Parts for your 2011 Mitsubishi Lancer-Gas struts

2011 Mitsubishi Lancer gas struts — what’s fitted and how to look after them

Based on factory documentation and parts catalogues, gas struts are fitted to the 2011 Mitsubishi Lancer Sportback (hatch) tailgate, but not to the 2011 Lancer sedan’s boot or bonnet. Mitsubishi’s Lancer CJ/CF Service Manual (Body sections for Hood/Luggage and Tailgate) shows a bonnet prop rod and boot torsion bars on the sedan, while the Sportback uses gas‑charged lift supports on the rear hatch. The Mitsubishi ASA electronic parts catalogue and major lift-support catalogues (e.g., Stabilus Lift-O-Mat, Monroe Maxi-Lift) also list tailgate lifters for the Sportback only.

On the Sportback, the gas struts make the tailgate easy to lift and stop it from crashing down. They’re small, pressurised dampers that control the motion of the hatch, keeping everything smooth and safe in windy or cold conditions. If the struts are tired, the hatch can sag, close too quickly, or refuse to stay up — not ideal when loading the weekly shop.

As part of regular servicing on a 2011 Lancer Sportback, a quick strut health check is a smart move. Look for light oil misting around the rod seals, uneven lifting, or a hatch that drops in colder weather. If any of that’s happening, it’s time to replace — and always swap them in pairs so lift is balanced. Use the correct force rating (Newtons) for the model, support the tailgate securely with a prop or a mate, and avoid gripping the polished rod with pliers, as that nicks the surface and kills the seal.

A clean, dry wipe of the rods is all the maintenance they need, don’t lubricate them with oil or silicone sprays. Quality replacements usually last 5–10 years depending on use and climate, so many original 2011 units will be due by now.

For the 2011 Lancer sedan, gas struts aren’t used by design: the boot is spring‑balanced with torsion bars and the bonnet uses a prop rod. That setup is simple, light, cheap to service, and perfectly adequate for a conventional boot and steel bonnet. If a bonnet lift is desired, there are aftermarket kits, but they’re not OE and should be installed carefully to avoid panel misalignment.

• Signs it’s time: hatch won’t stay up, slow or jerky lift, oil mist on strut, worse in cold weather.
• Tips: replace in pairs, match OE force, support the hatch, torque the ball-stud fasteners properly.

FAQs

Does a 2011 Mitsubishi Lancer sedan have gas struts?
No. The sedan’s boot uses torsion bars and the bonnet has a prop rod. Gas struts are factory-fitted only on the Sportback’s tailgate according to the Mitsubishi CJ/CF service manual and parts listings.

How long do Sportback tailgate struts last on a 2011 Lancer?
Typically 5–10 years. If the hatch sags, won’t stay up, or struggles in cold weather, they’re due. Replace in pairs and use the correct force rating.

Can bonnet gas struts be added to a 2011 Lancer?
Yes, as an aftermarket upgrade. They’re not factory on the 2011 Lancer, so choose a kit designed for the CJ/CF body, follow fitting instructions carefully, and ensure mounting points don’t stress the bonnet or guards.