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Are OEM GM Angle Position Sensors Better Than Aftermarket?

Is it time to replace your GM vehicle's steering position sensor, aka angle position sensor? You might be on the fence between getting an OEM replacement part or an aftermarket one. This comparison guide will go over the differences between both parts and determine which one delivers the most value for your money.

Below, you'll find a list of the most important factors to consider when shopping for a replacement angle position sensor.

1. Material Quality

New sensor

The angle position sensor is an important part that's constantly in use. That's why you need a sturdy replacement that will last a long time. The best way to gauge the replacement part's durability is to look at its material quality.

OEM angle position sensors are made of high quality materials. They will not break easily and will last a long time.

Aftermarket angle position sensors vary in terms of quality. Some are made to last longer than others. Yet, buying an aftermarket angle position sensor is a gamble. It's pretty rare to end up with a high quality aftermarket sensor. Most likely, you'll get a low quality sensor that will may malfunction or fail early.

2. Fitment

The angle position sensor is a donut-shaped part that's fitted on the steering column. Fitment is always important when it comes to buying any car part. In the case of angle position sensors, fitment is extra important.

GM vehicles have unique angle position sensor designs. OEM parts are perfectly matched to these designs so they fit well and work properly. Aftermarket sensors, on the other hand, do not always match the OEM designs. On some occasions, aftermarket parts don't fit at all. This can create installment and/or functionality issues.

3. Compatibility With Your Vehicle's Electrical System

Replacing sensor

Image Credit: DrShock

The angle position sensor is an electrical part. As discussed in this blog post, the angle position sensor has an important role. It monitors the angle of the steering input and then communicates the information to the ECU. So it's crucial to have a functioning sensor at all times.

It's very important that you buy an angle position sensor that is compatible with your vehicle's electrical system. You should always look for one that works specifically with your model of GM vehicle. Your best bet is to get an OEM sensor. That way, you'll know that it's perfectly compatible with your vehicle's electrical system.

There's no guarantee that any aftermarket sensor will be compatible with your electrical system. It would need:

  • The right wiring and connectors
  • The right resistance

A lot of aftermarket sensors have poor quality connectors or don't match the electrical specs of the OEM part. This can damage your vehicle's electrical system.

Key Takeaway

OEM angle position sensors deliver far more value than aftermarket units do. It's because:

  • OEM angle position sensors are built with quality materials
  • OEM angle position sensors are designed to OE specs, guaranteeing perfect fitment
  • OEM angle position sensors are compatible with your vehicle's electrical system

Aftermarket angle position sensors have a higher chance of being defective or incompatible with your vehicle. The best way to reduce these risks is to buy a genuine OEM sensor.

At GM Parts Center, we have an inventory of genuine OEM angle position sensors at rock bottom prices. Please contact us if you need help finding the right part number for your GM model.