Breather Pipes

Oil Breather Hose from Oil Tank

Maintain the integrity of your Porsche 911's crankcase ventilation system with the Oil Breather Hose 93020738501. Designed to meet original Porsche specifications, this essential engine hose helps manage crankcase pressure and directs oil vapours through the engine's breather system, contributing to optimal engine performance, reduced emissions, and long-term reliability.

Fits:

• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50

Diagram Ref No 2

Over time, breather hoses can become brittle, cracked, or contaminated due to prolonged exposure to heat and oil vapours. Replacing a worn oil breather hose helps prevent vacuum leaks, oil seepage, and potential engine running issues while ensuring the ventilation system operates as intended.

Suitable for a range of Porsche 911 models, this replacement breather hose is manufactured to provide a precise fit and dependable performance, making it an ideal solution during engine maintenance, restoration projects, or preventative servicing.

Key Features

• Direct replacement for Porsche part number 93020738501
• Helps maintain correct crankcase ventilation
• Supports efficient engine breathing and pressure regulation
• Resistant to heat, oil vapours, and engine bay conditions
• Precision fit for straightforward installation
• Ideal for maintenance, repair, and restoration projects

Why Replace Your Oil Breather Hose?

A deteriorated breather hose can contribute to vacuum leaks, poor idle quality, increased oil residue around the engine bay, and reduced ventilation efficiency. Replacing ageing hoses helps maintain engine health and supports the reliable operation expected from your Porsche 911.

Porsche 911 Engine Breather Hoses & Crankcase Ventilation Parts

Keeping your Porsche 911's crankcase ventilation system in peak condition is essential for engine performance, longevity, and emissions control. At Design911, we supply a comprehensive range of Porsche 911 breather hoses, crankcase ventilation pipes, oil separator hoses, engine ventilation components, and OEM replacement engine hoses suitable for classic and modern Porsche 911 models.

Whether you're carrying out a full engine rebuild, restoring an air-cooled Porsche, or replacing worn ventilation components during routine maintenance, choosing high-quality breather system parts helps prevent vacuum leaks, oil contamination, and crankcase pressure issues.

Our range includes genuine Porsche breather hoses, replacement oil ventilation pipes, crankcase breather tubes, air-oil separator connections, engine vent hoses, and related Porsche 911 engine management components designed for reliable fitment and long service life.

Oil Breather Hose

The Porsche 911 Oil Breather Hose is a vital component of the engine's crankcase ventilation system, helping to regulate internal engine pressure and safely route oil vapours through the breather circuit. Manufactured to meet Porsche specifications, this replacement hose ensures reliable operation while supporting engine efficiency and longevity.

Fits:

• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50

Diagram ref no 26

Over time, breather hoses can deteriorate due to continuous exposure to heat, oil residue, and engine bay contaminants. Cracks, splits, or hardened rubber can lead to vacuum leaks, oil mist escape, poor idle quality, and reduced engine performance. Replacing worn breather hoses with the correct specification part helps maintain optimal engine operation and prevents avoidable maintenance issues.

Whether you are carrying out preventative maintenance, an engine rebuild, or a full Porsche restoration, the 93020738601 oil breather hose provides the correct fitment and dependable performance expected from a quality Porsche replacement component.

Product Features

• Direct replacement for Porsche part number 93020738601
• Supports correct crankcase ventilation system operation
• Helps maintain proper engine pressure regulation
• Resistant to oil vapours, engine heat, and ageing
• Precision fit for straightforward installation
• Suitable for Porsche 911 maintenance and restoration projects

Benefits of Replacing Your Breather Hose

A damaged or ageing oil breather hose can negatively affect engine performance by allowing vacuum leaks and disrupting airflow within the crankcase ventilation system. Installing a new breather hose helps maintain engine efficiency, reduces the risk of oil leaks, and supports long-term reliability.

Porsche 911 Oil Breather Hoses & Crankcase Ventilation Components

Design911 offers a comprehensive range of Porsche 911 oil breather hoses, crankcase ventilation components, engine vent pipes, air-oil separator hoses, vacuum hoses, and genuine Porsche replacement parts for classic and modern Porsche 911 models.

The crankcase ventilation system plays a crucial role in maintaining engine health by managing internal pressure and recirculating oil vapours. Worn or damaged breather components can contribute to oil leaks, rough running, poor emissions performance, and reduced engine efficiency.

Vapour block kit for water shield air cleaners. 



Fits:
Porsche 911 - 1965 to 1989

Mounted Inline between the engine oil tank and the evaporative unit, the PMO Vapor Block Kit is used to limit the amount of oil vapor that enters the induction system when using Water Shield Air Cleaners.