Custom Air Box to suit Toyota Landcruiser 100 / 105 Series - 1HZ - 1HD - 1HFTE

100 / 105 Series Panel Airbox

Suit Toyota LandCruiser 100 & 105 Series – 1HZ / 1HD / 1HD-FTE

The Radius Fabrications 100 / 105 Series Panel Airbox is a purpose-designed solution to improve airflow, filtration, and reliability for touring and off-road applications.

Engineered to suit a panel air filter, this airbox delivers excellent dust protection while maintaining strong airflow to support both standard and modified diesel setups. Designed as a direct replacement for the factory airbox, it installs in the factory location for a clean, OEM-style fit with upgraded performance.

Built using proven Australian fabrication methods, this airbox is ideal for vehicles that spend time in dusty environments, on long-distance touring trips, or tackling water crossings where consistent air quality is critical.

Key Features

• Designed to suit a panel air filter for superior filtration and dust protection

• Direct fit to the factory airbox location

• 4" inlet and 4" outlet for improved airflow

• CNC cut and folded aluminium construction

• Powder coated black for durability

• TIG welded by certified Australian tradesmen

• Fasteners and aluminium plate

• Integrated water drainage port with M8 bolt

• Engineered and manufactured in Australia

Kit Includes

• Radius Fabrications 100 / 105 Series panel airbox

• Etched clear lid with Radius Fabrications logo

• Ryco panel filter

• Aluminium plate

• Mounting hardware

• Installation instructions

Note: Piping from the airbox to the turbo/intake is not supplied.

Fitment Information

• Suits Toyota LandCruiser 100 & 105 Series

• Engine compatibility:

  • 1HZ

  • 1HD

  • 1HD-FTE

• Installs in the factory airbox position

• Utilises factory mounting points

• Factory piping retained on diesel models

• Brackets may pick up different factory mounting holes depending on model and year

Installation

• Direct bolt-in replacement

• No cutting or welding required

• Typical installation is straightforward

• Professional installation recommended for best sealing and fitment

Frequently Asked Questions

What engines does this airbox suit?

• Designed for diesel engines: 1HZ, 1HD, and 1HD-FTE.

Does it suit petrol engines like the 1FZ?

• This airbox is designed around diesel setups.

• It may physically fit some petrol vehicles if the airbox location matches, but you will need to supply your own piping from the airbox to the engine.

What size are the inlet and outlet?

• 4" inlet and 4" outlet.

Does the airbox include piping to the turbo or intake?

• No, piping from the airbox to the engine is not supplied.

Does the airbox have a drain for water?

• Yes. The airbox includes an M8 drainage port.

• We recommend leaving the bolt out for day-to-day driving and installing it for water crossings.

Does the airbox install in the factory position?

• Yes, it is designed to install in the factory airbox location using factory mounting points.

Will it work with an aftermarket snorkel?

• In most cases, yes.

• We recommend sending through details and photos of your snorkel to confirm compatibility.

Does the snorkel cover a Safari cut on 100/105 Series vehicles?

• In most cases, yes.

• We recommend sending photos to confirm suitability.

Do you offer a 4" piping kit for the 105 Series?

• No. We currently offer 3" and 2.75" piping kits only.

Is the snorkel louder than factory?

• Increased airflow can produce a noticeable induction sound under load. This is normal and expected.

Is this airbox suitable for LS-swapped vehicles?

• Yes, it can be compatible.

• Fitment should be checked carefully and minor modifications may be required.

How does this airbox affect fuel consumption?

• Results vary depending on driving habits and vehicle setup.

• Feedback from R&D and customers has shown improved efficiency in some cases due to improved airflow.

What’s the difference between a pod and panel airbox?

• Pod-style airbox:

  • Compact design

  • Direct airflow for performance setups

  • Easier filter access

• Panel-style airbox:

  • Larger filter surface area

  • Better dust protection

  • More OEM-style operation

  • Suited to daily driving and touring