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Heater box, Black - Pair. Porsche 356A - 64421102100
64421102100/200
Vehicle Group
- Porsche 356A 1955-59
Information
Heater box, Black Powder Coated, PAIR.
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64421102100
The product you are viewing cross references to these numbers
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Related, superseded, cross reference or alternative numbers for comparison.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
Price: €273.70
In stock
Related products
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Gasket For Heater Flap.
Diagram Ref No 7
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121129700
The product you are viewing cross references to these numbers
The OE MATCH Gasket for Heater Flap is a high-quality replacement sealing gasket designed for the heater flap assembly within the vehicle's heating and ventilation system. This gasket creates an effective seal between the heater flap and its housing, ensuring that warm air is directed correctly through the heating ducts and into the cabin.
Sold Each.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 7
Manufactured to OE specifications, the gasket helps prevent unwanted air leakage, improves heater efficiency, and contributes to proper climate control performance. Made from durable materials resistant to heat, age, and environmental exposure, it is an essential component during heater flap refurbishment or restoration work, particularly on classic Porsche models.
What This Product Does:
- Provides a seal between the heater flap and housing assembly
- Prevents unwanted air leakage within the heating system
- Ensures efficient airflow through the heater ducts
- Helps maintain consistent cabin heating performance
- Supports proper operation of the vehicle's ventilation system
- Reduces heat loss within the heater control system
Symptoms Of Wear Or Failure:
- Reduced cabin heating performance
- Air leaks from the heater flap assembly
- Difficulty maintaining cabin temperature
- Poor airflow direction through heater vents
- Increased drafts entering the cabin
- Rattling or vibration from loose sealing materials
- Visible deterioration, cracking, or missing gasket material
- Reduced efficiency of the heating and ventilation system
Why Replacement Matters:
- Restores an effective air-tight seal within the heater system
- Improves heating efficiency and airflow control
- Reduces unwanted air leaks and heat loss
- Enhances overall cabin comfort
- Supports proper operation of the heater flap mechanism
- Helps maintain original HVAC system performance
- Prevents drafts and inconsistent heating
- Provides a professional finish during restoration or maintenance work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121129700
91121129700
The product you are viewing cross references to these numbers
Price: €4.70
In stock
Vehicle Group
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Heater Flap Box, Long Version.
Stainless Steel. Left & Right SET OF 2
G50 Cars Only
The OE Match Heater Flap Box, Long Version is a high-quality replacement, designed to restore the proper operation of the heating system on compatible classic Porsche models. Manufactured to OE-style specifications, this long-version heater flap box controls the flow of heated air from the heat exchangers into the vehicle's cabin, providing reliable heating and windscreen demisting.
Fits:
Please note the flaps don't come with holes to accommodate caloric sensor. You may need to drill the holes for the rivets.
Located within the vehicle's heating system, the heater flap box uses an internal flap mechanism to direct or divert warm air as required. Over time, exposure to moisture, road debris, heat, and corrosion can cause the housing or flap mechanism to deteriorate, affecting heating performance and air control. This OE Match replacement restores the original functionality and factory appearance, making it ideal for both routine repairs and restoration projects.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121101000
The product you are viewing cross references to these numbers
Stainless Steel. Left & Right SET OF 2
G50 Cars Only
The OE Match Heater Flap Box, Long Version is a high-quality replacement, designed to restore the proper operation of the heating system on compatible classic Porsche models. Manufactured to OE-style specifications, this long-version heater flap box controls the flow of heated air from the heat exchangers into the vehicle's cabin, providing reliable heating and windscreen demisting.
Fits:
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Please note the flaps don't come with holes to accommodate caloric sensor. You may need to drill the holes for the rivets.
Located within the vehicle's heating system, the heater flap box uses an internal flap mechanism to direct or divert warm air as required. Over time, exposure to moisture, road debris, heat, and corrosion can cause the housing or flap mechanism to deteriorate, affecting heating performance and air control. This OE Match replacement restores the original functionality and factory appearance, making it ideal for both routine repairs and restoration projects.
What This Product Does:
- Controls the flow of heated air from the heat exchangers.
- Directs warm air into the cabin when heating is selected.
- Diverts airflow when cabin heat is not required.
- Supports efficient windscreen demisting and defrosting.
- Helps maintain comfortable cabin temperatures.
- Restores correct operation of the Porsche heating system.
- Replaces a corroded, seized, or damaged original heater flap box.
