do not press the back button…
-
Engine Parts
-
- Engine Rebuild Parts Oil System Parts Fuel System Parts Gaskets & Sets Radial Seal / RMS / Camshaft / Balance shaft Belts / Tensioners / Rollers Chains & Tensioners Timing covers and gaskets Engine Bearings / Shells Engine Valves / Guides / Springs Engine Bolts / Studs Engine Mounts Piston Rings Engine Cylinders / Liners / Pistons Connecting Rod Cylinder Head / Camshaft Carrier Camshaft covers / Gaskets Camshafts Camshaft gears / sprockets and fixings Crankcase Parts Crankshaft & Parts Turbo Chargers / Intercoolers & Parts Air Intake & Injection All Categories
-
Brakes
-
- Brakes Brake Pads & Disc Package Brake Disc Standard Brake Pads Standard SPORTS Brake Disc Brembo Standard brakes Brembo Racing brakes TEXTAR Brakes PAGID Racing Brakes Zimmermann Brakes Performance Friction Brakes EBC Brakes Black Diamond Performance Brakes Rotinger Graphite Line Brake Pad Wear Sensors Brake Pad Anti-vibration shims Caliper Bolts / Disc Screws Pin Kit and Guide Plates Performance Brake Hoses Standard Brake Hoses Caliper and Brake Lines Brake Calipers Brake Caliper Upgrades All Categories
-
-
Suspension & Steering
-
Transmission
-
- Gearbox / Transmission Clutch Kits Clutch Kits - High Performance Clutch Friction Plate Clutch Pressure Plate Clutch Release Bearings Clutch Cables & Parts Clutch Guide Tube Clutch Forks & Levers Clutch Bolts Gearbox Parts Driveshafts & Parts Gasket Sets / Gaskets / Seals / Lock Nuts Gearbox Mounts Gearshift Control Parts Flywheel / Torque CV Joints Kits CV Boots and Kits Cardan Shaft / Prop Shaft Transmission Parts Gearbox / Differential Oil Gearbox Sump / Oil Pan Rear Differential All Categories
-
-
Cooling & Heating
-
- Heating / Air Conditioning Air con condensers & desiccators Air con evaporators & expansion valves Air con pipes Air con belts Relays / Sensors / Resistors Compressors Heater flaps Blower Motors & Fans Heater blowers Heater hoses & pipes Heat Exchanger Vents / Grilles Climate Control Temperature Sensors / Switches Heating / Air conditioning Housings
-
-
Electrical & Lighting
-
- Electrical & Relays Fuel Pumps Brake Light Switch Reverse Light Switch Headlamp Switch Window Switch Window Motors Window Mechanism Wiper Motor Wiper Mechanism Electric Horn Ignition Switch Seat Switch Indicator / Wiper Stalk Switch Roof / Sun Roof Switch Relays / Fuses Washer pumps / bottles / jets Alarms / Security / Central Locking Electronic Control Units Wiper Switches Dashboard / Console Parts & Switches Door Mirror Switch Bonnet / Rear Lid / Spoiler Activators & Motors All Categories
-
-
Body & Exhaust
-
- Chassis / Bodywork Restoration Chassis / Repair Panels Front Lid Damper Rear Lid Damper Bonnets / Locks & Latches Boots / Rear Lid / Locks and Latches Bumpers Front Bumpers Rear Door Handles | Locks | Keys Door Panels | Hinges | Striker Plates Window Lifters | Motors Wings Front & Parts Wings Rear & Parts Side Sill Panels Exterior Chassis Mouldings Mirrors & Parts Stone Chip Foils / Stickers Undertrays Chassis & Engine Front Wiper Arms & Blades Rear Wiper Arms & Blades Wheel Arch Liners & Covers Roof - Cabrio / Targa / Coupe / Speedster Roll Cages All Categories
-
-
Lubricants & Fluids
-
- Service Parts Service Kits Service Kits OE Parts Oil Filters Air Filters Fuel Filters Belts All Types Spark Plugs IRIDIUM POWER Spark Plugs IRIDIUM RACING Spark Plugs Ignition Coils Front Wiper Arms & Blades Rear Wiper Arms & Blades Gearbox Service Parts Porsche Classic Motor oil Engine Oil & Lubricants - Mobil Engine Oil & Lubricants - Total Engine Oil & Lubricants - Castrol Engine Oil & Lubricants - Motul Engine Oil & Lubricants - Millers Oils NanoDrive Engine Oil & Lubricants - Millers Oils Fuel Additives Garage PPE
-
-
All Parts
-
- Parts Accessories Chassis / Bodywork Brakes Clothing & Gifts Electrical & Relays Engine Cooling Engine Electrical Engine Rebuild Parts Engine Tuning Exhausts Exterior Styling / Spoilers Gearbox / Transmission Heating / Air Conditioning Hydraulics Interior & Accessories Incar / Multimedia Lighting Mats & Carpets Motorsport and Off-Road Parts for Other Cars Pedal Cluster Rubber Seals All Categories
-
- Back to main website
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Air Filter. Porsche 987 Boxster / 987C Cayman 2005-12 ❭ 98711013301
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
The BOSCH Air Filter is a high-quality replacement engine air filter for Porsche 987 Boxster and 987 Cayman models. Designed to fit the factory air intake system, it filters the air entering the engine while maintaining the airflow required for efficient combustion and consistent performance.
