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BOSS TRIPLE Air Bag Load Assist for Toyota Hilux 4WD 05-15 LA03T + PX-01


Boss Air Suspension

Product Code: LA-03T + PX-01

This is a brand new BOSS air bag load assist kit + In Cab Kit PX01 (Inflation Kit) to suit the rear of the Toyota Hilux 4WD models. ALL 4x4 models from 2005 up until 2015.

*Please Note: This kit doesn't fit the very latest 2015+ models.

This kit includes our triple convoluted bags (Part #2503) for vehicles with extra lift like 3" to 6". They can hold your car at a given height with less air pressure than that of the double bags so it means for a softer ride. But note they take up more room so are not suitable for standard to 2" lifted vehicles.
Some pictures in this listing show double bags - that's so you can see the brackets and how they work. This listing is for TRIPLE bags.

This is our new improved design. It utilises our heavier 2600 bags and is designed so the van rides at normal heights. Other brands are the same as our old model and when effective the van runs 2" taller in the rear. But not this kit - you still run at normal heights and still benefit from the bags being able to carry loads of 2t or more. The Load Assist Kit comes with:

  • 2 x BOSS Extreme Series Triple Bellow Airbags
  • 4 x brackets (2 upper & 2 lower)
  • Mounting Hardware
  • Quality SAE J844 Government Approved Airline
  • Dual Schrader Valves Mounted in Stainless Panel
  • Instructions for fitting

Boss Extreme series airbags are rated at 2600lb or 1136kg per side and have been government approved tested to over 750psi.

All Boss airbags are manufactured by us and are branded Boss. Beware of unbranded airbags, usually coming from China from other companies.

Average dual cab ute will run around 15-45psi depending on load.

Boss has sold over 13000 load assist kits in Australia, proven over time with 4WD enthusiasts, Mining companies, Tradies, 4WD Tour Operators as well as in Agricultural Vehicles, Trailers and motorhomes, limited only to your imagination.

To get the best performance from your kit inflate airbags just enough to achieve a level ride height. By doing this you are also allowing all of the suspension components to share the extra load of the vehicle and not putting any unecessary pressure on any one individual part of your vehicles suspension.


The In Cab kit includes the BOSS PX01 Compressor, gauge and controls. As soon as you turn the compressor on, it inflates the 2 air bags. The one-way valves prevent air transferring from one bag to the other so that you have a better ride. A gauge with twin needles is also included as well as a manual dump valve for deflating each bag separately.

This kit is used to control Load Assist Kits from inside your cab without the need for a tank and electric valves.

Simple installation and controls bags independently up and down using our PX-01 compressor.


  • 1 x PX-01 12V BOSS Air Compressor.
  • 1 x Stamped stainless steel gauge panel.
  • 2 x Pneumatic Push Buttons for dropping each bag.
  • 1 x 12V momentary switch for compressor.
  • 1 x BOSS 200psi Dual Needle back-lit Gauge.
  • 10 meters of 1/4” J844 DOT Airbrake line.
  • 2 x 1/4” push connect check valves.
  • 3 x Y Connectors.
  • 2 x T Connectors.
  • 4 x 1/4” female push fittings for gauge and buttons.
  • 10 x Cable Ties.
  • Instruction Sheet.


Fast Dispatch

Once payment has cleared we will post your item as soon as possible. However, If the item is purchased after 2pm, it will be shipped the next day.

Combined Shipping

We combine shipping for orders with multiple items to save our customers money on postage.


Most orders will be sent with a tracking number, to confirm if your item has tracking please contact us.

Please note:

Additional postage charges may apply for regional or remote areas, please contact us if you are unsure about your area.

All efforts will be made to send out orders as soon as possible so you receive your item on time. However please be aware that once an item is sent from our warehouse it is out of our control.

If you would like registered post with signature on delivery and insurance please contact us before purchasing the item.

As per Australia Post policy, all EXPRESS postage automatically have ATL (Authority to leave) which means if you’re not home at the time of delivery it will be left on the premise in a location deemed safe by Australia Post. More information about ATL can be found here

Local Pickup: Please allow up to 2 business days for local pickups

Please ensure your contact number is included and correct. Failure to do so could result in delayed shipping and/or extra delivery charges in the event of a missed delivery.

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