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Long Range Fuel Tanks Perth
Explore Further with Increased Fuel Capacity

Heading off on a big trip? Don’t let fuel stops limit your adventure. Coastals 4×4 supplies and installs long range fuel tanks in Perth that significantly boost your 4WD’s fuel capacity. These auxiliary or replacement fuel tanks allow you to travel longer distances between fills – perfect for remote outback routes in WA where servos are few and far between. We offer high-quality long range tanks from leading manufacturers like The Long Ranger and Brown Davis, available in both tough polyethylene and steel constructions. With a long range tank fitted, you can venture across the Nullarbor, up to the Kimberley or deep into the Simpson Desert with confidence knowing you have plenty of fuel on board.

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  • Long Range Fuel Tanks Perth | Extended Range 4×4 Fuel Tanks

Types of Long Range Tanks

Different vehicles and needs call for different tank solutions. We provide:

  • Replacement Long Range Tanks: These tanks replace your factory fuel tank with a larger capacity tank in the same location. For example, swapping a standard 80L Toyota LandCruiser tank for a 140L long range tank. They use available space more efficiently (often extending further under the vehicle or utilizing voids) to nearly double capacity without needing a second tank. Brands like The Long Ranger make model-specific replacement tanks in 3-5mm steel or heavy-duty poly. They’re designed to integrate with factory fuel systems (fuel sender, filler neck, etc.) so your fuel gauge still reads – now covering a bigger volume.
  • Auxiliary (Additional) Tanks: If your 4×4 has space, we can add an extra tank in addition to the main tank. Common setups include auxiliary rear tanks (sitting behind the rear axle) or side tanks (in unused space opposite the exhaust). These work together with the main tank to give a total combined fuel capacity. Usually, a transfer pump moves fuel from the auxiliary to the main tank when the main gets low, or some systems draw from both. Installation is more involved but you can achieve huge total capacities – some dual tank setups total 180L, 200L or more, depending on the vehicle. This is popular for dual-cab utes and wagons where replacement tanks alone might not reach the desired range.
  • Petrol and Diesel Options: We have solutions for both diesel and petrol vehicles. Diesel long range tanks are most common (touring diesels like LandCruiser, Patrol, Ranger, etc.), but we can also fit tanks for petrol 4x4s like a Prado or FJ Cruiser. We ensure materials are compatible (steel works for both, certain plastics are suitable for diesel only, etc.) and that venting/charcoal canister systems are properly accounted for on petrol installs.
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Benefits of a Long Range Tank

The advantages are significant for the avid explorer or anyone who wants convenience:

  • Extended Range: Obviously, more fuel = farther travel between stops. This opens up routes where fuel might be 600-800km apart. Even for closer destinations, it provides a buffer – you can bypass expensive outback fuel stops or handle detours without worry. Additionally, a long range tank lets you take advantage of fuel price differences (fill up in the city where it’s cheaper, and skip buying as much in remote roadhouses).

  • Less Fuel Juggling: Many outback travelers carry jerry cans. While that works, it’s a hassle and can be unsafe if not managed well (fuel vapors, spills, weight shifting). A long range tank removes the need for multiple jerries strapped all over your roof rack – consolidating fuel in a purpose-built container under the vehicle. You’ll still see some folks with a jerry for emergency backup, but the day-to-day reliance on them goes away.

  • Better Weight Distribution: Long range tanks place the extra fuel weight down low and usually centrally in the chassis – a far better location than on a roof rack or rear carrier. This helps maintain your 4×4’s center of gravity and handling characteristics. The tanks are engineered to baffle fuel to prevent sloshing that could upset the vehicle. Overall, it’s the safest and most stable way to carry extra fuel.

  • Seamless Operation: Once installed, using a long range tank is generally straightforward. Replacement tanks are invisible to the user – just fill as normal and enjoy the bigger tank. Auxiliary tanks typically have a switch for a transfer pump; flick it on when the main tank is low to transfer fuel across (often an LED indicates when transfer is done). We integrate these controls cleanly, so managing two tanks becomes second nature. No pouring, no mess – fuel management becomes push-button easy.
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Professional Installation You Can Trust

Installing a long range fuel tank is a job for experienced professionals, and the Coastals 4×4 team has done many. Our installation process includes:

  • Safely removing the factory tank (draining fuel, disconnecting lines and wiring carefully). We often do this when the vehicle is near empty to minimize weight and spillage. If needed, we temporarily store fuel and filter it before returning to the new tank.

  • Fitting the new tank with the provided high-tensile mounting hardware, ensuring it’s properly supported. We use thread locking where required and torque all bolts to spec, since a full tank can be quite heavy (100+ kg of fuel). It’s critical the tank is secure for corrugated roads.

  • Hooking up fuel lines, breathers, and transfer pumps. We use quality fuel hose and double clamp all connections. Special attention is paid to the breather/vent routing so that the tank fills correctly and prevents pressure/vacuum lock. If an auxiliary pump is installed, we wire it via a fused relay and mount the switch in an accessible spot (often near the driver’s seat or on the dash). We also integrate the fuel sender so your gauge or a secondary gauge reads the fuel level correctly – we calibrate it if needed so you know how the new readings correspond to liters remaining.

  • Testing thoroughly for leaks and proper operation. We put in some fuel, pressurize the system, and check every connection for any seepage. We test the filler neck for proper flow (some custom filler setups need tweaking to fill without burping). If a transfer pump, we test pumping fuel and make sure it cuts off appropriately or the indicator shows when done. We won’t hand back the keys until we’re confident everything is working as intended, because reliability out in the bush is paramount.

Our staff will also advise if any other modifications are recommended with a long range tank – for instance, upgrading rear suspension to handle extra constant weight, or relocating a factory spare wheel if the new tank occupies that space (some long range tank installs require moving the spare to a rear bar or roof). We cover all those considerations in the planning stage with you, so there are no surprises.

With a long range tank installed by Coastals, you’re set to tackle those long stretches with peace of mind.

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Use our Contact Form or call us on (08) 9417 9930.

To visit our store head over to 68 Cutler Rd, Jandakot WA.

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