Parts for your 2006 Mazda 3-Gas struts

2006 Mazda 3 gas struts — what they do and when to replace them

Yes, gas struts are used on the 2006 Mazda 3 hatchback to hold the liftgate up. The bonnet uses a prop rod from factory, and the sedan’s boot typically uses torsion bars, not gas struts. Technical references: Mazda 3 (BK, 2004–2009) Workshop Manual — Body & Accessories (Liftgate Stay Removal/Installation), Mazda EPC (BK) parts catalogue listing LH/RH liftgate stays, and the 2006 Mazda 3 Owner’s Manual noting a bonnet support prop.

On the BK-series hatch, the gas struts take the weight of the tailgate so it lifts smoothly and stays put, even on a windy day at the beach. Over time, seals harden and gas pressure fades, so the lift slows, sags, or flat-out drops — not fun when loading the weekly shop.

As part of regular servicing, it’s smart to check the liftgate operation. If it needs a helping hand, won’t stay up when it’s cold, or hisses and feels oily around the shaft, the struts are due. Most owners replace them in pairs to keep lift and balance even. Lifespan varies with climate and use, but many original sets are tired by the 8–12 year mark, and any strut that’s struggling should be replaced promptly for safety.

Replacement is a quick job for a workshop or a confident DIYer. Support the tailgate safely (a mate or a prop), pop the spring clips with a small flat screwdriver, swap the strut, and click it home. Keep hands clear of the hinge line, and never remove both struts without securing the gate. Orientation matters — fit the body end up if specified on the part. Torque requirements are minimal on clip types, but ball-stud fasteners should be snug to manufacturer spec.

Care is easy: wipe the shafts with a clean, dry cloth, avoid silicone sprays or grease on the chrome as they attract grit and can damage seals. In hot Aussie and Kiwi summers struts can feel livelier, in winter they’ll feel lazier — that’s normal, but persistent droop isn’t. If you’ve got a 2006 Mazda 3 sedan, note the boot doesn’t use gas struts, so any “soft open” issues are unrelated to lift supports.

• Common signs they’re failing: tailgate drops or won’t stay up, slow lift, needing two hands to raise, oily residue on the strut, or clicking/binding.
• Choose quality replacements matched to the BK hatch, mixing lengths or pressures can misalign the liftgate.

Popular questions

Does a 2006 Mazda 3 have gas struts from factory?
The hatchback does — it uses a pair of gas-charged liftgate struts. The bonnet has a prop rod, and the sedan’s boot uses torsion bars. That’s per the Mazda BK workshop manual and parts catalogue.

How can someone tell if their liftgate struts need replacing?
If the tailgate sags, needs a shove to start moving, won’t stay up in cooler weather, or shows oil on the shaft, the gas has likely faded. Replace in pairs for even support and safe operation.

Are bonnet gas struts fitted to the 2006 Mazda 3?
No, the bonnet is supported by a prop rod on this model. If bonnet gas struts are desired, aftermarket kits exist, but they aren’t factory equipment.