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Inter Coolers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Fits:
Porsche 957 Cayenne 3.0L DIESEL
Porsche 958 Cayenne 3.0L DIESEL
Click 'Zoom in' for large parts diagram.
Diagram ref no 1 (LEFT) and 2 (RIGHT)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9551106
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Fits:
Porsche 957 Cayenne 3.0L DIESEL
Porsche 958 Cayenne 3.0L DIESEL
Diagram ref no 1 (LEFT) and 2 (RIGHT)
As genuine Porsche components, these charge air coolers are manufactured to exact OE specifications, providing perfect fitment, superior cooling efficiency and long-term reliability. Replacing a damaged or leaking intercooler can restore lost performance, improve throttle response and help prevent excessive engine temperatures associated with reduced charge-air cooling efficiency. Porsche identifies 958145803A as the left-hand charge air cooler, with the matching 958145804A serving the right-hand side on applicable Cayenne 958 diesel models.
Features:
- Genuine Porsche OE parts Part numbers: 958145803A (Left) & 958145804A (Right)
- Designed for Porsche Cayenne 958 3.0 Diesel models
Factory-engineered cooling performance
Direct replacement for original intercoolers
Restores efficient charge-air cooling
Helps maintain engine power and fuel efficiency - Factory-engineered cooling performance
- Direct replacement for original intercoolers
- Restores efficient charge-air cooling
- Helps maintain engine power and fuel efficiency
- Precision fit and OE-quality construction
- Designed for long service life and reliability
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95814580
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
The OE Match Radiator Intercooler is a high-quality replacement charge air cooling component designed for turbocharged Porsche applications. Engineered to OE specifications for fit, performance and durability, this intercooler reduces the temperature of compressed air generated by the turbocharger before it enters the engine, helping to maximise power output, combustion efficiency and overall engine reliability.
Fits:
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Diagram Ref No 1 (LEFT) And 2 (RIGHT)
Featuring a precision-manufactured cooling core and durable end tank construction, the intercooler efficiently dissipates heat from the charge air system. By delivering cooler, denser intake air to the engine, it helps maintain consistent boost performance and supports the responsive driving characteristics expected from a Porsche vehicle.
What This Product Does:
- Cools compressed air from the turbocharger before it enters the engine.
- Increases intake air density for improved combustion efficiency.
- Supports optimum engine power and torque output.
- Helps maintain consistent boost pressure performance.
- Reduces intake air temperatures during demanding driving conditions.
- Improves turbocharger system efficiency.
- Enhances throttle response and engine reliability.
- Contributes to overall engine thermal management.
Symptoms Of Wear Or Failure:
- Reduced engine power and acceleration.
- Loss of turbocharger boost pressure.
- Sluggish throttle response.
- Increased fuel consumption.
- Hissing noises caused by boost leaks.
- Excessive black exhaust smoke under acceleration.
- Engine management warning lights.
- Oil residue around intercooler pipe connections.
- Visible corrosion, impact damage or cracking of the intercooler core.
- Fault codes relating to intake air pressure or boost system performance.
Why Replacement Matters:
- Intercoolers operate under demanding conditions and are continuously exposed to high-pressure intake air, temperature fluctuations, moisture, road debris and environmental contamination. Over time, the cooling core may become damaged, corroded or develop leaks that reduce cooling efficiency and compromise boost pressure retention.
- A failing intercooler can allow compressed air to escape, reducing engine performance and forcing the turbocharger to work harder to achieve target boost levels. Higher intake air temperatures can negatively affect combustion efficiency, fuel economy and engine longevity. Continued operation with a damaged intercooler may place additional strain on the turbocharger and associated intake system components.
- Replacing a worn or damaged intercooler restores efficient charge air cooling, maintains boost pressure integrity and helps preserve engine performance. An OE Match replacement provides factory-style fitment, effective heat dissipation and long-term durability, ensuring your Porsche continues to deliver optimum power, efficiency and reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95814580
The product you are viewing cross references to these numbers
Porsche Inter Coolers
At Design911, we supply a wide range of inter coolers for Porsche models, helping you maintain, personalise and enjoy your car.
Why do Porsche Inter Coolers matter?
Inter Coolers affect how efficiently the engine in your Porsche runs, especially on turbocharged models. Over time they can suffer from leaks, corrosion and reduced efficiency, or simply no longer be suitable once you start tuning the engine. Replacing tired or undersized intercoolers helps your Porsche stay reliable, consistent and enjoyable to drive, particularly under heavy load.
- Keep your Porsche looking smart rather than tired or neglected
- Help protect the surrounding area from dirt and corrosion where relevant
- Reduce minor niggles such as looseness, rattles or mismatched parts
- Support long-term enjoyment, pride of ownership and potential resale value
Common options & kits
Individual replacement parts
Specific items to address a particular area or issue without changing everything at once.
- Ideal for targeted repairs
- Lets you replace only what is needed
- Helps keep initial costs under control
Matched sets or pairs
Components supplied together so both sides or related items are renewed at the same time.
- Consistent feel and performance
- Helps avoid uneven wear or behaviour
- A sensible choice for routine maintenance
Complete kits
Grouped parts designed to refresh a whole system or area in one go, useful for upgrades and restorations.
- Everything specified in a single package
- Saves time compared with sourcing parts individually
- Ideal when upgrading or restoring your Porsche
Brands & quality options
At Design911, we stock genuine Porsche parts where available, plus OEM-equivalent and carefully selected aftermarket brands. This lets you choose between keeping things original, adding subtle upgrades, or managing budgets on everyday maintenance.
Agency Power
Agency Power produces a range of functional racing and performance products, including parts for Porsche models. Components are developed through track use and product testing to help ensure fitment and consistency.
Alpha
Alpha Performance, part of AMS, engineers intercooler systems and related components with a focus on efficient cooling and durability. Their Porsche products are developed using computer-aided design and motorsport experience to optimise fitment and airflow.
BBi Autosport
BBi Autosport is a Porsche-focused motorsport and tuning company with decades of combined racing experience. Their performance parts are developed from track programmes and professional racing, with attention to fit, function and workshop use.
CSF
CSF designs and manufactures high‑performance Porsche cooling products for motorsport and enthusiast use. Their intercoolers and radiators focus on efficient heat rejection, robust construction and reliable fitment.
Denso
Always check the exact part number and fitment data when choosing Denso components to ensure the correct match for your specific Porsche model and engine.
When should you review or replace your Porsche inter coolers?
Checking inter coolers regularly helps you spot wear, damage or age-related deterioration before it affects comfort, refinement or leads to more expensive repairs later on.
- Existing parts are worn, cracked, scuffed, faded, corroded or missing
- You notice looseness, vibration or an untidy appearance around the area they sit in
- You have had related work carried out and want everything to look and feel consistent
- You want the car to feel smarter and better cared for in daily use or before resale
If any of these apply, it is a good time to review your inter coolers and replace anything that is past its best, so your Porsche stays dependable and enjoyable to drive.
Explore Porsche inter coolers with Design911
Browse inter coolers for Porsche at Design911 — from individual parts to complete kits — and find options to suit everyday maintenance, upgrades and full projects.
