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The power steering hose is an important part of your car’s power steering system and is responsible for delivering the power fluid that helps the driver turn the steering wheel with ease. Choosing the right size of power steering hose is crucial to ensure that the steering system works properly.

Factors affecting the size of power steering hose

Power steering hose sizes vary by model and manufacturer. In general, these hose sizes usually vary in diameter and length. To determine the correct size, you need to consider the make, model and year of your vehicle. You also need to make sure that the hose you purchase meets the vehicle manufacturer’s specifications to ensure installation and performance compatibility.

Power Steering Hose SAEJ188

Measurement of power steering hose size

Check the vehicle manual: Vehicle manuals usually provide information on power steering hose dimensions.
Measure the original line: Use calipers to measure the inside diameter and outside diameter of the original power steering hose.
Consult a professional: If you are unable to measure the power steering hose yourself, consult a professional at an auto body store.

Common Power Steering Pipe Sizes

The size of power steering hose is usually expressed in terms of inner diameter and outer diameter, and the common sizes are as follows.
Inside diameter: 8mm, 10mm, 12mm, 14mm, 16mm.
Outside diameter: 12mm, 14mm, 16mm, 18mm, 20mm

power steering pipe
power steering pipe

Cautions for choosing power steering hose size

Size Matching: The selected power steering hose size should be matched with the vehicle model, power steering pump type and hose connection.
Material selection: Power steering hose is usually made of rubber or metal, and should be selected according to the vehicle environment and needs.
Quality Assurance: Choose a reliable quality power steering hose to prolong the service life.

Precautions for power steering hose installation

Clean the power steering hose: Clean the power steering hose before installation to remove dirt and impurities.
Correct Connection: Connect the power steering hose correctly according to the vehicle manual or professional’s instruction.
Check the sealing: Check the power steering hose for leakage after installation.

Power steering hose FAQ

How often do I need to replace the power steering hose?
The service life of power steering hose is generally 3-5 years, the specific replacement cycle depends on the use of the vehicle and maintenance conditions.

What should I do if the power steering hose is leaking?
If the power steering hose is leaking, it should be repaired or replaced in time.

Can I replace the power steering hose by myself?
If you have some hands-on skills, you can replace the power steering hose by yourself by referring to the vehicle manual or video tutorials. However, it is recommended that you go to a professional auto repair store for replacement to ensure safety.

sae j189


Choosing and installing the right power steering hose is crucial to ensure that your vehicle’s steering system works properly. Hopefully, this guide will help you better understand power steering hose sizes.