Original Porsche Part Genuine Porsche part PAE121291

Water radiator fan with cowling.
Fits:
Porsche 971.1 Panamera / Panamera S  2017-19
Porsche 971.2 Panamera / Panamera S 2019>>
Diagram ref no 16

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PAE121203

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Water radiator fan with cowling.
Fits:
Porsche 971.1 Panamera / Panamera S  2017-19
Porsche 971.2 Panamera / Panamera S 2019>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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PAE121203

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NRF radiator cooling fan supplied with its cowling.

Fits

Porsche 971.1 Panamera Turbo 2017-20
Porsche 971.1 Panamera GTS 2017-20
Porsche 971.1 Panamera 3.0L Hybrid 2017-20
Porsche 971.2 Panamera Turbo 2021>>
Porsche 971.2 Panamera GTS 2021>>
Porsche 971.2 Panamera Hybrid 2021>>

Check fitment for your specific vehicle (model, year, engine) before ordering.

What This Product Does

The fan supports airflow through the coolant radiator, helping the cooling system disperse heat when airflow from vehicle movement is limited. This assembly includes the fan cowling; it is not a replacement radiator core.

Technical Details

• Brand: NRF.
• Supplied product reference: PAE121203A.
• Assembly: radiator cooling fan with cowling.

Symptoms of Fault

Increasing coolant temperature during slow-moving traffic or repeated overheating warrants investigation of the cooling system. These symptoms do not establish a fan fault: radiator obstruction, thermostat or pump problems, trapped air and coolant leaks can also contribute.

Why Replacement Matters

Renewing a confirmed faulty fan assembly helps restore the airflow needed for temperature control. Inspect the surrounding cooling components and remove accumulated debris rather than assuming that changing the fan alone will resolve every overheating concern.

FAQs

Should hoses and caps also be renewed?
Inspect older hoses and the coolant cap, replacing them if their condition requires it.

Does fan replacement require a coolant flush?
A fan fault alone does not establish the need for flushing. Assess coolant condition separately, particularly where contamination or mixed coolant history is suspected.

What else should be inspected?
Check for debris obstructing the radiator and condenser, and investigate any coolant loss or evidence of leakage.

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PAE121203A

The product you are viewing cross references to these numbers

Water radiator fan with cowling.
Fits:
Porsche 971.1 Panamera Turbo 2017-20
Porsche 971.1 Panamera GTS 2017-20
Porsche 971.1 Panamera 3.0L Hybrid 2017-20

Porsche 971.2 Panamera Turbo 2021>>
Porsche 971.2 Panamera GTS 2021>>
Porsche 971.2 Panamera Hybrid 2021>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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PAE121203A

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Radiator for Water Coolant Fluid.
Radiator fluid, or coolant, is the most important part of your car's cooling system, which protects your engine from overheating. Low coolant can lead to a breakdown and expensive repairs.
Fits:
Porsche 971.1 Panamera 3.0L 2017 - 2021
* with 'Standard' equipment (option code: A8C)
* without alternative drive system (option code: 0K0)
Diagram Ref No 1

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PAE121253A

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Radiator for Water Coolant Fluid.
Radiator fluid, or coolant, is the most important part of your car's cooling system, which protects your engine from overheating. Low coolant can lead to a breakdown and expensive repairs.
Fits:
Porsche 971.1 Panamera 3.0L 2017 - 2021
 * with 'Standard' equipment (option code: A8C)
 * without alternative drive system (option code: 0K0)
Diagram Ref No 1

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PAE121253A

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OE Match coolant radiator.

Fits

Porsche 971.1 Panamera 3.0L 2017 - 2021
* with 'Standard' equipment (option code: A8C)
* without alternative drive system (option code: 0K0)

Check fitment for your specific vehicle (model, year, engine) before ordering.

What This Product Does

Heated coolant passes through the radiator, where its heat is released into the surrounding airflow. The cooled fluid then circulates back through the engine. Cooling fans assist airflow when needed, while the radiator forms part of the system that controls operating temperature.

Functions

• Releases heat carried by circulating coolant.
• Helps control engine operating temperature.
• Returns cooled fluid to the engine cooling circuit.
  

Technical Details

• Product type: engine coolant radiator / coolant cooler.
• Brand: OE Match.
• Supplied reference numbers: 9A712125310 and PAE121253A.
• Application requirements: equipment code A8C and drive-system code 0K0.
  

