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- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.2 Panamera 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 E-Hybrid 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 E-Hybrid Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S E-Hybrid 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S E-Hybrid Sport Turismo 2.9L V6 2021-23
Maintain proper coolant circulation and engine temperature control with the OE MATCH Coolant Hose for Reservoir, Lower. This hose is designed to connect the coolant reservoir to the cooling system, helping ensure consistent coolant flow and reliable system pressure.
Fits:
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.2 Panamera 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 E-Hybrid 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 E-Hybrid Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S E-Hybrid 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S E-Hybrid Sport Turismo 2.9L V6 2021-23
Diagram Ref No 10
What This Product Does:
- Transfers coolant to and from the coolant reservoir
- Helps maintain the correct coolant level and circulation
- Supports proper cooling system pressure regulation
- Prevents overheating by ensuring consistent coolant flow
- Helps the engine cooling system operate efficiently
Symptoms Of Wear Or Failure:
- Coolant leaks near the reservoir or under the vehicle
- Low coolant warning light or repeated coolant top-offs
- Engine running hotter than normal
- Visible cracks, splits, or swelling in the hose
- Soft, spongy, or brittle rubber texture
- Coolant residue or dampness around hose connections
- Sweet coolant smell from the engine bay
- Steam from under the hood (in severe cases)
- Replacing a worn or damaged lower coolant reservoir hose is critical to maintaining proper cooling system performance. This hose helps regulate coolant flow between the reservoir and engine, ensuring consistent pressure and temperature control.
- Over time, heat and pressure can cause the hose to crack, weaken, or leak. If not replaced, a failing hose can lead to coolant loss, overheating, and potentially severe engine damage. Prompt replacement helps prevent breakdowns, protects vital engine components, and ensures long-term reliability.
- Installing a new hose restores proper coolant circulation and helps keep your engine operating at a safe and stable temperature.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A712210911
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Water Coolant Pipe to Expansion Tank
Maintain the reliability and efficiency of your Porsche 924
cooling system with this OE Match Water Coolant Pipe to the Expansion Tank. This coolant hose connects the engine cooling system to the
expansion tank, allowing coolant to circulate correctly while accommodating
thermal expansion and contraction during engine operation.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Diagram ref no 5
The expansion tank plays a vital role in maintaining correct coolant levels and system pressure. The connecting coolant pipe ensures that excess coolant can flow into the expansion tank as temperatures rise and return to the cooling system as the engine cools. Without a properly functioning hose, coolant circulation and pressure management can be compromised, potentially leading to overheating and coolant loss.
Manufactured to OE Match specifications, this replacement hose provides the correct fit, flexibility and durability required for reliable long-term operation.
What Does the Coolant Pipe to Expansion Tank Do?
The coolant pipe forms part of the engine's closed cooling system.
Its primary functions include:
- Connecting the cooling system to the expansion tank
- Allowing coolant expansion and return flow
- Maintaining correct coolant levels
- Supporting cooling system pressure regulation
- Preventing coolant loss
- Assisting engine temperature control
- Helping maintain overall cooling system efficiency
A properly functioning hose is essential for reliable engine cooling and long-term engine protection.
Why Do Coolant Pipes Fail?
Cooling system hoses are constantly exposed to heat cycles, pressure fluctuations and coolant chemicals.
Common causes of failure include:
- Rubber deterioration due to age
- Heat-related hardening and cracking
- Internal hose degradation
- Coolant contamination
- Pressure fatigue
- Engine bay heat exposure
- Perished rubber connections
- General wear and ageing
As the hose ages, it may become brittle, swollen, cracked or develop leaks.
When Should the Coolant Pipe Be Replaced?
Cooling system hoses should be inspected regularly during routine servicing.
Common signs replacement is required include:
- Coolant leaks
- Cracked or split hose surfaces
- Soft or swollen hose sections
- Coolant smell within the engine bay
- Visible hose deterioration
- Cooling system pressure loss
- Unexplained coolant level drops
- Preventative maintenance during cooling system refurbishment
Replacing ageing hoses before failure helps avoid costly overheating damage.
Why Replacement Matters
A failed coolant hose can quickly lead to coolant loss and engine overheating.
Benefits of replacement include:
- Improved cooling system reliability
- Reduced risk of coolant leaks
- Better engine temperature control
- Protection against overheating
- Improved cooling system pressure retention
- Increased long-term reliability
- Reduced risk of roadside breakdowns
- Restoration of factory cooling performance
For classic Porsche models, preventative cooling system maintenance is one of the best investments in long-term engine health.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
047121060
The product you are viewing cross references to these numbers
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- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Fits:
Porsche 924 1976-85
Click 'Zoom in' to see the diagram.
Diagram ref no 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
047121060
The product you are viewing cross references to these numbers