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Porsche // Panamera 971 MK2 (2021-2023) // 971.2 Panamera GTS 4.0L V8 2021-23
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Connecting Hose Heater Valve. Porsche 928 1985-95 - 92857456703
92857456703/1
Vehicle Group
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Information
Heater Valve Connecting Hose – Coolant System Hose
High-quality replacement heater valve connecting hose designed for Porsche 928 models from 1985 to 1995.
This hose connects the heater valve within the cooling
system, allowing proper coolant flow to the heater matrix. It plays a critical
role in maintaining effective cabin heating and overall cooling system
performance.
Fits:
- Porsche 928S2 4.7L 1985-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 4
Manufactured to OEM specifications, this hose ensures precise fitment, durability, and resistance to heat and pressure—ideal for maintenance, repair, or restoration of your Porsche 928.
Key Features
• Direct replacement heater valve connecting hose
• Suitable for Porsche 928 (1985–1995)
• Ensures correct coolant flow to heater system
• OEM-style fit and performance
• Heat- and pressure-resistant construction
• Ideal for cooling and heating system maintenance
Function and Purpose
This hose forms part of the vehicle’s cooling and heating system.
It helps to:
• Transfer coolant to and from the heater valve
• Support efficient cabin heating performance
• Maintain proper coolant circulation
• Prevent leaks and pressure loss within the system
Why Replace Your Heater Hose
Over time, coolant hoses can degrade due to heat cycles and ageing.
Common issues include:
• Cracking or hardening of rubber
• Coolant leaks
• Reduced heating efficiency
• Risk of hose failure under pressure
Replacing the hose restores system reliability and prevents costly damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857456703
92857456703
The product you are viewing cross references to these numbers
Price: £27.19
In stock
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Information
Plastic rivet. Sold each.
Fits:
Various Porsche models.
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Vehicle Group
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Information
Heating Hose.
The Heating Hose is a genuine Porsche OEM heater coolant hose designed to carry hot engine coolant through the HVAC heating circuit. This hose supports proper coolant circulation to the heater core and heater pump, ensuring consistent cabin heating performance and maintaining stable cooling system operation. Manufactured to Porsche specifications, it offers precise fitment, excellent resistance to heat and pressure, and long-term durability for Porsche Panamera (971) models.
Fits:
Diagram Ref No 2
What This Product Does:
Why Replacement Matters:
Related reference numbers
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PAE819314H
The product you are viewing cross references to these numbers
The Heating Hose is a genuine Porsche OEM heater coolant hose designed to carry hot engine coolant through the HVAC heating circuit. This hose supports proper coolant circulation to the heater core and heater pump, ensuring consistent cabin heating performance and maintaining stable cooling system operation. Manufactured to Porsche specifications, it offers precise fitment, excellent resistance to heat and pressure, and long-term durability for Porsche Panamera (971) models.
Fits:
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
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Diagram Ref No 2
What This Product Does:
- Transports hot engine coolant through the heater circuit.
- Supplies coolant to the heater core or heater pump, enabling cabin heating.
- Helps maintain continuous coolant circulation within the cooling system.
- Provides a flexible, heat-resistant connection that accommodates engine movement and thermal expansion.
- Coolant may seep or drip from cracks in the hose or at the connection points, leaving wet stains or dried residue.
- A leaking heater hose can cause gradual coolant loss, requiring frequent topping up.
- If coolant flow to the heater core is reduced, the heater may blow lukewarm or cold air.
- Coolant loss from the heater circuit can reduce cooling efficiency and contribute to overheating.
- A sweet odor in the engine bay or cabin is a common sign of a heater hose leak.
- Signs include cracking or splitting, swelling or bulging, hardened or brittle rubber, soft spots, coolant staining.
- Low coolant warnings may appear if the hose begins to fail.
Why Replacement Matters:
- Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
- Maintains reliable cabin heating, since the heater core depends on proper coolant flow.
- Helps avoid engine overheating, as coolant loss reduces cooling system efficiency.
- Restores proper coolant circulation, ensuring stable engine operating temperatures.
- Protects surrounding components, because leaking coolant can damage sensors, wiring, and other engine bay parts.
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Related, superseded, cross reference or alternative numbers for comparison.
PAE819314H
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Price: £132.45
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Vehicle Group
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
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Information
Heating Hose.
The Heating Hose is a OE MATCH heater coolant hose designed to carry hot engine coolant through the HVAC heating circuit. This hose supports proper coolant circulation to the heater core and heater pump, ensuring consistent cabin heating performance and maintaining stable cooling system operation. It offers precise fitment, excellent resistance to heat and pressure, and long-term durability for Porsche Panamera (971) models.
