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Air Filters
By OE Match
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Designed for installation within the factory airbox, this OE Match filter integrates seamlessly with the original intake system and maintains the correct balance between filtration efficiency and unrestricted airflow. It is ideal for routine maintenance, servicing, or restoration work on Porsche 993 models.
Fits:
Porsche 993 1994 - 1997
The air filter cleans incoming air before it reaches the engine combustion chambers. By preventing contaminants from entering the intake system, it helps protect internal engine components, maintain performance, and support efficient combustion.
Function
• Filters dust, dirt, and airborne contaminants from intake air
• Maintains clean airflow into the engine
• Helps preserve engine performance and efficiency
• Protects internal engine components from wear
• Supports smooth combustion and throttle response
Over time, air filters become clogged with dirt and debris, restricting airflow to the engine. A dirty filter can reduce performance, throttle response, and fuel efficiency while increasing engine wear. Replacing the filter at regular service intervals helps maintain optimal airflow, engine protection, and reliable operation.
When to replace
• During routine scheduled servicing
• Reduced engine performance or throttle response
• Dirty or clogged filter element
• Increased fuel consumption
• After driving in dusty or harsh environments
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99311032701
The product you are viewing cross references to these numbers
OEMatch Air Filters — Service Ready, Reliable Running
Air filters for Porsche models remove dust and debris from intake air to support steady combustion, fuel economy and long-term engine health. OEMatch selections cover pleated paper replacements, reusable cotton-gauze elements and washable foam options for routine service, sympathetic upgrades and restoration work.
Available Types- Pleated paper replacement filters for scheduled maintenance
- Reusable cotton-gauze high-flow elements for sympathetic upgrades
- Washable foam filters suited to some classic and competition applications
Understanding OEMatch Air Filters
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original air filters.
OE (Original Equipment) refers to parts matching original specifications for the air filters and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM air filters engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Air filters trap airborne particles, help keep air–fuel ratios stable and protect pistons, valves and cylinder walls from abrasive contamination. Choice of media and service interval depends on driving conditions, local environment and model-specific intake layouts; inspect the element at service intervals and replace when clogged or damaged.
OEMatch provides a wide selection of Porsche-compatible parts and has catalogued over 4,000 individual part numbers and over 8,700 OE cross-references to support maintenance and repairs. The product range is developed to help owners maintain, restore and use Porsche vehicles across multiple generations.
Benefits Include
- Protects engine internals from dust and abrasive particles
- Helps preserve fuel economy and consistent combustion
- Makes routine servicing straightforward with identifiable part references
Why Air Filters Wear and Fail
- Progressive clogging from dust, pollen and road debris
- Moisture or oil contamination that reduces filtration capacity
- Media degradation from age, heat exposure or mechanical damage
The Importance of Replacing with OEMatch Air Filters
Timely replacement preserves engine protection and consistent performance for Porsche models. Selecting the correct media and correct reference for your vehicle avoids fitment issues, reduces the risk of unfiltered air entering the intake and supports predictable service intervals.
Advantages
- Choice of media types to suit standard service, restoration or performance preferences
- Direct-fit replacements engineered to match original dimensions and tolerances
- Clear part references to assist correct selection for Porsche models
