do not press the back button…
Your Vehicle
Porsche // 993 (911) (1994-1998) // 993 (911) C2S 1994-97
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
The Genuine Porsche Coolant Connection Piece Adapter (Part Number: 9A110613100) is an original equipment engine cooling system component designed for selected Porsche 911 (997.2) Carrera and Turbo models.
Fits:
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
Diagram Ref No 12
Also referred to as an engine coolant pipe adapter, coolant connection piece or coolant outlet flange, this component forms part of the engine's coolant pipework and provides a secure connection between associated cooling system components.
Manufactured to Porsche's original equipment specifications, the adapter is designed to maintain the correct coolant flow path while providing a reliable, leak-resistant connection within the engine cooling circuit.
The Porsche 997.2 uses a liquid-cooled flat-six engine, which relies on continuous coolant circulation to regulate operating temperatures and prevent excessive heat accumulation.
During normal operation, the coolant pump circulates coolant through the engine and associated cooling components. The coolant absorbs engine heat and transfers it through the cooling system, allowing the engine to operate within its intended temperature range.
The coolant connection piece provides a defined passage and connection point within this system, helping maintain the integrity of the coolant circuit.
The component is listed in Porsche's engine assembly carrier and water pipe diagram, where it connects with the associated coolant pipework and retaining components.
During operation, the adapter is exposed to engine heat, coolant pressure, vibration and repeated temperature changes.
Over time, the connection piece or its associated sealing components may deteriorate through thermal cycling, corrosion, mechanical damage or incorrect installation.
A damaged adapter may allow coolant to escape, resulting in a gradual reduction in coolant level, visible leakage or cooling system pressure loss.
If coolant loss becomes severe, the engine may overheat, potentially causing significant mechanical damage.
Replacing a worn or damaged coolant connection piece with a Genuine Porsche component helps restore a secure coolant connection, maintain cooling system integrity and support reliable engine temperature regulation.
Ideal for coolant leak repairs, engine cooling system maintenance and Porsche 997.2 engine refurbishment, this Genuine Porsche adapter provides a factory-specified replacement for compatible vehicles.
What This Product Does:
The coolant connection piece adapter is part of the engine's liquid cooling system.
Its primary function is to provide a secure connection and passage between the designated coolant pipes and associated engine cooling components.
As coolant circulates through the engine, it absorbs heat from the engine's internal passages.
The heated coolant is then directed through the cooling circuit, allowing heat to be transferred away from the engine.
The adapter helps maintain the correct coolant pathway between its connected components.
Its main functions include:
- Connecting coolant components: Provides the specified connection between the engine cooling circuit and associated pipework.
- Maintaining coolant circulation: Allows coolant to pass through the intended connection.
- Preventing coolant leakage: Supports a secure, leak-resistant joint when correctly fitted and sealed.
- Maintaining cooling system pressure: Helps preserve the integrity of the pressurised coolant circuit.
- Supporting engine temperature regulation: Contributes to the reliable circulation of coolant through the engine.
- Providing correct pipe positioning: Maintains the specified connection geometry within the engine assembly.
- Supporting reliable hose attachment: Works with the appropriate connected coolant hose or pipe arrangement.
- Accommodating normal operating conditions: Functions within the designed temperature and pressure conditions of the cooling system.
- Preserving factory cooling system routing: Maintains Porsche's intended coolant connection arrangement.
- Supporting cooling system servicing: Allows a damaged connection piece to be replaced without unnecessarily replacing unrelated components.
The adapter does not circulate coolant independently.
Coolant movement is produced by the coolant pump, while operating temperature is regulated by the thermostat and associated cooling system components.
Symptoms Of Wear Or Failure:
The coolant connection piece is exposed to repeated temperature changes, cooling system pressure and engine vibration.
Although designed for long service life, the component or its associated seals may eventually deteriorate.
Common symptoms and signs of a faulty coolant connection piece include:
- Visible coolant leakage: Coolant may escape from the adapter or its connection points.
- Falling coolant level: The expansion tank may require frequent topping up because of coolant loss.
- Coolant residue: Dried coolant deposits may appear around the adapter or nearby pipework.
- Sweet coolant smell: Escaping coolant may produce a noticeable odour around the vehicle.
- Coolant beneath the vehicle: Leaking coolant may drip onto surrounding components or the ground.
- Engine temperature rising: Significant coolant loss may reduce the cooling system's ability to control engine temperature.
- Coolant warning message: The vehicle may display a low coolant warning if the level drops sufficiently.
- Loss of cooling system pressure: A defective connection may prevent the system from retaining its intended pressure.
- Cracked adapter housing: Physical damage or ageing may cause cracks in the connection piece.
- Damaged sealing surfaces: Scratches, corrosion or deformation may prevent the joint from sealing correctly.
- Loose coolant connection: Damaged retaining components may affect the security of the connected pipe or hose.
- Deteriorated sealing ring: A worn or displaced seal may allow coolant to escape even when the adapter itself remains intact.
- Coolant leakage after servicing: Incorrect installation or disturbed seals may cause leakage following cooling system repairs.
- Repeated coolant loss under pressure: Small leaks may become more noticeable when the engine reaches operating temperature.
- Overheating during prolonged driving: Severe coolant loss may contribute to excessive engine temperatures.
Why Replacement Matters:
Replacing a defective coolant connection piece is important for maintaining the integrity of the engine cooling system.
A cracked, distorted or leaking adapter may allow coolant to escape, reducing the amount of coolant available to circulate through the engine.
Continued coolant loss can lead to overheating, particularly during demanding driving conditions or prolonged engine operation.
Excessive engine temperatures may damage seals, gaskets and other internal engine components.
Installing a Genuine Porsche replacement Coolant Connection Piece Adapter helps to:
- Restore a secure coolant connection: Replace a damaged or leaking connection piece.
- Prevent coolant leakage: Help maintain the correct seal between connected cooling system components.
- Maintain cooling system pressure: Support the intended operation of the pressurised cooling circuit.
- Preserve coolant circulation: Restore the correct passage between the associated coolant pipes.
- Support engine temperature control: Help maintain reliable cooling system operation.
- Reduce repeated coolant loss: Address leaks caused by a confirmed defective adapter.
- Reduce overheating risk: Repair a known coolant leak before significant fluid loss occurs.
- Restore correct pipe fitment: Maintain the specified connection geometry and component alignment.
- Support reliable engine operation: Help preserve cooling system performance during normal driving.
- Prevent further cooling system deterioration: Replace damaged components before leakage becomes more severe.
- Support engine refurbishment: Provide an original equipment component during cooling system or engine repairs.
- Preserve factory specifications: Maintain Porsche's intended coolant connection arrangement.
- Maintain Genuine Porsche quality: Use an original equipment replacement designed for the relevant engine.
Replacement is particularly recommended where inspection confirms cracking, damaged sealing surfaces, deformation, insecure attachment or persistent leakage originating from the adapter.
The associated seals, retaining components and connected coolant pipes should also be inspected during replacement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110613100
The product you are viewing cross references to these numbers