Water / Coolant Radiators

Captive nut, metal - fits the bottom edge of the front radiator fan console. 

Sold individually; four required per vehicle. 

Accompanied by M8 x 25 bolt - part number N0195307.



Fits:
Porsche 981 Boxster / S 2012-16
Porsche 981 Cayman / S 2013-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman GT4 2016
--
Porsche 718 (982) Boxster / Cayman / S 2017>>
Porsche 718 (982) Boxster Spyder 2019>>
Porsche 718 (982) Cayman GT4 2019>>
--
Porsche 991 Carrera / S 2012-19
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / GT3 RS 2014-21


Related reference numbers
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99110635503

The product you are viewing cross references to these numbers

Centre Radiator Lower Retaining Frame.

 


Fits:
Porsche 987 Boxster 2004-08 (I249)
Porsche 987 Boxster 2009-12 (I250 / I183 / I480)
Porsche 987C Cayman 2005-08 (I249)
Porsche 987C Cayman 2008-12 (I250 / I183 / I480)
Porsche 997 3.6L / 3.8L 2005-08 COUPE / CABRIO (I249)
Porsche 997 2009-12 (I183)

* I249 - Cars with Tiptronic Transmission
* I250 - Cars with PDK Transmission (Dual Clutch)
* I183 - Cars from Super-Hot Country
* I480 - Cars with 6-speed Manual Transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

Related reference numbers
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99750448500

The product you are viewing cross references to these numbers

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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99110653802

The product you are viewing cross references to these numbers

Centre radiator Rubber mount.
Cars with Tiptronic or PDK Transmissions



Fits:
Porsche 987 Boxster 2005-08 Tiptronic
Porsche 987 Boxster 2009-12 PDK
Porsche 987C Cayman 2009-12 PDK

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

Related reference numbers
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99710643701

The product you are viewing cross references to these numbers

Centre radiator sealing frame.



Fits:
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2012-16
Porsche 982 (718) Boxster 2017>>
Porsche 982C (718C) Cayman 2017>>
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017>>

Click 'Zoom in' for large parts diagram,
Diagram ref no 3

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Related, superseded, cross reference or alternative numbers for comparison.

99110633701

The product you are viewing cross references to these numbers

Centre radiator upper retaining frame.

Fits:
Porsche 987 Boxster 2004-08 (I249)
Porsche 987 Boxster 2009-12 (I250 / I183 / I480)
Porsche 987C Cayman 2005-08 (I249)
Porsche 987C Cayman 2008-12 (I250 / I183 / I480)
Porsche 997 3.6L / 3.8L 2005-08 COUPE / CABRIO (I249)
Porsche 997 2009-12 (I183)

* I249 - Cars with Tiptronic Transmission
* I250 - Cars with PDK Transmission (Dual Clutch)
* I183 - Cars from Super-Hot Country
* I480 - Cars with 6-speed Manual Transmission

Diagram ref no 2

Related reference numbers
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99750448700

The product you are viewing cross references to these numbers

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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99110653701

The product you are viewing cross references to these numbers

Engine radiator.
A high-quality replacement radiator manufactured to closely match Porsche’s original equipment specification. It serves as a coolant heat exchanger that helps maintain proper engine operating temperature by transferring heat from the engine’s coolant to the surrounding air.

Fits:
Porsche 981 Boxster 2012 - 2016
Porsche 981SP Boxster Spyder 2016
Porsche 981C Cayman 2013 - 2016
Porsche 981C Cayman GT4 2016
Porsche 991.1 Carrera 2012 - 2016

Diagram ref no 1

The radiator circulates hot engine coolant through its cooling fins and tubes, allowing excess heat to dissipate into the air as it passes through. This cooling process keeps the engine within its optimal temperature range, preventing overheating and helping sustain performance, efficiency, and long-term reliability - especially under high-load driving conditions.

