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Heater flaps
By OE Match
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 / 356A - 1950 to 1959
Porsche 356B / 356C - 1959 to 1965
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
54606065
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
The OE Match Ventilation Strainer is a replacement screen filter for the fresh-air and cabin ventilation system of Porsche 356 B and Porsche 356 C models.
Fits:- Porsche 356 B/C 1.6L 01/59-12/65
Diagram Ref No 22
Located at the passenger-compartment ventilation flap box, the strainer helps prevent larger debris, dirt and contaminants from entering the ventilation ducting while still allowing fresh air to pass through the system. It forms part of the original Porsche 356 ventilation arrangement and works alongside the flap control boxes, ducts and fresh-air inlet components.
Unlike a modern pollen or cabin filter, this component is primarily a screen-type strainer designed to stop larger particles and debris rather than provide fine filtration.
What This Product Does:
- Screens incoming ventilation air before it passes through the cabin airflow system.
- Helps prevent leaves, dirt and larger debris from entering the ventilation ducts.
- Helps keep the ventilation flap boxes and ducting cleaner.
- Allows fresh air to pass through while providing basic debris filtration.
- Helps maintain unobstructed ventilation airflow.
- Protects downstream ventilation components from contamination.
- Supports correct operation of the original Porsche 356 fresh-air system.
- Replaces a damaged, corroded, clogged or missing original strainer.
- Helps restore the original ventilation arrangement during vehicle restoration.
Parts diagrams place the strainer directly alongside the left and right ventilation flap control boxes, confirming its role within the Porsche 356 fresh-air distribution system.
Symptoms Of Wear Or Failure:
Possible signs that the strainer requires cleaning or replacement include:
- Reduced fresh-air flow through the cabin vents.
- Uneven airflow from the ventilation system.
- Visible accumulation of dirt, leaves or debris on the screen.
- Screen becoming heavily clogged.
- Torn or damaged mesh.
- Corrosion or deterioration of the strainer.
- Strainer becoming loose inside the ventilation housing.
- Rattling from the ventilation flap-box area.
- Debris entering the ventilation ducts or cabin.
- Missing sections of the screen.
- Distortion preventing the strainer from fitting correctly.
- A missing strainer discovered during restoration or ventilation-system servicing.
Reduced airflow can also be caused by blocked ducts, incorrectly adjusted ventilation flaps or damaged hoses, so the complete fresh-air system should be inspected where necessary.
Why Replacement Matters:
The ventilation strainer helps keep unwanted debris out of the fresh-air distribution system.
If the screen becomes clogged, airflow through the ventilation system can be restricted. If it becomes torn or is missing completely, leaves and other debris can enter the flap boxes and ducting.
Replacing a damaged or heavily contaminated strainer helps:
- Restore unrestricted fresh-air flow.
- Reduce debris entering ventilation ducts.
- Keep flap mechanisms cleaner.
- Prevent larger contaminants reaching the passenger compartment.
- Reduce the chance of debris causing rattles or obstruction.
- Restore the original ventilation-system configuration.
- Improve the quality of a detailed Porsche 356 restoration.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64457267306
The product you are viewing cross references to these numbers
OEMatch Heater flaps — Fit, Function, Confidence
Heater flaps control the direction and mix of warm and cool air in a Porsche’s HVAC ducts to support cabin heating, demisting and balanced ventilation. Many owners search for genuine or OEM heater flaps; these are direct-fit alternatives designed to match the original form, fit and function.
Available Types
- Manual cable-operated flap assemblies
- Electronic actuator assemblies with lever linkage
- Replacement flap panels and seals for duct repairs
Understanding OEMatch Heater flaps
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original heater flaps.
OE (Original Equipment) refers to parts matching original specifications for the heater flaps and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM heater flaps engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Heater flaps sit inside the ventilation housings and open or close passages to route air to the windscreen, footwell or dashboard vents. They work with cables or small electric servos and must seal correctly to avoid leaks and loss of heat. OEMatch maintains a broad catalogue of Porsche-related items to support repair and restoration needs and continues to develop additional parts for ongoing coverage.
Benefits Include
- Restores correct air distribution for effective cabin heating and demisting
- Reduces unwanted drafts and improves temperature consistency
- Replaces degraded seals and pivots to prevent duct leaks and noise
Why Heater flaps Wear and Fail
- Corrosion or seized linkages within metal housings
- Worn or broken hinges and pivot points from repeated movement
- Perished rubber seals or cracked plastic flaps from heat and age
The Importance of Replacing with OEMatch Heater flaps
Fitting sound heater flaps restores the HVAC system’s ability to route warm air where needed, ensuring reliable demisting and a comfortable cabin environment. Timely replacement avoids prolonged heater inefficiency, reduces condensation on glass and prevents further damage to actuators or ducts caused by leaking or jammed flaps.
Advantages
- Parts selected for Porsche model applications and common configurations
- Durable materials to withstand heat cycles and repeated operation
- Options to suit restoration projects and routine maintenance
Support & Advice
Fitting can appear straightforward but may require specific procedures such as linkage adjustment or actuator calibration. If you lack the correct tools or experience, seek professional installation and check fixing points and seals during reassembly.
