Fit For Cayenne E3 4M0145804BR 4M0145803BP PAB145804A PAB14580320 PAB145803A Turbocharged Cooler PAB14580420. OEM NO. : PAB145804A PAB145803A PAB14580320 PAB14580420 4M0145804BR 4M0145803BP. By significantly lowering the temperature of air compressed by the turbocharger, the intercooler increases its density, allowing more oxygen to enter the cylinders for combustion. By dissipating heat from the intake manifold before the intake air reaches the cylinder, this part notably lessens the strain on the engine's main cooling system., Manufacturer: HUASRCFP