Fits:
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Diagram Ref No 8
As an engine service item, the air filter gradually collects dust and contaminants and should be inspected and replaced as part of routine maintenance.
What This Product Does:
The engine air filter sits within the vehicle's air intake system and cleans incoming air before it reaches the engine. It captures road dust, dirt, pollen and other airborne particles that could otherwise enter the combustion chambers.
Effective filtration helps protect important internal components, including pistons, valves and cylinder walls, against abrasive contaminants that can contribute to premature wear. At the same time, the filter must allow sufficient airflow for efficient combustion and predictable engine response.
A correctly functioning air filter therefore helps support:
- Clean airflow into the engine
- Efficient and consistent combustion
- Smooth throttle response and power delivery
- Protection of internal engine components
- Normal fuel economyLong-term engine reliability
The filter element accumulates contamination as the vehicle is driven. Eventually, excessive dirt can restrict the volume of air reaching the engine.
Common signs that the air filter may require replacement include:
- Visible dirt, dust or heavy discolouration of the filter element
- Reduced throttle responseSluggish acceleration
- Restricted engine performance, particularly under load
- Higher than normal fuel consumption
- A heavily contaminated or blocked filter element
- Filter media that is damaged, deteriorated or deformed
- The manufacturer's scheduled replacement interval has been reached
Vehicles regularly driven in dusty or high-particle environments may require more frequent air filter inspection and replacement.
Why Replacement Matters:
- A clogged air filter can restrict airflow into the engine, making it more difficult for the intake system to supply the air required for efficient combustion. This can contribute to reduced responsiveness and increased fuel consumption.
- A damaged or excessively deteriorated filter can present a different problem: inadequate filtration may allow abrasive particles to reach internal engine components, potentially contributing to unnecessary wear over time.
- Installing a fresh BOSCH air filter restores effective filtration and unrestricted clean-air delivery, helping maintain engine performance, efficiency and long-term protection.
- Regular replacement is a simple but important part of preventative Porsche maintenance, particularly because the air filter directly influences both the cleanliness and quantity of air entering the engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98711013301
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 944 2.5L 8V 1982-87

This Product Fits:
Porsche 944 2.5L 1981-90
Porsche 944 2.7L 1988-89
Porsche 924 S 2.5L 1986-88 (150 & 160PS)
K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower.
Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty.
K&N drop-in replacement filters are designed to install easily into your factory air box.
Works with Original Equipment Manufacturer Vehicle Electronics.
Environmentally Friendly, K&N Reusable Air Filters
Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
33-2079
The product you are viewing cross references to these numbers
- Porsche 944S 2.5L 16V 1987-88

This Product Fits:
Porsche 944S 2.5L 16V 1987-88
K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower.
Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty.
K&N drop-in replacement filters are designed to install easily into your factory air box.
Works with Original Equipment Manufacturer Vehicle Electronics.
Environmentally Friendly, K&N Reusable Air Filters
Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
33-2640
The product you are viewing cross references to these numbers
- Porsche 944S2 3.0L 16V 1989-91

This Product Fits:
Porsche 944 S2 3.0L 1988-91
K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower.
Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty.
K&N drop-in replacement filters are designed to install easily into your factory air box.
Works with Original Equipment Manufacturer Vehicle Electronics.
Environmentally Friendly, K&N Reusable Air Filters
Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
33-2807
The product you are viewing cross references to these numbers
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed