Parts for your 1999 Mazda Premacy-Gas struts

1999 Mazda Premacy gas struts — what they do and when to replace them

Yes, the 1999 Mazda Premacy is fitted with gas struts on the rear liftgate. Mazda’s CP-series Workshop Manual (Body – Liftgate) details removal/installation of the “liftgate stay damper,” and the Mazda Electronic Parts Catalogue lists left and right stay dampers for the CP Premacy. Major technical catalogues from strut manufacturers (e.g., Stabilus Lift-O-Mat and Monroe/Max-Lift) also show direct-fit tailgate gas springs for 1999 Premacy models. The bonnet on this model typically uses a prop rod, not gas struts.

On a 1999 Premacy, the gas struts (stay dampers) do the heavy lifting for the rear hatch, making it easy to open and holding it safely at full height. Over time the internal gas charge and seals wear, and you’ll notice the tailgate feels heavier, won’t stay up in cold weather, or drops the last bit on its own. That’s your cue to fit new struts—a quick, worthwhile job that brings the car back to feeling right.

Replacement is usually straightforward with basic tools: support the tailgate safely (use a sturdy prop or a helper), pop the retaining clips at each strut end, swap one side at a time, and ensure the ball joints seat fully before removing your support. Always replace in pairs so the lift and hold are balanced. If the vehicle often carries bikes, prams, or a roof rack that changes how the tailgate opens, consider heavy-duty spec options listed in professional parts catalogues for the CP Premacy.

• Tell-tale signs: tailgate sags, slow lift, squeaks, or a bang on close.
• Service tip: keep the ball studs clean and lightly greased, don’t wipe oil onto the strut shaft—just keep it clean.
• Safety: never trust a weak strut. If it won’t stay up, replace it—don’t risk a tailgate to the head.

Technically speaking, these are sealed units—no re-gassing on the driveway—so replacement is the go. With quality aftermarket or OEM-rated units matched to the CP chassis, the liftgate should pop smoothly and hold firm, even on chilly mornings, keeping the family hauler easy to live with across Aussie and Kiwi conditions.

Popular questions about 1999 Mazda Premacy gas struts

Do the bonnet and the tailgate both use gas struts on a 1999 Premacy?
The tailgate does, the bonnet generally uses a prop rod. Workshop documentation for the CP-series Premacy specifies liftgate stay dampers, while the bonnet support is a manual stay. If you find bonnet struts fitted, they’ll be aftermarket.

How long do tailgate gas struts typically last?
Five to ten years is common, but climate and use matter. Frequent opening, dust, and heat can shorten life. If the tailgate won’t hold itself up or struggles when it’s cold, that’s a fair sign the struts are due.

Can I replace Premacy tailgate struts at home?
Yes—most owners can. Support the hatch securely, swap one strut at a time, and make sure the clips lock. If ball studs are worn or corroded, replace those too to prevent pop-offs and rattles.