Symptoms Of Wear Or Failure:
- Poor or inconsistent cabin heating.
- Reduced airflow from the heating system.
- Heat remaining on when switched off.
- Little or no warm air reaching the cabin.
- Heater flap sticking or failing to operate.
- Corrosion or rust on the heater flap box.
- Seized or stiff flap mechanism.
- Air leaks around the heater control assembly.
- Excessive rattling or vibration from the flap box.
- Visible deterioration or damage to the housing.
Why Replacement Matters:
- A faulty heater flap box can significantly reduce the effectiveness of your Porsche's heating and ventilation system, making the vehicle less comfortable to drive in colder weather and reducing the ability to demist or defrost the windscreen. A seized or damaged flap may also prevent accurate control of cabin temperature, leaving the heater permanently on or off.
- Replacing a worn heater flap box restores proper airflow management, improves heating efficiency, and helps maintain clear visibility during cold or damp conditions. It also prevents unwanted air leaks within the heating system and contributes to the reliable operation of the entire heating assembly. An OE Match replacement ensures the correct fit, dependable performance, and authentic appearance expected when maintaining or restoring a classic Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121101000
9220001
91121101400
91121101300
The product you are viewing cross references to these numbers
Price: €236.81
In stock
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Heater Flap Boxes In Stainless Steel (Not For G50 Cars)
SET OF 2
Upgrade the durability and reliability of your classic Porsche's heating system with these OE Match Heater Flap Boxes in Stainless Steel, manufactured as a direct replacement. Designed for models not equipped with the G50 gearbox, these heater flap boxes retain the original fit and function while offering the added corrosion resistance of stainless steel construction.
Fits:
Heater flap boxes regulate the flow of warm air from the heat exchangers into the cabin, providing effective heating and windscreen demisting. Original mild steel units are prone to corrosion from moisture, road debris, and repeated heat cycles, which can cause the flap mechanism to seize or the housing to deteriorate. These stainless steel OE Match replacements provide a long-lasting solution, making them ideal for both regular maintenance and high-quality restoration projects.
What This Product Does:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90121100100
The product you are viewing cross references to these numbers
SET OF 2
Upgrade the durability and reliability of your classic Porsche's heating system with these OE Match Heater Flap Boxes in Stainless Steel, manufactured as a direct replacement. Designed for models not equipped with the G50 gearbox, these heater flap boxes retain the original fit and function while offering the added corrosion resistance of stainless steel construction.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Heater flap boxes regulate the flow of warm air from the heat exchangers into the cabin, providing effective heating and windscreen demisting. Original mild steel units are prone to corrosion from moisture, road debris, and repeated heat cycles, which can cause the flap mechanism to seize or the housing to deteriorate. These stainless steel OE Match replacements provide a long-lasting solution, making them ideal for both regular maintenance and high-quality restoration projects.
What This Product Does:
- Control the flow of heated air from the heat exchangers.
- Direct warm air into the cabin when heating is selected.
- Divert airflow when cabin heat is not required.
- Support effective windscreen demisting and defrosting.
- Restore smooth operation of the heating control system.
- Provide improved corrosion resistance with stainless steel construction.
- Replace worn, corroded, or seized original heater flap boxes.
Symptoms Of Wear Or Failure:
- Poor or inconsistent cabin heating.
- Reduced airflow through the heating system.
- Heater remaining on or off regardless of control position.
- Seized or stiff heater flap mechanism.
- Corrosion or rust on the flap box housing.
- Air leaks around the heater flap assembly.
- Rattling or vibration from underneath the vehicle.
- Difficulty operating the heater controls.
- Visible holes or deterioration caused by corrosion.
- Damaged or missing heater flap boxes.
Why Replacement Matters:
- Faulty heater flap boxes reduce the efficiency of your Porsche's heating and ventilation system, affecting cabin comfort and limiting the ability to demist or defrost the windscreen. Corroded housings and seized flaps can also allow unwanted air leaks and prevent accurate temperature control.
- Replacing worn flap boxes restores proper airflow management and dependable heater operation while the stainless steel construction offers significantly greater resistance to corrosion than the original mild steel units. This helps extend service life, reduces future maintenance, and preserves the reliable performance and factory-style operation of the heating system, making these OE Match flap boxes an excellent upgrade for classic Porsche ownership and restoration.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90121100100
90121100700
90121100800
90121100822
90121100722
The product you are viewing cross references to these numbers
Price: €201.11
In stock