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Expansion Tank Hoses
By OE Match
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Fits:
Porsche 95B.1 Macan 2.0L 2014-18
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B121447A
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
The Water Tank Breather Hose is a OE MATCH cooling system component designed to vent air and regulate pressure within the coolant expansion tank (water tank). This hose allows excess air and vapour to escape safely, helping maintain stable cooling system pressure and efficient coolant circulation.
Fits:
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Diagram Ref No 9
What This Product Does:
- Allowing trapped air and vapour to vent from the expansion tank
- Maintaining correct cooling system pressure balance
- Preventing airlocks within the coolant circuit
- Supporting efficient coolant recovery and circulation
- Helping ensure stable engine temperature regulation
Symptoms Of Wear Or Failure:
- Coolant leaks near the expansion tank area
- Cracked, brittle, or weakened hose material
- Coolant smell from the engine bay
- Low coolant warning light
- Air in the cooling system after bleeding
- Fluctuating engine temperature readings
- Coolant residue around hose connections
Why Replacement Matters:
- Maintain correct cooling system pressure
- Prevent airlocks and coolant loss
- Protect the engine from overheating damage
- Restore efficient coolant circulation
- Avoid costly repairs caused by cooling system failure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122447D
The product you are viewing cross references to these numbers
OEMatch Expansion Tank Hoses — Durability, Sealing, Performance
OEMatch Expansion Tank Hoses for Porsche models form part of the vehicle's cooling system, linking the coolant reservoir to the engine and radiator. Proper hose condition supports stable pressure and coolant recovery during temperature changes and reduces the risk of leaks or overheating.
Available Types
- Moulded hose assemblies designed for specific mounting routes
- Reinforced rubber hoses with beaded ends for clamp connections
- Silicone high-temperature hoses used in some applications
Understanding OEMatch Expansion Tank Hoses
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original expansion tank hoses. OE (Original Equipment) refers to parts matching original specifications for the expansion tank hoses and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM expansion tank hoses engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Expansion tank hoses transfer coolant between the reservoir and the cooling circuit, accommodating pressure and volume changes as the engine warms and cools. They must resist heat, coolant chemistry and pressure to maintain sealing at connectors and clamps. On Porsche models these hoses follow specific routing and often include shaped sections or moulded ends to fit tight clearances.
Benefits Include
- Restored coolant flow and pressure regulation
- Reduced risk of leaks and air ingress into the cooling system
- Improved temperature stability for the engine and ancillary components
Why Expansion Tank Hoses Wear and Fail
- Repeated heat cycles causing rubber fatigue and cracking
- Degradation from coolant additives and chemical exposure
- Failure of clamps, connections or moulded terminations leading to leaks
The Importance of Replacing with OEMatch Expansion Tank Hoses
A failing expansion tank hose can allow coolant loss, introduce air into the circuit or upset system pressure, any of which can lead to overheating and potential engine damage. Replacing worn hoses is a preventative maintenance task that helps maintain cooling system integrity and avoids secondary faults.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Selected for Porsche applications to suit original routing and clearances
- Supplied in materials chosen for resistance to coolant and heat exposure
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
