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Breather Pipes
By OE Match
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
Fits:
Porsche 924S >>1987
Porsche 944 2.5L 1982-87 (Engine 44.05 / 44.06 / 44.07 / 44.08)
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410718701
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
Breather Hose - 15 x 2.5mm
Sold by the metre
High-quality breather hose with 15 x 2.5mm dimensions, designed for Porsche 924, 924S, and 944 models.
This versatile hose is used across multiple systems,
including fuel tank breather, oil breather, and inlet breather applications,
making it an essential component for maintaining proper ventilation and
pressure balance within the engine and fuel systems.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-85
Diagram ref no 6
Engineered to OEM specifications, this hose offers durability, flexibility, and resistance to heat, oil, and fuel vapours, ensuring reliable performance in demanding engine bay environments. Ideal for maintenance, repair, or restoration of classic Porsche models.
Key Features
• 15 x 2.5mm breather hose specification
• Suitable for Porsche 924, 924S, and 944
• Part number N0203631
• Multi-use: fuel tank, oil, and inlet breather systems
• Resistant to heat, oil, and fuel vapours
• Flexible and durable construction
• OEM-style fit and performance
Function and Purpose
This breather hose serves multiple ventilation roles across the vehicle.
It helps to:
• Vent fuel tank vapours safely
• Regulate pressure in oil breather systems
• Maintain airflow within inlet systems
• Prevent pressure build-up in critical components
• Support efficient engine and fuel system operation
Why Replace Breather Hoses
Breather hoses are exposed to heat, oil, and vapours, leading to wear over time.
Common issues include:
• Cracking or splitting
• Oil or vapour leaks
• Hardening and loss of flexibility
• Reduced ventilation efficiency
Replacing worn hoses ensures proper system balance and prevents performance issues.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
N0203631
The product you are viewing cross references to these numbers
OEMatch Breather Pipes — Fit, Function, Confidence
Breather pipes and crankcase ventilation parts for Porsche models manage oil vapour and internal pressure to protect lubrication and reduce leaks. OEMatch offers a focused selection of hoses, separators and seals suited to Porsche applications, covering routine maintenance and rebuild requirements.
Available Types
- Flexible breather hoses and oil vapour pipes
- Oil separator and catch can assemblies
- Crankcase vent hoses and connecting pipes
- Grommets, seals and mounting fittings
Understanding OEMatch Breather Pipes
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original breather pipes.
OE (Original Equipment) refers to parts matching original specifications for the breather pipes and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM breather pipes engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Breather pipes route crankcase vapour and blow-by gases away from the engine, helping to separate oil from vapour and return condensate to the sump or collection points. Correct ventilation reduces contamination, prevents pressure build-up and supports stable idling and consistent oil return across Porsche engines.
Benefits Include
- Restores correct crankcase ventilation and pressure control
- Helps reduce oil leaks and visible smoke
- Limits oil contamination and sludge formation
- Supports stable idling and efficient oil return
Why Breather Pipes Wear and Fail
- Heat-related hardening, cracking or brittleness of rubber and plastic hoses
- Oil and carbon build-up causing blockages or restricted flow
- Degraded or collapsed internal liners and collapsed passages
- Loose, hardened or damaged grommets and sealing fittings
The Importance of Replacing with OEMatch Breather Pipes
Keeping breather pipes in good condition prevents oil loss and contamination that can accelerate wear in Porsche engines. Replacing degraded hoses and seals reduces the risk of pressure-related faults and leaks, helping maintain reliable lubrication, consistent idling and longer component life when combined with regular oil and filter care.
Advantages
- Manufactured for oil and heat resistance appropriate to engine conditions
- Produced to original-spec dimensions for consistent performance
- Suitable for air-cooled and water-cooled Porsche engine layouts
