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- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Charge air cooler by Mahle for Porsche 957 and 958 Cayenne 3.0L Diesel models. It forms part of the turbocharged engine's charge-air cooling system, helping to reduce the temperature of compressed intake air before it enters the engine.
Fits
- Cayenne 957 3.0L Diesel 2007–10
- Cayenne 958 V6 3.0L Diesel (245Hp) 2010–17
What This Product Does
The charge air cooler transfers heat away from compressed intake air. Maintaining a sealed, undamaged cooler and associated pipework supports consistent charge-air flow through the intake system.
Functions
- Cools compressed intake air within the charge-air system.
- Provides a connection point for the relevant pressure hoses and pipes.
- Helps maintain a sealed route for turbocharged intake air.
Technical Details
- Charge air cooler reference 958145803A: left-hand side.
- Charge air cooler reference 958145804A: right-hand side.
- Shown for Cayenne 9PA1 (957) 3.0L Diesel 2007-10.
- Also shown for Cayenne 92A (958) 3.0L Diesel applications, including 2011-18 and 05/2014-18 diagram coverage.
- Related assembly components include pressure hoses, seal rings, hose clamps, retaining springs and pressure pipes.
Symptoms of Fault
- Hissing from the charge-air system.
- Loss of boost or reduced engine response under load.
- Underboost-related fault messages.
- Oil residue around the cooler connections or pipework.
- Visible damage, corrosion or distorted cooling fins.
Why Replacement Matters
A leaking or damaged charge air cooler can allow boosted air to escape and may affect intake-air temperature control. Replacing a faulty unit while checking its seals, hoses, clamps and retaining hardware helps address the complete charge-air connection.
FAQs
- Is this cooler side-specific?
Yes. Diagram reference 958145803A is left-hand, while 958145804A is right-hand. - Should related parts be inspected during replacement?
Inspect the pressure hoses, seal rings, clamps and retaining hardware for wear or damage. - How can a charge-air leak be confirmed?
A suitable pressure test of the charge-air system can help identify leaks in the cooler, hoses and connections.
Check fitment for your specific vehicle, including model, year and engine, before ordering.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95814580
The product you are viewing cross references to these numbers