Fabryka 4x4 Aluminium Gearbox Guard for Toyota Land Cruiser 100 J100 Petrol Automatic 1998–2007 – 6mm

The Fabryka 4x4 Aluminium Gearbox Guard is a heavy-duty, vehicle-specific underbody protection plate designed for Toyota Land Cruiser 100 / J100 petrol models with automatic transmission manufactured between 1998 and 2007.

Manufactured from substantial 6mm aluminium plate, this skid plate protects the automatic gearbox from rocks, deep ruts, raised ground, mud and other obstacles encountered during off-road driving, green-laning, overlanding and expedition travel.

The protection plate is precision laser cut, formed using a press brake and then hand finished to provide accurate vehicle-specific fitment and robust protection for the transmission underside.

Important Fitment: This version is specifically designed for petrol Toyota Land Cruiser J100 models with automatic transmission. Separate Fabryka 4x4 gearbox guards are available for diesel automatic and diesel manual configurations.

Vehicle Compatibility: Toyota Land Cruiser 100 / J100 1998–2007

Engine: Petrol

Transmission: Automatic

Product Code: OUX

Build your Toyota Land Cruiser 100 aluminium underbody protection package:
Fabryka 4x4 Aluminium Engine & Sump Guard for Toyota Land Cruiser 100
Fabryka 4x4 Aluminium Gearbox Guard – Petrol Automatic
Fabryka 4x4 Aluminium Transfer Case Guard – Petrol Automatic
Fabryka 4x4 Aluminium Gearbox Guard – Diesel Automatic
Fabryka 4x4 Aluminium Transfer Case Guard – Diesel Automatic
Fabryka 4x4 Aluminium Gearbox Guard – Diesel Manual
Fabryka 4x4 Aluminium Transfer Case Guard – Diesel Manual

Steel protection alternatives:
Steel Engine & Sump Guard for Toyota Land Cruiser J100 1998–2008
Steel Gearbox Guard for Toyota Land Cruiser J100 1998–2008

Explore more underbody protection:
Steel & Aluminium Underbody Protection

Key Features

• Designed specifically for Toyota Land Cruiser 100 / J100 petrol automatic models
• Vehicle application: 1998–2007
• Protects the automatic gearbox / transmission underside
• Manufactured from heavy-duty 6mm aluminium plate
• Precision laser-cut construction
• Press-brake formed for accurate vehicle-specific fitment
• Hand finished during production
• Required mounting components included
• Can be removed when transmission servicing requires additional access
• Excellent natural corrosion resistance
• Suitable for off-road, overland, touring and expedition vehicles

Vehicle Compatibility

Important Engine & Transmission Compatibility

This gearbox guard is not a universal Toyota Land Cruiser 100 protection plate.

This Fabryka 4x4 OUX version is specifically designed for:

• Toyota Land Cruiser 100 / J100
• 1998–2007 models
• Petrol engine
• Automatic transmission

Different gearbox protection plates are available for diesel automatic and diesel manual Land Cruiser 100 models.

Please confirm the vehicle's engine and transmission configuration before ordering.

Technical Overview

Heavy-Duty Automatic Gearbox Protection

The automatic gearbox is one of the most valuable drivetrain components underneath the Toyota Land Cruiser 100 and can become exposed when the vehicle is driven across difficult terrain.

Deep ruts, raised centre sections, exposed rocks and other obstacles can contact the underside of the transmission. A severe impact may damage the gearbox casing or surrounding components and could result in fluid loss or expensive transmission repairs.

This Fabryka 4x4 aluminium gearbox guard creates a substantial protective barrier beneath the transmission, helping reduce the risk of direct impact damage.

6mm Aluminium Construction

The gearbox guard is manufactured from substantial 6mm thick aluminium plate.

The considerable material thickness provides robust protection for the gearbox while retaining the practical advantages that make aluminium popular for touring and expedition vehicle armour.

• Strong resistance to underside impacts
• Lower weight than comparable heavy steel protection
• Excellent natural corrosion resistance
• Suitable for wet, muddy and demanding environments
• Well suited to touring, overlanding and expedition builds

Precision Laser-Cut Construction

The protection plate is precision laser cut during production, allowing the overall profile, mounting locations and detailed sections of the guard to be produced accurately and consistently.

This is especially important for transmission protection because the plate must fit correctly around the drivetrain while maintaining suitable clearance.

Press-Brake Formed & Hand Finished

Following laser cutting, the aluminium plate is shaped using a press brake to create the required angles, contours and structural form.

The product is then hand finished as part of the manufacturing process.

This combination of precision fabrication and manual finishing produces a vehicle-specific guard developed around the petrol automatic Land Cruiser J100 drivetrain.

Designed Specifically for Petrol Automatic J100 Models

Gearbox dimensions, casing shape and mounting arrangements differ between the various Toyota Land Cruiser 100 drivetrain configurations.

For this reason, the Fabryka 4x4 aluminium drivetrain protection range uses different gearbox guards depending on engine and transmission type.

This OUX gearbox guard is specifically for petrol automatic models and should not be substituted for the diesel automatic or diesel manual versions.

Pair with the Petrol Automatic Transfer Case Guard

For broader drivetrain protection, this gearbox guard can be combined with the matching Fabryka 4x4 aluminium transfer case guard developed for the same petrol automatic configuration.

• 6mm Aluminium Gearbox Guard – Petrol Automatic – this product
• 6mm Aluminium Transfer Case Guard – Petrol Automatic

Together, the two guards provide dedicated protection beneath both the automatic transmission and transfer case.

Add Aluminium Engine & Sump Protection

Protection can be extended further towards the front of the vehicle with the Fabryka 4x4 6mm aluminium engine and sump guard.

