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Additional center coolant radiator. Porsche 9YA Cayenne 3.0L / 4.0L Hybrid 2018>> - PAB145804
PAB145804
Vehicle Group
- Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 (340Hp) 2018-23
- Porsche 9YA Cayenne Coupe E-Hybrid V6 3.0L (340Hp) 2020-23
- Porsche 9YA Cayenne Turbo S E-Hybrid V8 4.0L (550Hp) 2019-23
- Porsche 9YA Cayenne Coupe Turbo S E-Hybrid V8 4.0L (550Hp) 2020-23
- Porsche 9YA.2 Cayenne E-Hybrid V6 3.0L (470Hp) 2023>>
- Porsche 9YA.2 Cayenne E-Hybrid Coupe V6 3.0L (470Hp) 2023>>
- Porsche 9YA.2 Cayenne S E-Hybrid V6 3.0L (519Hp) 2023>>
- Porsche 9YA.2 Cayenne S E-Hybrid Coupe V6 3.0L (519Hp) 2023>>
Information
Additional center coolant radiator
The Porsche Genuine OE Additional Center Coolant Radiator (PAB145804) is a specific auxiliary cooling component designed to manage excess heat in hybrid-assisted Cayenne 9YA models. It enhances the ability of the cooling system to regulate coolant temperature during heavy engine load or hybrid system operation - contributing to efficient engine performance and longevity through improved thermal management.
Fits:
Porsche 9YA (E3) Cayenne 3.0L / 4.0L Hybrid 2018 - 2024
Porsche 9YA.2 (E3 PA) Cayenne 3.0L Hybrid 2023 >>
Diagram ref no 1
This additional center coolant radiator functions as a supplementary heat exchanger in the engine’s cooling system. It helps dissipate excess heat from the engine coolant, reducing overall operating temperature and relieving load on the primary radiator - particularly under higher thermal loads seen in hybrid-assisted or high-performance operation. By improving coolant temperature control, it supports optimal combustion efficiency, long-term durability, and consistent engine performance.
Applications
• Cooling system repair: Replace a damaged or failed auxiliary radiator component
• Performance reliability: Add or restore cooling capacity to support hybrid engine thermal loads
• Factory-standard restoration: Use when rebuilding or fully servicing cooling circuits
• Preventative maintenance: Install as part of coolant system servicing for consistent temperature control
Fitment / Position on Car
• Installed on: Engine bay, mounted centrally as part of the coolant heat-exchange system
• Location: Integrated with front cooling network alongside main radiator cores and intercoolers
• Connection: Works within the standard coolant piping and hose routing for the Cayenne 9YA hybrid platform
Modern performance and hybrid engines, such as those found in the Cayenne 9YA, generate additional heat due to electric motor assist, turbocharging, and high output demands. An auxiliary radiator increases total cooling surface area, helping prevent overheating, reduce thermal stress on primary components, and maintain consistent performance both in everyday driving and demanding conditions. Choosing a genuine Porsche OE cooling radiator means getting the exact specification, durability, and fitment that Porsche engineers designed for your vehicle’s thermal system
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAB145804
The product you are viewing cross references to these numbers
The Porsche Genuine OE Additional Center Coolant Radiator (PAB145804) is a specific auxiliary cooling component designed to manage excess heat in hybrid-assisted Cayenne 9YA models. It enhances the ability of the cooling system to regulate coolant temperature during heavy engine load or hybrid system operation - contributing to efficient engine performance and longevity through improved thermal management.
Fits:
Porsche 9YA (E3) Cayenne 3.0L / 4.0L Hybrid 2018 - 2024
Porsche 9YA.2 (E3 PA) Cayenne 3.0L Hybrid 2023 >>
Diagram ref no 1
This additional center coolant radiator functions as a supplementary heat exchanger in the engine’s cooling system. It helps dissipate excess heat from the engine coolant, reducing overall operating temperature and relieving load on the primary radiator - particularly under higher thermal loads seen in hybrid-assisted or high-performance operation. By improving coolant temperature control, it supports optimal combustion efficiency, long-term durability, and consistent engine performance.
Applications
• Cooling system repair: Replace a damaged or failed auxiliary radiator component
• Performance reliability: Add or restore cooling capacity to support hybrid engine thermal loads
• Factory-standard restoration: Use when rebuilding or fully servicing cooling circuits
• Preventative maintenance: Install as part of coolant system servicing for consistent temperature control
Fitment / Position on Car
• Installed on: Engine bay, mounted centrally as part of the coolant heat-exchange system
• Location: Integrated with front cooling network alongside main radiator cores and intercoolers
• Connection: Works within the standard coolant piping and hose routing for the Cayenne 9YA hybrid platform
Modern performance and hybrid engines, such as those found in the Cayenne 9YA, generate additional heat due to electric motor assist, turbocharging, and high output demands. An auxiliary radiator increases total cooling surface area, helping prevent overheating, reduce thermal stress on primary components, and maintain consistent performance both in everyday driving and demanding conditions. Choosing a genuine Porsche OE cooling radiator means getting the exact specification, durability, and fitment that Porsche engineers designed for your vehicle’s thermal system
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAB145804
PAB145804
The product you are viewing cross references to these numbers
Price: €615.42
Orderable
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Information
Spreader rivet plastic 8x14. - Various applications
Sold each
Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 981 Boxster / Cayman - 2012 to 2016
Porsche 996 - 1997 to 2005
Porsche 997 - 2006 to 2012
Porsche 991 - 2012 to 2018
Porsche 970 Panamera - 2009 to 2013
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
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- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
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- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
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- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
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- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
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- Porsche Cayman GT4 3.8L 2015-16
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- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Information
Centre radiator upper rubber mounting. Sold each.
Fits:
Porsche 981 Boxster / Boxster Spyder 2012-16
Porsche 981C Cayman / Cayman GT4 2012-16
Porsche 982 (718) Boxster 2017>>
Porsche 982C (718C) Cayman 2017>>
Porsche 991.1 2012-16
Porsche 991.2 2017>>
Click 'Zoom in' for large parts diagram,
Diagram ref no 4
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Porsche 982 (718) Boxster 2017>>
Porsche 982C (718C) Cayman 2017>>
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Porsche 991.2 2017>>
Click 'Zoom in' for large parts diagram,
Diagram ref no 4
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- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
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- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
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- Porsche Cayman S / GTS 3.4L 981 2013-16
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- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
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Information
Centre radiator lower rubber mounting. Sold each.
Fits:
Porsche 981 Boxster / Boxster Spyder 2012-16
Porsche 981C Cayman / Cayman GT4 2012-16
Porsche 982 (718) Boxster 2017>>
Porsche 982C (718C) Cayman 2017>>
Porsche 991.1 2012-16
Porsche 991.2 2017>>
Click 'Zoom in' for large parts diagram,
Diagram ref no 5
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Click 'Zoom in' for large parts diagram,
Diagram ref no 5
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