Function:
• Uses a network of tubes and fins to transfer heat from coolant to ambient air
• Works with the engine cooling fan and shroud to enhance airflow
•  Helps maintain consistent operating temperature for the engine and drivetrain
•  Supports optimal combustion, performance, and durability, particularly during spirited driving or hot weather

A functional radiator is essential to engine health and performance. Over time, radiators can suffer from:
•   Clogging or corrosion
•   Leaks or cracks
•   Reduced cooling efficiency
•   Coolant contamination.
A failing radiator may lead to overheating, reduced performance, and potential engine damage. Replacing a worn unit with a new radiator ensures proper cooling performance and helps maintain your Porsche’s original thermal management efficiency.

Replace the radiator if you notice:
•   Coolant leaks or visible damage
•   Overheating or fluctuating temperature gauge readings
•   Coolant contamination or debris buildup
•   During engine cooling system overhaul or when other related components are replaced

Related reference numbers
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99110613

The product you are viewing cross references to these numbers

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 981 Boxster 2012 - 2016
Porsche 981SP Boxster Spyder 2016
Porsche 981C Cayman 2013 - 2016
Porsche 981C Cayman GT4 2016
Porsche 991.1 Carrera 2012 - 2016

Diagram ref no 1

The radiator functions as the primary heat exchanger in the vehicle’s cooling system. Coolant heated by the engine flows through the radiator’s tubes and fins, where it relinquishes heat to the surrounding air as it passes through. This heat transfer process is essential to prevent overheating, maintain ideal combustion conditions, protect internal engine components, and ensure consistent performance.

Function:
• Dissipates thermal energy from engine coolant via a network of tubes and cooling fins
• Works with the cooling fan and shroud assembly to optimise airflow and cooling efficiency
• Maintains stable engine operating temperatures under varying load and ambient conditions
• Ensures long-term reliability and protects the engine from heat-related wear or damage.

 Genuine Porsche radiators are constructed from durable materials designed to withstand constant temperature changes, road vibration, and corrosion, ensuring sustained performance over time.

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99110613

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Large captive nut for front radiator console; sold individually.



-- x 10 required per vehicle -- 
Porsche Carrera GT 2004-06
-- x4 required per vehicle --

Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-12 
Porsche 987 Cayman 2006-12
Porsche 996 Carrera 1998-05
Porsche 996 Turbo / GT2 2001-05 
Porsche 996 GT3 1999-05
Porsche 997 Carrera 2005-12 
Porsche 997 GT3 2007-11
-- x2 required per vehicle -- 
Porsche 970 Panamera 2010-16

Radiator Lower Mounting Bush
Sold each – 4 required per car

The radiator lower mounting bush 99110633101 is an essential component used to support and isolate the radiator within the cooling system of several modern Porsche models including the 981, 718 Boxster, 718 Cayman and the 991.

Fits:

• Porsche Boxster 981 2.7L 2012-16
• Porsche Boxster 981 S / GTS 3.4L 2012-16
• Porsche Boxster 981 Spyder 3.8L 2016
• Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
• Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
• Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
• Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
• Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
• Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
• Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
• Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
• Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
• Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
• Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
• Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
• Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
• Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
• Porsche 991.1 R 4.0L (500 Bhp) 2016
• Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
• Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
• 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
• Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
• 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 Speedster 4.0L (510Bhp) 2019
• 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
• Porsche Cayman 2.7L 981 2013-16
• Porsche Cayman S / GTS 3.4L 981 2013-16
• Porsche Cayman GT4 3.8L 2015-16
• Porsche Cayman 718 2.0L Manual (300 Bhp)
• Porsche Cayman 718 2.0L PDK (300 Bhp)
• Porsche Cayman S 718 2.5L Manual (350 Bhp)
• Porsche Cayman S 718 2.5L PDK (350 Bhp)
• 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)
• Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
• Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
• Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
• Porsche Cayman GT4 Clubsport
• Porsche Cayman GT4 RS Clubsport 2020-2024

Diagram Ref No 23  

Although small, this rubber mounting bush plays an important role in stabilising the radiator assembly while absorbing vibration and movement generated by the engine, road surface and cooling fans.

What This Radiator Mounting Bush Does

The lower radiator mounting bush sits between the radiator and the chassis mounting point. It helps secure the radiator in place while isolating vibration.

