200470
1623200480
64421102111
64421102211

The product you are viewing cross references to these numbers