The 2013 Porsche Cayman is a mid-engine sports car that balances performance and everyday usability. Whether you own a base Cayman or the Cayman S, understanding its parts is crucial for maintenance and repairs. This guide covers common replacement parts, maintenance intervals, and what to look for when sourcing components.
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Key Engine Parts for the 2013 Cayman
The 2013 Cayman came with two engine options: a 2.7L flat-six in the base model and a 3.4L flat-six in the Cayman S. Both are naturally aspirated and known for reliability, but certain parts wear over time.
Air-Oil Separator (AOS)
The AOS is a common failure point on these engines. Symptoms include excessive oil consumption, blue smoke from the exhaust, or rough idle. Replacing the AOS early can prevent oil pooling in the intake. Genuine Porsche and aftermarket options are available. Look for updated versions that address earlier design flaws.
Water Pump and Thermostat
Water pumps on the 2013 Cayman typically last 60,000-80,000 miles. Failure can cause overheating and engine damage. It's wise to replace the water pump along with the thermostat and coolant during major service. Consider aftermarket pumps from brands like Pierce or OEM Porsche parts for longevity.
Spark Plugs and Coil Packs
Spark plugs should be replaced every 40,000 miles. Use NGK or Bosch plugs with the correct heat range. Coil packs can fail sooner, especially if the engine misfires. Identify the misfiring cylinder with a scan tool. Replacing all coil packs at once prevents future issues.
Transmission and Drivetrain Components
The 2013 Cayman offered a 6-speed manual or a 7-speed PDK automatic. Both have specific parts that may need attention.
PDK Fluid and Filter
If you have a PDK, the transmission fluid and filter should be changed every 40,000 miles (or 6 years). Use only Porsche-approved Pentosin ATF or equivalent. Neglecting this can lead to shifting issues. Some aftermarket kits include synthetic fluid and high-quality filters.
Clutch and Flywheel (Manual)
Manual transmission Caymans may need a clutch replacement around 80,000-100,000 miles. The dual-mass flywheel can also wear. When replacing, consider a single-mass flywheel kit for better throttle response, but expect slightly more gear noise.
Suspension and Steering Parts
The 2013 Cayman uses a McPherson strut front and multi-link rear suspension. Wear items include control arms, bushings, and shocks.
Control Arms and Bushings
The front lower control arm bushings tend to crack with age. Replace with OEM rubber for comfort or polyurethane for sharper handling. Aftermarket aluminum control arms are lighter and stiffer but cost more.
Struts and Shocks
Original Bilstein dampers are durable, but high-mileage examples may need replacement. Options include OEM replacements or adjustable coilovers. For street use, OEM struts from Porsche or Bilstein B4/B6 are sensible choices.
Brake System Parts
Brake rotors and pads are wear items. The front brakes on the Cayman are larger and do most of the stopping work.
Brake Pads and Rotors
For daily driving, ceramic pads like Akebono or Textar reduce dust. For track use, semi-metallic pads from Pagid or Performance Friction offer higher friction. Cross-drilled or slotted rotors provide better heat dissipation but may crack under heavy use. Stick with plain discs for street longevity.
Brake Lines
Rubber brake lines can swell over time, reducing pedal feel. Stainless steel braided lines are a popular upgrade and are relatively inexpensive. They improve pedal firmness and response.
Common Electrical and Sensor Parts
The 2013 Cayman has several sensors that can fail.
Camshaft Position Sensors
Failure of these sensors can cause rough running or a check engine light. They are easy to replace and affordable. Use OEM or reputable aftermarket like Hella or Bosch.
Mass Air Flow Sensor (MAF)
A dirty or failing MAF sensor causes poor idle and hesitation. Cleaning with MAF cleaner often resolves the issue. If replacement is needed, use a OEM unit or an aftermarket one that is calibrated specifically for the Cayman.
Battery
The Cayman uses an AGM battery located in the front trunk (frunk). Replace with a similar capacity AGM battery to ensure proper starting and electronics stability. Porsche-branded batteries are rebranded from Varta or Exide.
Where to Source Parts
For essential parts, consider the following sources:
- Porsche Dealership: Best for sensors, electronics, and engine internals. Most expensive.
- Online OEM Parts Retailers: Sites like Suncoast Parts, Pelican Parts, or FCP Euro offer competitive prices on genuine Porsche parts and often include lifetime warranties.
- Specialty Aftermarket Brands: For performance upgrades or common consumables, brands like Bilstein, Brembo, Koni, and Bosch are reputable.
- Used Parts: For cosmetic or minor mechanical parts, salvage yards or forums (like Rennlist) can be cost-effective. Check the part's condition carefully.
Maintenance and Replacement Recommendations
Every 40,000 miles: Oil change (Mobil 1 0W-40), spark plugs, cabin air filter, and PDK fluid if equipped.
At 80,000 miles: Water pump, thermostat, coolant, drive belt, and tensioner.
As needed: Brake pads and rotors, tires, suspension bushings, and battery.
Climate considerations: If you live in an area with winter road salt, underbody corrosion can occur. Consider rust-proofing and regularly cleaning the undercarriage.
Practical Final Recommendation
For most 2013 Cayman owners, sticking with OEM-grade parts for critical components (engine, transmission, sensors) ensures reliability. For wear items like brakes and suspension, quality aftermarket alternatives offer similar performance at lower cost. Create a maintenance schedule based on your mileage and driving style. Join online communities like Rennlist or Cayman Register for specific advice and part number lookups. Prioritize fluid changes and the AOS – these small investments prevent costly repairs down the road.