This component helps:

• Secure the radiator within the cooling system frame
• Absorb vibration and movement from the engine and road
• Prevent stress damage to the radiator housing
• Maintain proper radiator alignment with cooling ducts and fans

Without these bushes functioning correctly, the radiator may move excessively, leading to premature wear or cooling system issues.

Why Radiator Mounting Bushes Fail

Over time, rubber components within the engine bay are exposed to heat, moisture and road debris. This can cause the bush material to deteriorate.

Common causes of failure include:

Heat degradation
Continuous exposure to engine bay temperatures can cause rubber to harden and crack.

Compression fatigue
Years of supporting the radiator weight can flatten or weaken the bush.

Oil and coolant contamination
Exposure to fluids may accelerate rubber deterioration.

General ageing
Rubber components naturally degrade over time and lose elasticity.

Symptoms of a Worn Radiator Mount Bush

• Loose or unstable radiator positioning
• Rattling or vibration from the front cooling system area
• Visible cracking or deterioration of the rubber mount
• Radiator sitting lower or misaligned within the mount

Replacing worn mounting bushes restores proper support and reduces unwanted vibration in the cooling system.

Why You May Need to Replace This Part

Protect the Radiator Assembly
A stable radiator prevents stress on coolant connections, hoses and fittings.

Reduce Vibration and Noise
New bushes absorb vibration and prevent rattling from the radiator frame.

Prevent Cooling System Damage
Loose radiators can lead to cracked plastic tanks, hose strain or coolant leaks.

Affordable Preventative Maintenance
Replacing small rubber mounts during cooling system service or radiator replacement helps extend the life of the entire system.

Related reference numbers
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99110633200

The product you are viewing cross references to these numbers

Radiator Upper Mounting Bush
Sold each – 4 required per car

The radiator upper mounting bush 99110633101 is an essential component used to support and isolate the radiator within the cooling system of several modern Porsche models including the 981, 718 Boxster, 718 Cayman and the 991.

Fits:

• Porsche Boxster 981 2.7L 2012-16
• Porsche Boxster 981 S / GTS 3.4L 2012-16
• Porsche Boxster 981 Spyder 3.8L 2016
• Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
• Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
• Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
• Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
• Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
• Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
• Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
• Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
• Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
• Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
• Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
• Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
• Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
• Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
• Porsche 991.1 R 4.0L (500 Bhp) 2016
• Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
• Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
• 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
• Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
• 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 Speedster 4.0L (510Bhp) 2019
• 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
• Porsche Cayman 2.7L 981 2013-16
• Porsche Cayman S / GTS 3.4L 981 2013-16
• Porsche Cayman GT4 3.8L 2015-16
• Porsche Cayman 718 2.0L Manual (300 Bhp)
• Porsche Cayman 718 2.0L PDK (300 Bhp)
• Porsche Cayman S 718 2.5L Manual (350 Bhp)
• Porsche Cayman S 718 2.5L PDK (350 Bhp)
• 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)
• Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
• Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
• Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
• Porsche Cayman GT4 Clubsport
• Porsche Cayman GT4 RS Clubsport 2020-2024

Diagram Ref No 23  

Although small, this rubber mounting bush plays an important role in stabilising the radiator assembly while absorbing vibration and movement generated by the engine, road surface and cooling fans.

What This Radiator Mounting Bush Does

The upper radiator mounting bush sits between the radiator and the chassis mounting point. It helps secure the radiator in place while isolating vibration.

This component helps:

• Secure the radiator within the cooling system frame
• Absorb vibration and movement from the engine and road
• Prevent stress damage to the radiator housing
• Maintain proper radiator alignment with cooling ducts and fans

Without these bushes functioning correctly, the radiator may move excessively, leading to premature wear or cooling system issues.

Why Radiator Mounting Bushes Fail

Over time, rubber components within the engine bay are exposed to heat, moisture and road debris. This can cause the bush material to deteriorate.

Common causes of failure include:

Heat degradation
Continuous exposure to engine bay temperatures can cause rubber to harden and crack.

