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Porsche // 992 (911) MK2 2024>> // Any
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Coolant Expansion Tank. Porsche 982 Boxster / Cayman 2017>> - 982121407C
982121407C
Vehicle Group
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- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
Information
Coolant Expansion Tank.
Diagram Ref No 1
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
982121407C
The product you are viewing cross references to these numbers
The Coolant Expansion Tank is a genuine OEM Porsche component designed to regulate coolant levels and maintain optimal pressure within the engine cooling system. Fitted within the cooling circuit, this expansion tank allows coolant to expand and contract safely as temperatures fluctuate, ensuring consistent engine temperature control.
Fits:
- 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 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)
Diagram Ref No 1
What This Product Does:
- Manages coolant expansion and contraction during temperature changes
- Maintains correct cooling system pressure
- Stores excess coolant and returns it when required
- Supports efficient engine temperature regulation
- Prevents overheating by stabilising the cooling system
Symptoms Of Wear Or Failure:
- Coolant leaks or visible cracks in the tank
- Low coolant warnings or frequent top-ups
- Engine overheating Coolant smell from the engine bay
- Discoloured, brittle, or warped plastic due to heat exposure
- Loss of system pressure, reducing cooling efficiency
Why Replacement Matters:
- Prevents coolant loss and overheating
- Maintains proper cooling system pressure
- Protects the engine from heat-related damage
- Ensures consistent coolant circulation
- Avoids costly repairs caused by cooling system failure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
982121407C
982121407C
982121407B
The product you are viewing cross references to these numbers
Price: £199.71
Orderable
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Information
Cap for coolant expansion tank.
Fits:
Porsche 992-1 Carrera 2019-24
Porsche 992-1 Turbo 2020>>
Porsche 992-1 GT3 / GT3 RS 2021>>
Porsche 992-2 Carrera 2024>>
Diagram ref. 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9P1121321A
The product you are viewing cross references to these numbers
Fits:
Porsche 992-1 Carrera 2019-24
Porsche 992-1 Turbo 2020>>
Porsche 992-1 GT3 / GT3 RS 2021>>
Porsche 992-2 Carrera 2024>>
Diagram ref. 2.
Related reference numbers
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9P1121321A
9P1121321
9P1121321A
The product you are viewing cross references to these numbers
Price: £38.25
Orderable