Breather hose. Porsche 911 1984-89  ❭  93020738501

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.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93020738501

The product you are viewing cross references to these numbers