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Engine Block Hoses
By OE Match
- Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
- Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
- Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21
- Porsche 95B.3 Macan S Petrol 2.9L V6 (380Bhp) 2022>>
- Porsche 95B.3 Macan GTS Petrol 2.9L V6 (440Bhp) 2022>>
The Engine Coolant Breather Line is a OE MATCH cooling system component designed to vent trapped air and regulate pressure within the engine’s coolant circuit. This breather hose allows air and vapour to escape safely, helping maintain proper coolant circulation and consistent system pressure.
Fits:
- Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
- Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
- Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21
- Porsche 95B.3 Macan S Petrol 2.9L V6 (380Bhp) 2022>>
- Porsche 95B.3 Macan GTS Petrol 2.9L V6 (440Bhp) 2022>>
Diagram Ref No 1
What This Product Does:
- Allowing trapped air to vent from the coolant circuit
- Preventing airlocks that can reduce cooling performance
- Maintaining stable cooling system pressure
- Supporting efficient coolant flow
- Helping regulate engine operating temperature
Symptoms Of Wear Or Failure:
- Coolant leaks near the hose or connection points
- Cracked, brittle, or split hose material
- Coolant smell from the engine bay
- Low coolant warning light
- Difficulty bleeding the cooling system
- Fluctuating engine temperature readings
- Coolant residue around hose fittings
Why Replacement Matters:
- Maintain correct cooling system pressure
- Prevent airlocks and coolant circulation issues
- Protect the engine from overheating damage
- Restore reliable cooling system performance
- Avoid costly repairs caused by cooling system failure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122909D
The product you are viewing cross references to these numbers
OEMatch Engine Block Hoses — Durability, Sealing, Performance
OEMatch engine block hoses for Porsche models are designed as compatible, application-focused replacements that help maintain cooling system integrity and temperature control. These hoses are specified for the connections between the engine block, radiator and heater circuit and are intended to resist heat and fluid exposure while preserving routing and mounting clearances. OEMatch components are a practical option when genuine or OEM items are unavailable.
Available Types
- Engine block coolant hoses for front-engine Porsche models
- Radiator inlet and outlet hoses
- Heater hoses and bypass connections
- Replacement clamps, connectors and intermediate hoses
Understanding OEMatch Engine Block Hoses
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original engine block hoses. OE (Original Equipment) refers to parts matching original specifications for the engine block hoses and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM engine block hoses engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Engine block hoses circulate coolant through the engine’s cooling circuit, carrying fluid between the water pump, radiator and heater core to regulate temperature, maintain system pressure and reduce the risk of overheating. Proper routing and material selection are important to avoid chafing, heat soak and premature softening.
Benefits Include
- Restored coolant circulation and improved temperature control
- Reduced risk of leaks at hose joints and clamps
- Heat-resistant materials to limit premature ageing
- Preserves original routing and mounting clearances
Why Engine Block Hoses Wear and Fail
- Heat-induced rubber ageing and hardening over time
- Chemical degradation from coolant additives or contamination
- Mechanical abrasion caused by contact with adjacent components
- Clamp or connector failure allowing leaks under pressure
The Importance of Replacing with OEMatch Engine Block Hoses
Replacing tired or damaged engine block hoses prevents coolant loss, overheating and secondary faults such as gasket failure or warped components. For Porsche models, correct hose length, diameter and bend radius help maintain coolant flow and avoid stress at joints. Choosing the right replacement hose maintains system pressure and routing, reducing the chance of repeat failures and supporting long-term reliability.
Advantages
- Materials chosen for heat and fluid resistance
- Manufactured to match original dimensions and routing
- Supplies include common connection fittings and clamps
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; check for correct routing, secure clamps and any nearby heat sources before returning the vehicle to service.
