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Porsche // Panamera 971 MK1 (2017-2020) // 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
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Coolant Hose, Water Tank To T-Piece. Porsche 95B.1 Macan 2.0L Petrol 2014-18 - 95B121049A
95B121049A/1
Vehicle Group
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Information
Coolant Hose, Water Tank To T-Piece.
Diagram Ref No 10
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B121049A
The product you are viewing cross references to these numbers
The Coolant Hose – Water Tank to T-Piece is a OE MATCH cooling system component designed to connect the coolant expansion tank (water tank) to the T-piece junction within the cooling circuit. This hose ensures proper coolant flow between the reservoir and the main cooling system, helping maintain stable system pressure and temperature regulation.
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Diagram Ref No 10
What This Product Does:
- Connecting the expansion tank to the cooling circuit T-piece
- Allowing coolant circulation between the reservoir and system
- Maintaining proper cooling system pressure balance
- Supporting efficient coolant recovery and return flow
- Helping prevent air ingress into the cooling system
Symptoms Of Wear Or Failure:
- Coolant leaks near the expansion tank or T-piece junction
- Cracked, brittle, swollen, or softened hose material
- Coolant smell from the engine bay
- Low coolant warning light
- Gradual or unexplained coolant loss
- Visible coolant residue around hose connections
- Overheating if coolant loss becomes significant
Why Replacement Matters:
- Prevent sudden coolant leaks and breakdowns
- Maintain correct cooling system pressure
- Protect the engine from overheating damage
- Ensure proper coolant recovery and circulation
- Avoid costly repairs resulting from cooling system failure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B121049A
95B121049A
The product you are viewing cross references to these numbers
Price: £15.71
In stock
Related products
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Vehicle Group
- 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
Information
Coolant Hose For Reservoir, Lower.
Maintain proper coolant circulation and engine temperature control with the 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:
Diagram Ref No 10
What This Product Does:
Symptoms Of Wear Or Failure:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A712210911
The product you are viewing cross references to these numbers
Maintain proper coolant circulation and engine temperature control with the 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
9A712210911
9A712210910
The product you are viewing cross references to these numbers
Price: £39.16
Orderable
Vehicle Group
- 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
Information
Coolant Hose For Reservoir, Lower.
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:
Diagram Ref No 10
What This Product Does:
Symptoms Of Wear Or Failure:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A712210911
The product you are viewing cross references to these numbers
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
9A712210911
9A712210910
The product you are viewing cross references to these numbers
Price: £27.53
In stock
.jpg){kind=link}
Vehicle Group
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- 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
- Porsche 976 Panamera V6 2.9L 2023>>
- Porsche 976 Panamera 4 V6 2.9L 2023>>
- Porsche 976 Panamera 4 E-Hybrid V6 2.9L 2023>>
- Porsche 976 Panamera 4S E-Hybrid V6 2.9L 2023>>
Information
Breather Line, Reservoir.
Maintain proper engine and cooling system ventilation with the Breather Line, Reservoir. This component is designed to route air and vapor from the reservoir system, helping regulate pressure and support smooth, efficient operation.
Fits:
Diagram Ref No 9
What This Product Does:
Symptoms Of Wear Or Failure:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A712244710
The product you are viewing cross references to these numbers
Maintain proper engine and cooling system ventilation with the Breather Line, Reservoir. This component is designed to route air and vapor from the reservoir system, helping regulate pressure and support smooth, efficient operation.
Fits:
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- 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
- Porsche 976 Panamera V6 2.9L 2023>>
- Porsche 976 Panamera 4 V6 2.9L 2023>>
- Porsche 976 Panamera 4 E-Hybrid V6 2.9L 2023>>
- Porsche 976 Panamera 4S E-Hybrid V6 2.9L 2023>>
Diagram Ref No 9
What This Product Does:
- Releases trapped air and pressure from the reservoir system
- Helps prevent pressure buildup that can stress hoses and seals
- Supports proper coolant reservoir operation during heating/cooling cycles
- Maintains stable cooling system performance
Symptoms Of Wear Or Failure:
- Coolant or vapor leaks near the reservoir area
- Sweet coolant smell from the engine bay
- Cracked, brittle, or collapsed hose material
- Loose or damaged hose connections
- Coolant residue buildup around fittings or clamps
- Pressure buildup in the cooling system (may cause swelling hoses)
- Coolant loss over time without obvious major leaks
- Check engine light (in some cases, if pressure/venting issues affect sensors)
- The reservoir breather line plays a key role in allowing the cooling system to safely vent air and vapor as temperatures rise and fall. If this line becomes cracked, brittle, or blocked, it can lead to improper pressure regulation within the system.
- Failure to replace a worn breather line may result in coolant leaks, pressure buildup, stressed hoses or seals, and reduced cooling system efficiency. Over time, this can contribute to overheating or additional component damage.
- Replacing the breather line helps maintain proper system ventilation, prevents unnecessary strain on cooling components, and supports long-term engine reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A712244710
9A712244710
The product you are viewing cross references to these numbers
Price: £38.44
In stock
Vehicle Group
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- 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
- Porsche 976 Panamera V6 2.9L 2023>>
- Porsche 976 Panamera 4 V6 2.9L 2023>>
- Porsche 976 Panamera 4 E-Hybrid V6 2.9L 2023>>
- Porsche 976 Panamera 4S E-Hybrid V6 2.9L 2023>>
Information
Breather Line, Reservoir.
Maintain proper engine and cooling system ventilation with the OE MATCH Breather Line, Reservoir. This component is designed to route air and vapor from the reservoir system, helping regulate pressure and support smooth, efficient operation.
Fits:
Diagram Ref No 9
What This Product Does:
Symptoms Of Wear Or Failure:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A712244710
The product you are viewing cross references to these numbers
Maintain proper engine and cooling system ventilation with the OE MATCH Breather Line, Reservoir. This component is designed to route air and vapor from the reservoir system, helping regulate pressure and support smooth, efficient operation.
Fits:
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- 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
- Porsche 976 Panamera V6 2.9L 2023>>
- Porsche 976 Panamera 4 V6 2.9L 2023>>
- Porsche 976 Panamera 4 E-Hybrid V6 2.9L 2023>>
- Porsche 976 Panamera 4S E-Hybrid V6 2.9L 2023>>
Diagram Ref No 9
What This Product Does:
- Releases trapped air and pressure from the reservoir system
- Helps prevent pressure buildup that can stress hoses and seals
- Supports proper coolant reservoir operation during heating/cooling cycles
- Maintains stable cooling system performance
Symptoms Of Wear Or Failure:
- Coolant or vapor leaks near the reservoir area
- Sweet coolant smell from the engine bay
- Cracked, brittle, or collapsed hose material
- Loose or damaged hose connections
- Coolant residue buildup around fittings or clamps
- Pressure buildup in the cooling system (may cause swelling hoses)
- Coolant loss over time without obvious major leaks
- Check engine light (in some cases, if pressure/venting issues affect sensors)
- The reservoir breather line plays a key role in allowing the cooling system to safely vent air and vapor as temperatures rise and fall. If this line becomes cracked, brittle, or blocked, it can lead to improper pressure regulation within the system.
- Failure to replace a worn breather line may result in coolant leaks, pressure buildup, stressed hoses or seals, and reduced cooling system efficiency. Over time, this can contribute to overheating or additional component damage.
- Replacing the breather line helps maintain proper system ventilation, prevents unnecessary strain on cooling components, and supports long-term engine reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A712244710
9A712244710
The product you are viewing cross references to these numbers
Price: £29.79
In stock