Compression fatigue
Years of supporting the radiator weight can flatten or weaken the bush.

Oil and coolant contamination
Exposure to fluids may accelerate rubber deterioration.

General ageing
Rubber components naturally degrade over time and lose elasticity.

Symptoms of a Worn Radiator Mount Bush

• Loose or unstable radiator positioning
• Rattling or vibration from the front cooling system area
• Visible cracking or deterioration of the rubber mount
• Radiator sitting lower or misaligned within the mount

Replacing worn mounting bushes restores proper support and reduces unwanted vibration in the cooling system.

Why You May Need to Replace This Part

Protect the Radiator Assembly
A stable radiator prevents stress on coolant connections, hoses and fittings.

Reduce Vibration and Noise
New bushes absorb vibration and prevent rattling from the radiator frame.

Prevent Cooling System Damage
Loose radiators can lead to cracked plastic tanks, hose strain or coolant leaks.

Affordable Preventative Maintenance
Replacing small rubber mounts during cooling system service or radiator replacement helps extend the life of the entire system.

Related reference numbers
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99110633101

The product you are viewing cross references to these numbers

Plastic expansion rivet for door frame or cooling rad frame -7,0 x 14,05
Sold each



Fits:
Porsche 981 Boxster / Cayman - 2012 to 2016
Porsche 718 Boxster / Cayman - 2017 Onwards
Porsche 991.1 / 991.2 - 2012 to 2019
Porsche 991 turbo - 2014 to 2020
Porsche 991 GT3 - 2014 to 2021

Click 'Zoom in' for large parts diagram.
Diagram ref no 3 or 6

Related reference numbers
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99959152540

The product you are viewing cross references to these numbers

Radiator fan shroud.



Fit:
Porsche 991Carrera 2012-16
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981C Cayman 2012-16
Porsche 981 Cayman GT4 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 20

Related reference numbers
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99110634

The product you are viewing cross references to these numbers

Radiator for water coolant fluid.
Radiator for water coolant fluid (also known as Coolant radiator, Water radiator or Water coolant fluid cooler) is the backbone of a Porsche engine’s thermal management system. It dissipates heat from the engine’s water-based coolant, stabilising engine temperatures, preserving performance, efficiency, and long-term reliability.

Fits:
Porsche 987 Boxster - 2005 to 2012
Porsche 987C Cayman - 2005 to 2012
Porsche 997 - 2005 to 2012

The radiator’s main role is to remove heat from the engine coolant that carries thermal energy away from the engine block and cylinder head. Hot coolant flows into the radiator, where it travels through a series of fine tubes and cooling fins. Air passing through the radiator core (from vehicle motion and fans) absorbs the heat, lowering coolant temperature before it returns to the engine.

Proper heat rejection helps:
•  Maintain optimal engine operating temperature
•  Prevent overheating under everyday and high-load conditions
•  Support fuel efficiency and emission control
•  Preserve engine component durability and longevity

Related reference numbers
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99710613

The product you are viewing cross references to these numbers

Radiator for water coolant fluid.
Radiator for water coolant fluid (also known as Coolant radiator, Water radiator or Water coolant fluid cooler) is the backbone of a Porsche engine’s thermal management system. It dissipates heat from the engine’s water-based coolant, stabilising engine temperatures, preserving performance, efficiency, and long-term reliability.

Fits:
Porsche 987 Boxster - 2005 to 2012
Porsche 987C Cayman - 2005 to 2012
Porsche 997 - 2005 to 2012

The radiator’s main role is to remove heat from the engine coolant that carries thermal energy away from the engine block and cylinder head. Hot coolant flows into the radiator, where it travels through a series of fine tubes and cooling fins. Air passing through the radiator core (from vehicle motion and fans) absorbs the heat, lowering coolant temperature before it returns to the engine.

Proper heat rejection helps:
•  Maintain optimal engine operating temperature
•  Prevent overheating under everyday and high-load conditions
•  Support fuel efficiency and emission control
•  Preserve engine component durability and longevity

Related reference numbers
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99710613

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