Symptoms of Fault

• Temperature climbing during demanding driving or warm weather.
• Falling coolant level, damp radiator surfaces or puddles beneath the vehicle.
• Sweet odour or dried deposits near radiator seams.
• Discoloured coolant containing corrosion residue or debris.
• Dashboard warning indicating excessive engine temperature.
• Weak cabin heating when coolant is low or circulation is impaired.
• Steam beneath the bonnet associated with escaping or boiling coolant.
• Damaged fins, visible corrosion or gurgling following shutdown.
  

Why Replacement Matters

Leaks and restricted coolant passages can reduce the radiator's ability to remove heat. Prolonged overheating may damage cylinder heads and gaskets, affect engine oil and lead to further repairs. Renewing a radiator with confirmed damage addresses the faulty component rather than repeatedly topping up lost coolant.

Inspect nearby hoses, joints, seals and mounting hardware during the repair. Similar symptoms can arise elsewhere in the cooling circuit, so establish the source before replacing parts.

FAQs

How can a radiator leak be distinguished from a hose leak?
Look for moisture or deposits on the radiator core and seams, then inspect hose connections. A cooling-system pressure test can help locate the source.

Can overheating occur without a visible leak?
Yes. Deposits inside coolant passages can restrict circulation without producing external seepage. Fan operation and thermostat behaviour also need checking.

What else should be inspected during replacement?
Check the pressure cap, thermostat, hoses and connections. Renew supporting components where inspection identifies deterioration rather than assuming every item needs replacement.

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PAE121253A

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Radiator for water coolant fluid
This radiator functions as the primary heat exchanger in the Porsche Panamera’s cooling system. It transfers heat from the hot engine coolant into the surrounding air, helping maintain stable engine operating temperatures. Efficient cooling supports power delivery, emission control, and engine longevity - especially under everyday driving and high-load conditions. A properly functioning radiator also reduces the risk of overheating, prevents needless stress on engine components, and contributes to consistent performance.
Fits:
Porsche 971.1 Panamera 2017 - 2020 with 'S' equipment (PR: A8F)
Porsche 971.1 Panamera 2017 - 2020 with 'turbo' equipment (PR: A8H)
Porsche 971.1 Panamera 2017 - 2020 Hybrid (PR:0K3) with 'Standard' equipment (PR:A8C)
Porsche 971.2 Panamera 2021 - 2023
Porsche 976 Panamera 2023 >>
Diagram Ref No 1
The radiator is the heart of the engine’s liquid cooling system, responsible for removing heat from the engine coolant before it returns to the engine. As hot coolant flows through the radiator’s core, heat is transferred to the air passing through the cooling fins, helping maintain ideal engine operating temperatures. Proper cooling prevents overheating, supports consistent performance, protects internal engine components from heat stress, and helps maintain fuel efficiency and emission control.


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PAE121253

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Radiator for water coolant fluid
The OE Match radiator is designed for straightforward, direct replacement using existing mounting points and coolant hose connections, making it an ideal solution for cooling system service, radiator damage repair, or preventative maintenance on higher-mile Panameras.
Fits:
Porsche 971.1 Panamera 2017 - 2020 with 'S' equipment (PR: A8F)
Porsche 971.1 Panamera 2017 - 2020 with 'turbo' equipment (PR: A8H)
Porsche 971.1 Panamera 2017 - 2020 Hybrid (PR:0K3) with 'Standard' equipment (PR:A8C)
Porsche 971.2 Panamera 2021 - 2023
Porsche 976 Panamera 2023 >>
Diagram Ref No 1
The water/coolant radiator serves as the cooling system’s primary heat exchanger, where hot coolant from the engine is cooled by airflow before being circulated back into the engine. This process helps:
•  Maintain stable engine temperature
•  Prevent overheating under load
•  Improve heater and climate control performance
•  Protect engine components from thermal stress
•  Support efficient combustion and emissions control
A failing radiator can lead to engine overheating, coolant loss, performance penalties, and - in extreme cases - engine damage. Symptoms of radiator issues include rising temperature gauge readings, coolant leaks under the vehicle, reduced heater output, and visible core damage. Replacing an inefficient or damaged radiator with an OE Match unit restores effective cooling capability and helps maintain the Porsche Panamera’s performance and drivetrain health.
When to replace:
•  Persistent engine overheating or temperature spikes
•  Visible radiator leaks, punctures, or core corrosion
•  Bent, clogged, or damaged cooling fins
•  After front-end impact or collision
•  During cooling system overhaul (water pump, thermostat, hoses)

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PAE121253

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