How to Replace Trunk Struts

A trunk that won’t stay open is more than just annoying — it’s a safety risk. If your rear hatch suddenly drops, feels heavy to lift, or no longer holds its position, your trunk struts are likely failing.

Many car owners start searching for how to replace trunk struts, while others look for how to replace trunk shocks or how to replace trunk lift supports. No matter the term, the goal is the same: fix the problem safely and efficiently.

Trunk struts (also known as gas struts or lift supports) are components installed on a vehicle’s trunk or tailgate that support and hold the trunk open, making it easier and safer to access the cargo area.

Before jumping into replacement, it’s important to confirm whether the issue is actually caused by worn struts. A properly functioning gas strut should provide smooth, controlled lifting and stable support. When it fails, the change is usually noticeable. Common signs of failure include:

When replacing trunk struts, one of the most important steps is ensuring the correct OEM reference or equivalent specification. Different vehicles require specific length, force, and end fittings. Below are some commonly searched OEM trunk strut references across popular vehicle brands:

If you’re learning how to replace trunk lift supports or trunk shocks for the first time, follow these simple steps:

Even though trunk strut installation is generally straightforward, small mistakes can lead to poor performance, reduced lifespan, or even safety risks.

Once you understand how to replace trunk struts, the next step is selecting the correct replacement. This is where many users hesitate, because even small specification differences can affect fit, performance, and safety. Key factors to consider:

GASTAC trunk struts are designed to fit a wide range of passenger cars, SUVs, hatchbacks, wagons, and light commercial vehicles. As a professional GASTAC, we provide reliable replacement solutions that cover most mainstream automotive brands and models worldwide. Please check the table below for detailed vehicle brand compatibility.

OEM parts are specifically designed for particular vehicle models, ensuring precise fit and original performance—but they are often more expensive and sometimes harder to source. High-quality aftermarket gas springs, such as those from GASTAC, provide a reliable and practical alternative for most users. Advantages include:

Learning how to replace trunk struts is one of the easiest and most rewarding DIY car maintenance tasks.

With the right preparation, proper steps, and high-quality replacement parts, you can restore safe and smooth trunk operation in minutes.

For reliable performance and long-term durability, choosing a trusted gas spring manufacturer like GASTAC ensures your replacement is not just easy — but dependable.