4tyres
Car, SUV or 4WD

$119GST incl.
Live pressure and temperature for every tyre, on a screen of its own. No app. No subscription.
Kits from $119 · GST included

Count your tyres. That’s your kit. Spares count too.
4tyres

$119GST incl.
6tyres

$249GST incl.
8tyres

$309GST incl.
10tyres

$389GST incl.
18–26tyres

Guardian TPMS · 18, 22 or 26
from$719GST incl.




The three kits side by side. Every tick is on the kit's own page.
| Feature | Sentinelfrom $119 | Aurafrom $179 | Guardianfrom $249 |
|---|---|---|---|
| Tyres it watches | 4 | 4 or 6 | 6–26 |
| Watches the van too | |||
| Live pressure and temperature | |||
| External sensors, screw on | |||
| No phone or app needed | |||
| Screen power | 12 V socket | Solar | Solar |
| Windscreen mount | |||
| Signal booster for long rigs | In the A6 box | Optional, $80 | |
| 180-day money-back guarantee |

Use it on your rig for six months. Not happy? Send it back for a full refund of the product price.
Read the termsTPMS kits and the ULTIMATE Bundle. Return postage is on you.
The Surge pump has 30-day returns.
The 12-month warranty sits on top, and so do your rights under Australian Consumer Law.
Real kit. Real screens. No app.



Aura A4 Solo + Surge Portable Air Pump.



Just the pump? Surge Portable Air Pump · $59 · Details →

What PSI should caravan tyres run? Start with the placard, check it with the 4 psi rule and adjust for gravel. A plain Australian guide.
3 min read

How far to air down a 4WD for gravel, sand, rock and mud, why speed matters, and why airing back up is the step that gets skipped.
2 min read

What the TPMS symbol on your dash means, why it comes on and what to do next. Plus why a live reading beats a warning light.
3 min read
