Long Range Fuel Tank Mod Plates (LM1), Brisbane
Fitted a long range, auxiliary or replacement fuel tank, or a surge tank? It needs an LM1 mod plate. Autocert inspects the install and certifies it.

What we certify
- Long range and auxiliary fuel tanks
- Replacement tanks in a different size or location
- Fuel surge tanks
Typical jobs
- Dual cab utes with long range tanks
- 4WDs with underbody auxiliary tanks
- Tourers and campers
- Performance builds with surge tanks
What we check
- The tank is mounted securely and protected
- Fuel line routing and fittings
- Where the filler and breather sit
- Clearance from the exhaust and the road
- Evaporative emission systems still work
Before you book
What to send
- Rego
- Tank brand and capacity
- Where the tank is mounted
Does LM1 cover LPG?
No. Gas systems need a licensed gas fitter.
Need a mod plate?
Send your rego, VIN, photos and a list of changes. We’ll confirm the codes and give you a fixed quote, usually within a business day. Mobile across Greater Brisbane. A travel fee may apply further out.
