Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram
Porsche specialists based in the UK
Porsche > Panamera 976 2023>> > 976 Panamera 4S E-Hybrid V6 2.9L 2023>> > Engine Cooling >

Water / Coolant Radiators

Water / Coolant Radiators

Filter by brand
DISPLAYING 1 to 2 (of 2 products)
Radiator for water coolant fluid. Porsche 971 Panamera 2017-23 / 976 Panamera 2023>> - 9A712125300, PAE121253
2
Radiator for water coolant fluid. Porsche 971 Panamera 2017-23 / 976 Panamera 2023>>
Special Order item
PAE121253
Product Information
Product Information
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.


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAE121253
9A712125300
PAE121253

The product you are viewing cross references to these numbers
Radiator for water coolant fluid. Porsche 971 Panamera 2017-23 / 976 Panamera 2023>> - 9A712125300, PAE121253
2
Radiator for water coolant fluid. Porsche 971 Panamera 2017-23 / 976 Panamera 2023>>
PAE121253/1
Product Information
Product Information
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)

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAE121253
9A712125300
PAE121253

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
About Water / Coolant Radiators

Water Coolant Radiators – Efficient Cooling Performance for Porsche Engines

Water coolant radiators are the heart of your Porsche’s cooling system, responsible for maintaining the perfect balance between performance and engine temperature. These components dissipate heat from the coolant as it passes through the radiator core, ensuring your engine operates at peak efficiency while preventing overheating - whether you’re cruising through city streets or pushing hard on the track.

At Design911, we offer a comprehensive range of genuine and high-quality water coolant radiators for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, Panamera and transaxle cars. Each radiator is precision-engineered to provide efficient heat exchange, corrosion resistance, and a perfect fit, ensuring long-lasting performance and reliability for every driving condition.

What Do Water Coolant Radiators Do?

Radiators are essential to your Porsche’s engine cooling system. Their primary functions include:

  • Transferring heat from the coolant to the surrounding air.
  • Regulating coolant temperature to prevent engine overheating.
  • Supporting overall thermal balance for performance and emissions efficiency.
  • Enhancing reliability by maintaining optimal operating temperatures in all climates.

By efficiently dissipating heat, radiators protect your engine, prevent premature wear, and maintain consistent performance under pressure.

Why Do Radiators Fail?

Despite being built for endurance, radiators experience constant thermal stress, exposure to pressure, and environmental elements that can lead to failure. Common causes include:

  • Corrosion or rust due to contaminated or old coolant.
  • Leaks from cracked tanks, damaged cores, or failing seals.
  • Blockages caused by debris or scale build-up inside coolant passages.
  • Physical damage from road debris or stone impacts.
  • Coolant contamination from oil or combustion residue.

Symptoms of radiator failure include overheating, coolant loss, visible leaks, or fluctuating temperature readings.

Why Replace a Faulty Radiator?

A damaged or inefficient radiator compromises your Porsche’s cooling system, risking overheating and potential engine damage. Replacing your radiator with a high-quality, manufacturer-standard unit ensures optimal cooling efficiency, reliability, and peace of mind.

Benefits of replacement include:
Restored cooling efficiency and heat dissipation.
Prevention of engine overheating and coolant loss.
Enhanced vehicle performance and fuel economy.
Durable, corrosion-resistant materials for long service life.

All radiators in our range are designed using premium aluminium cores, precision welds, and reinforced end tanks to ensure excellent cooling capacity, leak prevention, and long-term reliability — perfect for both standard and high-performance Porsche applications.

You may also like
Popular Models