Parts for your 2009 Nissan Serena-Gas struts

2009 Nissan Serena (C25) gas struts — tailgate lift supports

Gas struts are absolutely relevant to the 2009 Nissan Serena (C25). Technical sources such as the Nissan Serena C25 Service Manual (Body/Exterior – Back Door: Removal and Installation) identify a gas‑charged “back door stay” fitted to the tailgate. The Nissan Electronic Parts Catalogue (EPC) lists this as “Stay Assy – Back Door” for the C25 series, and common aftermarket catalogues (e.g., Stabilus Lift‑O‑Mat and Monroe/Max‑Lift applications for 2005–2010 Serena C25) supply direct‑fit tailgate gas springs. Note the bonnet on this model typically uses a prop rod, and the sliding side doors run on rollers, so the gas struts relate specifically to the rear tailgate.

On a 2009 Serena, the pair of tailgate gas struts does the heavy lifting: they counterbalance the large door, slow its movement, and hold it safely open. That means easier loading at the shops, safer head clearance at the beach, and less effort when the family’s piling in gear.

Because they’re sealed and gas‑charged, struts gradually lose pressure over time. Heat, cold, dust and constant use all add up. Owners will usually notice one or more of these signs when it’s time to replace them:

• The tailgate won’t stay up, or sags on a slope or in cold weather.
• It opens reluctantly, feels heavy, or needs a helping hand to lift.
• Jerky movement, oily residue around the shaft, or a faint hiss with little resistance.

Replacement is straightforward but should be done safely. Always support the tailgate with a prop or a mate’s help, then swap the struts one at a time. Replace in pairs to keep lift and damping balanced. Refit the clips correctly and check the ball studs and brackets for wear or looseness. Avoid gripping or greasing the chrome shafts—just keep them clean and free of grit. If the Serena has an accessory ladder or rear bar adding weight, choose uprated struts matched to the vehicle and setup.

For best results, use quality, vehicle‑specific struts matched to the C25’s length and force rating. A quick function check should be part of regular servicing: open the tailgate fully, listen for smooth damping, confirm it holds in wind or on a mild incline, and inspect the mounts. If in doubt, it’s inexpensive insurance to refresh them—no one enjoys a tailgate to the back of the head.

Popular questions about 2009 Nissan Serena gas struts

How long do Serena tailgate gas struts usually last?
Most owners can expect 5–10 years depending on climate, use, and added rear weight. Coastal air, frequent opening, and accessories on the tailgate shorten lifespan. If the door feels heavy or won’t hold up, they’re due.

Can the original struts be re‑gassed, or should they be replaced?
Re‑gassing isn’t typical for OE‑style sealed struts. Replacement with new, correctly rated units is the reliable, cost‑effective fix, and it restores smooth, predictable operation.

Is DIY replacement okay, or should a workshop handle it?
DIY is fine for most people with basic tools—just support the tailgate securely and swap one side at a time. If mounts are worn, or if uprated struts are needed for added tailgate weight, a workshop check is smart.