Fits:
Diagram Ref No 2
What This Product Does:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAE819314H
The product you are viewing cross references to these numbers
The Heating Hose is a OE MATCH heater coolant hose designed to carry hot engine coolant through the HVAC heating circuit. This hose supports proper coolant circulation to the heater core and heater pump, ensuring consistent cabin heating performance and maintaining stable cooling system operation. It offers precise fitment, excellent resistance to heat and pressure, and long-term durability for Porsche Panamera (971) models.
Fits:
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
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Diagram Ref No 2
What This Product Does:
- Transports hot engine coolant through the heater circuit.
- Supplies coolant to the heater core or heater pump, enabling cabin heating.
- Helps maintain continuous coolant circulation within the cooling system.
- Provides a flexible, heat-resistant connection that accommodates engine movement and thermal expansion.
- Coolant may seep or drip from cracks in the hose or at the connection points, leaving wet stains or dried residue.
- A leaking heater hose can cause gradual coolant loss, requiring frequent topping up.
- If coolant flow to the heater core is reduced, the heater may blow lukewarm or cold air.
- Coolant loss from the heater circuit can reduce cooling efficiency and contribute to overheating.
- A sweet odor in the engine bay or cabin is a common sign of a heater hose leak.
- Signs include cracking or splitting, swelling or bulging, hardened or brittle rubber, soft spots, coolant staining.
- Low coolant warnings may appear if the hose begins to fail.
Why Replacement Matters:
- Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
- Maintains reliable cabin heating, since the heater core depends on proper coolant flow.
- Helps avoid engine overheating, as coolant loss reduces cooling system efficiency.
- Restores proper coolant circulation, ensuring stable engine operating temperatures.
- Protects surrounding components, because leaking coolant can damage sensors, wiring, and other engine bay parts.
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PAE819314H
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Information
Heating Hose.
The Heating Hose is a genuine Porsche OEM heater coolant hose designed to carry hot engine coolant through the HVAC heating circuit. This hose ensures proper coolant flow between heater system components, supporting consistent cabin heating and stable cooling system operation. Manufactured to Porsche specifications, it provides precise fitment, excellent resistance to heat and pressure, and long-term durability. Designed for Porsche Panamera (971 and 976) models, this heating hose helps maintain reliable heater performance and overall cooling system efficiency.
Fits:
Diagram Ref No 3
What This Product Does:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A781933400
The product you are viewing cross references to these numbers
The Heating Hose is a genuine Porsche OEM heater coolant hose designed to carry hot engine coolant through the HVAC heating circuit. This hose ensures proper coolant flow between heater system components, supporting consistent cabin heating and stable cooling system operation. Manufactured to Porsche specifications, it provides precise fitment, excellent resistance to heat and pressure, and long-term durability. Designed for Porsche Panamera (971 and 976) models, this heating hose helps maintain reliable heater performance and overall cooling system efficiency.
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 Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
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- 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 GTS 4.0L V8 2021-23
- Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
- Porsche 976 Panamera V6 2.9L 2023>>
- Porsche 976 Panamera 4 V6 2.9L 2023>>
- Porsche 976 Panamera GTS V8 4.0L 2023>>
Diagram Ref No 3
What This Product Does:
- Transports hot engine coolant to and from heater system components such as the heater core or heater control valve.
- Enables the HVAC system to produce warm air for cabin heating.
- Maintains proper coolant circulation within the heater portion of the cooling system.
- Provides a flexible, heat-resistant connection that accommodates engine movement and thermal expansion.
- Coolant may seep or drip from cracks in the hose or at the connection points, often leaving visible residue.
- A leaking heater hose can cause gradual coolant loss, requiring frequent topping up.
- If hot coolant cannot circulate properly through the heater core, the HVAC system may blow lukewarm or cold air.
- Coolant loss or restricted flow in the heater circuit can reduce overall cooling efficiency.
- A noticeable coolant odor in the engine bay or cabin can indicate a heater hose leak.
- Signs may include cracking or splitting, swelling or bulging, hardened or brittle rubber, coolant staining along the hose.
- Low coolant or temperature warnings may appear if leakage becomes significant.
Why Replacement Matters:
- Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
- Maintains consistent cabin heating, since the heater core depends on proper coolant flow.
- Helps prevent engine overheating, as coolant loss reduces overall cooling efficiency.
- Restores proper coolant circulation, ensuring stable engine operating temperatures.
- Protects surrounding components, because leaking coolant can damage sensors, wiring, and nearby engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A781933400
9A781933400
The product you are viewing cross references to these numbers
Price: £132.45
Orderable