The Airbag Man Air Suspension Helper Kit fits the Nissan Navara NP300 D23 (2015-ON) across all cab and chassis variants, adding adjustable air support to your factory rear leaf springs without lifting the vehicle at rest. Air pressure runs from 0-100 PSI on demand, so you load up the pressure for a loaded canopy, camper trailer or full toolboxes and bleed it back down for an unladen daily-drive ride. It bolts onto the existing leaf spring setup with no cutting or drilling, working alongside your current shocks rather than replacing them. Backed by an Airbag Man manufacturer warranty, dispatched from Australian stock with fitment support from our team.
Airbag Man helper kits use heavy-duty rubber bellows that mount between the chassis and the leaf pack – add air when the load goes on to bring the vehicle back level, then let it out and the standard springs carry on exactly as before. Because each side inflates independently, you can also correct for an off-centre load like a slide-on or water tank.
They shine when the load keeps changing – a van on the towball some weekends, a loaded tray on others. Worth being clear about what they don't do: helper airbags don't increase your GVM or payload; they manage ride height and stability within the vehicle's existing ratings. If the vehicle is always loaded, upgraded springs (with airbags for the variation on top) is the better setup.
Doing the whole vehicle at once? We also stock the matching rear Shock Absorbers and rear Leaf Springs for the Nissan Navara NP300.
Browse all compatible suspension parts for your Air Suspension Helper Kit Nissan Navara using our parts finder.
This kit works with your existing rear leaf springs rather than replacing them, so the airbag pressure — not a spring rate — is what you tune to the load. Run low pressure (around 10-20 PSI) for an unladen or lightly loaded tray, and wind up towards 100 PSI as you add a canopy, tool storage, bull bar, winch or camper trailer ball weight. If you're carrying a genuinely heavy constant accessory load (dual battery setup, water tanks, permanent canopy), consider stepping up to an upgraded leaf spring to reduce how hard the airbags need to work.
Fitment involves mounting the upper and lower brackets to the existing leaf spring perches and axle, then running the air line to the valve — most experienced DIY installers with basic tools can complete this in an afternoon, though a workshop fit is recommended if you're not confident under the vehicle. No wheel alignment is required as part of this kit since ride height at rest isn't changed. We do recommend a visual check of your rear shock absorbers while the wheels are off, and if you're combining this with a lift kit or heavier leaf springs, pair it with correctly rated control arm upgrades to keep suspension geometry correct.
Airbag Man is an Australian brand that designs and tests its air helper kits specifically for local vehicles and local load conditions — towing, touring and trade use. Every kit ships with a manufacturer warranty and is backed by our in-house fitment support team, so you're not left guessing on bracket compatibility or air line routing. Tourers, tradespeople and caravan owners running the NP300 use this kit to keep the tray level without stepping up to a full spring change — view the full Airbag Man range for other vehicle applications.
This kit suits NP300 owners who regularly carry a variable load — tradespeople with a ute tray that's sometimes empty and sometimes full of gear, and tourers towing a camper or caravan only part of the time. If your rear end sags every time you hook up a trailer or load the tray, on-demand airbag suspension gives you a way to firm things up only when you need it, rather than running stiffer leaf springs all the time.
In stock in Australia and dispatched fast, with our team available to confirm fitment before you buy — browse our full lift kit range if you're also considering a permanent height increase alongside this helper kit.
| Make | Model | Series | Years | Engine |
|---|---|---|---|---|
| Nissan | Navara | NP300 D23 — Single Cab | 2015-ON | 2.3L Twin Turbo Diesel |
| Nissan | Navara | NP300 D23 — King Cab | 2015-ON | 2.3L Twin Turbo Diesel |
| Nissan | Navara | NP300 D23 — Dual Cab | 2015-ON | 2.3L Twin Turbo Diesel |
Not sure if this fits your vehicle? Contact our suspension experts or check our FAQ page.
New to Navara suspension? Read our guide to common Navara suspension problems and how to fix them.
Genuine Airbag Man suspension from an authorised Australian dealer.
Yes, this Airbag Man helper kit is built for the Nissan Navara NP300 D23 (2015-ON) with the standard rear leaf spring setup. It suits single cab, king cab and dual cab variants running the factory leaf springs. If you've already fitted a lift kit or aftermarket leaf springs, check with our team first as bracket clearance can change. Contact our suspension experts if you're unsure about your exact configuration.
This is a load-leveling helper kit, not a lift kit, so it doesn't raise ride height at rest. Instead it adds adjustable air support (0-100 PSI) inside your existing leaf springs to resist sag once you're loaded up or towing. If you want an actual height increase as well, look at our leaf spring options or full lift kit range. Deflated, the vehicle sits and rides exactly as it did from the factory.
The kit includes 2 x Airbag Man air springs, upper and lower vehicle-specific mounting brackets, inflation valves with dust caps, braided air line and all mounting hardware for the NP300 chassis. An on-board compressor and in-cab gauge or control system are sold separately if you want to inflate on the move. Your existing rear leaf springs and shock absorbers stay in place — this kit works alongside them.
Yes, this is exactly what it's designed for. Winding the airbags up towards 100 PSI before you hook up a trailer or camper helps resist rear-end sag, keeps the tow ball weight from dragging the tail down, and holds headlight aim level. Many NP300 owners run low pressure day-to-day and only air up before a tow. It's a lower-cost way to handle occasional heavy loads compared with permanently stiffer leaf springs.
No, control arm upgrades aren't required for this kit on its own since it doesn't change ride height or suspension geometry at rest. If you're also fitting a lift kit or heavier leaf springs alongside this helper kit, then upgraded control arms are worth considering to keep alignment angles correct. For this airbag kit by itself, your factory control arms are fine.
No, a wheel alignment isn't mandatory after installing this helper kit because ride height and suspension geometry aren't altered at rest. It's still good practice to have your alignment checked if it hasn't been done recently, particularly if the vehicle has covered a lot of kilometres. If you combine this kit with a lift kit or new leaf springs, an alignment check afterwards is recommended.
This kit doesn't involve a spring rate choice because it works with your existing NP300 leaf springs rather than replacing them — you tune load support by adjusting air pressure instead. If you're carrying a genuinely heavy constant load such as a permanent canopy or slide-on camper, an upgraded leaf spring rated for that load is worth pairing with this kit. Speak with our team about matching spring rate to your typical payload.
Since this kit doesn't raise the vehicle's ride height at rest, it won't create extra tyre clearance on its own. Tyre fitment depends on your current setup and any separate lift kit you may run. If you're planning larger tyres, check our lift kit range or contact our team for clearance advice specific to the NP300.
This Airbag Man helper kit is covered by an Airbag Man manufacturer warranty against defects in materials and workmanship. We also provide fitment support from our Australian-based team if you have questions before or after installation. Keep your proof of purchase for warranty claims. Contact us directly if you experience any issues with the airbags, brackets or fittings.
Yes, deflate the airbags down towards 0-20 PSI for daily unladen driving and the NP300 rides on its factory leaf springs as normal. Wind the pressure up only when you're loaded or towing, then back down again once you've unloaded. This on-demand adjustability is the main advantage over a fixed heavier leaf spring for owners who don't carry a load every day.
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