Fabryka 4x4 Aluminium Engine & Sump Guard for Toyota Land Cruiser 100 J100 1998–2007 – 6mm

Combining all three appropriate aluminium guards provides protection beneath the:

• Engine
• Engine sump
• Automatic gearbox
• Transfer case

Petrol Automatic Aluminium Protection Package

For a petrol automatic Toyota Land Cruiser 100 / J100, the matching Fabryka 4x4 aluminium protection combination is:

• 6mm Aluminium Engine & Sump Guard
• 6mm Aluminium Gearbox Guard – Petrol Automatic
• 6mm Aluminium Transfer Case Guard – Petrol Automatic

This provides a comprehensive aluminium underbody protection setup for the major exposed drivetrain components.

Diesel Automatic Protection Options

Diesel automatic J100 vehicles require the dedicated diesel automatic gearbox and transfer case guards:

• Fabryka 4x4 Aluminium Gearbox Guard – Diesel Automatic
• Fabryka 4x4 Aluminium Transfer Case Guard – Diesel Automatic

Diesel Manual Protection Options

Diesel manual J100 vehicles require the corresponding manual gearbox and transfer case guards:

• Fabryka 4x4 Aluminium Gearbox Guard – Diesel Manual
• Fabryka 4x4 Aluminium Transfer Case Guard – Diesel Manual

Steel Underbody Protection Alternatives

For Land Cruiser 100 owners who prefer steel underbody armour, OFM4x4 also offers dedicated steel protection products.

• Steel Engine & Sump Guard for Toyota Land Cruiser J100 1998–2008
• Steel Gearbox Guard for Toyota Land Cruiser J100 1998–2008

This gives owners a choice between substantial aluminium protection and traditional steel underbody armour depending on intended vehicle use and overall build priorities.

6mm Aluminium vs Steel Gearbox Protection

Protection Against Off-Road Hazards

The gearbox guard helps shield the transmission against common hazards encountered during off-road driving, including:

• Rocks and exposed stone
• Deep wheel ruts
• Raised centre sections
• Tree roots
• Branches
• Mud and trail debris
• Hidden obstacles during water crossings
• Uneven forestry and agricultural roads

Ideal Uses

• Overlanding
• Expedition travel
• Green-laning
• Rocky tracks
• Deep ruts
• Forestry and agricultural roads
• Remote touring
• Water crossings
• Working 4x4 vehicles
• Petrol automatic Land Cruiser 100 builds requiring additional gearbox protection

What’s Included

• 1 × Fabryka 4x4 6mm aluminium gearbox guard
• Required mounting components

Product Code: OUX

Note: The finished product may differ in some minor details from the photographs as part of ongoing manufacturing development.

Installation

• Vehicle-specific fitment for Toyota Land Cruiser 100 / J100
• Designed specifically for petrol automatic models
• Required mounting components supplied
• Confirm the engine and transmission configuration before installation
• Position all mounting points before final tightening
• Check clearance around the gearbox, transfer case, exhaust and surrounding drivetrain components
• Re-check all mounting hardware after initial off-road use
• The guard can be removed when transmission servicing requires additional access

Professional installation is recommended where the vehicle has previous drivetrain, exhaust or underbody modifications.

FAQs

Q1: What vehicle does this gearbox guard fit?
A: It is designed for Toyota Land Cruiser 100 / J100 petrol models manufactured between 1998 and 2007 and fitted with an automatic transmission.

Q2: Is this specifically for petrol automatic Land Cruiser 100 models?
A: Yes. This Fabryka 4x4 OUX gearbox guard is specifically intended for the petrol automatic drivetrain configuration.

Q3: Does this gearbox guard fit diesel automatic models?
A: No. A separate Fabryka 4x4 aluminium gearbox guard is available specifically for diesel automatic J100 models.

Q4: Does it fit diesel manual models?
A: No. A separate gearbox guard is available specifically for diesel manual Land Cruiser 100 models.

Q5: How thick is the aluminium?
A: The gearbox guard is manufactured from 6mm thick aluminium.

Q6: What component does this guard protect?
A: It protects the automatic gearbox and transmission underside against direct impacts from rocks, ruts and other obstacles.

Q7: How is the guard manufactured?
A: The aluminium plate is precision laser cut, formed using a press brake and then hand finished.

Q8: Is mounting hardware supplied?
A: Yes. The required mounting components are included with the guard.

Q9: Is a matching petrol automatic transfer case guard available?
A: Yes. A dedicated Fabryka 4x4 6mm aluminium transfer case guard is available specifically for petrol automatic J100 models.

Q10: Is an aluminium engine and sump guard available?
A: Yes. A Fabryka 4x4 6mm aluminium engine and sump guard is also available for the Land Cruiser 100.

Q11: Can I build a complete petrol automatic aluminium protection package?
A: Yes. This gearbox guard can be combined with the aluminium engine and sump guard and the matching petrol automatic transfer case guard.

Q12: Why is transmission type important when choosing the guard?
A: Gearbox dimensions and mounting arrangements differ between drivetrain configurations, so the correct petrol automatic, diesel automatic or diesel manual protection plate must be selected.

Q13: Is a steel gearbox guard available as an alternative?
A: Yes. OFM4x4 also offers a steel gearbox guard for the Toyota Land Cruiser J100.

Q14: Is this suitable for off-road and expedition use?
A: Yes. The substantial 6mm aluminium construction is designed to protect the transmission during demanding off-road, touring, overland and expedition use.

Why Buy from OFM4x4.CO.UK

• Toyota Land Cruiser off-road upgrade specialists
• Fabryka 4x4 vehicle-specific protection products
• Petrol automatic, diesel automatic and diesel manual J100 protection options
• Choice of aluminium and steel Land Cruiser 100 underbody protection
• Technical support before and after purchase
• UK-based customer service