Steel Gearbox Guard for Toyota Land Cruiser 100 Series J100 1998–2008 – Bad Label

The Bad Label Steel Gearbox Guard for Toyota Land Cruiser 100 Series / J100 is a heavy-duty transmission protection plate designed to protect the gearbox from rocks, deep ruts, branches, raised ground and other obstacles encountered during off-road driving.

Manufactured from 2.5mm reinforced steel plate, the guard provides a strong protective barrier beneath the gearbox and is particularly well suited to Land Cruiser 100 Series vehicles used for green-laning, overlanding, expedition travel, forestry work and demanding off-road terrain.

The guard is suitable for Toyota Land Cruiser J100 models manufactured between 1998 and 2008 and is listed for all engine variants.

External steel reinforcement sections increase impact resistance, while the powder-coated finish helps protect against corrosion caused by mud, moisture, road salt and year-round use.

Product Code: 00.182

Vehicle Compatibility: Toyota Land Cruiser 100 Series / J100 1998–2008

Important Installation Requirement: This gearbox guard is designed to be used together with the matching front engine / sump guard and cannot be installed correctly without the recommended sump guard.

Complete your Land Cruiser 100 underbody protection package:
Steel Engine & Sump Guard for Toyota Land Cruiser 100 Series
Steel Gearbox Guard for Toyota Land Cruiser 100 Series

Explore more underbody protection:
Steel & Aluminium Underbody Protection

Key Features

• Designed for Toyota Land Cruiser 100 Series / J100
• Vehicle application: 1998–2008
• Suitable for all engine variants
• Protects the gearbox / transmission area
• Manufactured from 2.5mm thick steel plate
• External steel reinforcement sections increase impact resistance
• Powder-coated finish for corrosion protection
• Approximate weight: 12kg
• Designed around factory mounting locations
• Mounting screws, nuts, clips and fastening accessories included
• Installation manual supplied
• Designed to work with the matching front sump / engine guard
• Ideal for off-road, touring, expedition and working vehicles

Vehicle Compatibility

Technical Overview

Why Protect the Gearbox?

The gearbox sits along the central underside of the Land Cruiser and can be exposed to impacts when crossing deep ruts, rocks, raised centre sections and uneven terrain.

A direct strike to the transmission casing can lead to cracking, fluid loss or drivetrain failure. In remote terrain, even relatively minor gearbox damage can immobilise the vehicle and create an expensive recovery situation.

A dedicated steel gearbox guard creates a protective barrier beneath the transmission, helping absorb and distribute impacts before they reach the gearbox casing directly.

2.5mm Reinforced Steel Construction

The guard is manufactured from 2.5mm thick steel plate and includes external reinforcement sections designed to increase rigidity and resistance to deformation.

This construction helps the guard withstand contact with rocks and hard trail obstacles while spreading impact loads across a wider area.

The complete guard is powder coated to provide additional protection against moisture, mud, road salt and corrosion.

Designed as Part of a Two-Piece Protection System

This gearbox guard is not intended to operate as a completely independent plate. It is designed to work together with the matching front Bad Label Steel Engine & Sump Guard.

The front guard provides the required mounting and structural continuation for the gearbox protection system.

Required matching product:
Steel Engine & Sump Guard for Toyota Land Cruiser 100 Series J100 1998–2008

For customers building a complete underbody protection package, the two guards together provide much broader coverage than either component alone.

Complete Land Cruiser 100 Underbody Protection

• Steel Engine & Sump Guard – Toyota Land Cruiser 100 Series J100
• Steel Gearbox Guard – Toyota Land Cruiser 100 Series J100

The front engine guard protects the sump, radiator area and front underside, while this gearbox guard continues protection further along the drivetrain.

Why Choose Steel Gearbox Protection?

• Excellent resistance to direct impact
• Strong protection against rocks and trail debris
• Suitable for heavy 4x4 use
• Reinforced construction helps resist deformation
• Well suited to the weight and size of the Land Cruiser 100
• Durable solution for expedition and working vehicles
• Powder-coated finish provides additional corrosion protection

Ideal for Off-Road, Touring & Expedition Use

The Toyota Land Cruiser 100 Series is widely used for long-distance touring, overlanding, towing and off-road travel. When the vehicle is driven away from paved roads, the gearbox becomes increasingly exposed to underside impacts.

This guard is especially suitable for:

• Green-laning
• Rocky and uneven tracks
• Overland travel
• Expedition builds
• Forestry and agricultural use
• Deep ruts and raised centre sections
• Remote touring
• Water crossings with hidden obstacles
• Working and recovery vehicles

What’s Included

• 1 × 2.5mm steel gearbox guard
• Mounting screws / bolts
• Nuts
• Clips
• Required fastening accessories
• Installation manual

Important: The matching front engine / sump guard is required for correct installation and is sold separately unless specifically stated otherwise.

Recommended Supporting Upgrades

• Steel Engine & Sump Guard for Toyota Land Cruiser 100 Series
• Transfer case protection
• Differential guards
• Rock sliders / heavy-duty side protection
• Front and rear recovery points
• Suspension lift kit
• Off-road wheels and tyres
• Raised air intake / snorkel

Installation

• Designed around factory mounting locations
• Requires the matching front engine / sump guard for installation
• Mounting hardware is included
• Installation manual is supplied
• No structural vehicle modification should normally be required
• Check all mounting points before installation
• Install all fixings loosely before final alignment and tightening
• Ensure adequate clearance around gearbox, exhaust and drivetrain components
• Re-check mounting hardware after initial off-road use
• Professional fitting is recommended where the vehicle has corrosion or previous underbody modifications

Estimated fitting time: approximately 1–2 hours when fitted together with the matching front guard, depending on vehicle condition, corrosion and workshop equipment.

FAQs

Q1: What vehicle does this steel gearbox guard fit?
A: It is designed for Toyota Land Cruiser 100 Series / J100 models manufactured between 1998 and 2008.

Q2: Does it fit all Land Cruiser J100 engines?
A: Yes. The supplier lists the guard as suitable for all engine variants.

Q3: How thick is the steel?
A: The guard is manufactured from 2.5mm thick steel plate.

Q4: What does the guard protect?
A: It is designed to protect the gearbox and transmission area against underside impacts.

Q5: How much does the guard weigh?
A: The guard weighs approximately 12kg.

Q6: Is the guard reinforced?
A: Yes. External steel reinforcement sections increase resistance to impacts and deformation.

Q7: Is the guard powder coated?
A: Yes. It is powder coated to provide additional corrosion protection.

Q8: Are the mounting bolts and hardware included?
A: Yes. Screws, nuts, clips and the required fastening accessories are supplied.

Q9: Does this gearbox guard require the front sump guard?
A: Yes. This gearbox guard is designed to be installed together with the matching Steel Engine & Sump Guard for the Land Cruiser 100 Series.

Q10: Does installation require drilling?
A: The system is designed around existing factory mounting locations, so structural modification should not normally be required.

Q11: Can this be fitted to a lifted Land Cruiser 100?
A: Yes. A conventional suspension lift does not normally interfere with installation provided the original chassis and drivetrain mounting arrangement has been retained.

Q12: Can the gearbox guard be removed for servicing?
A: Yes. It can be removed when access to the transmission or surrounding drivetrain components is required.

Why Buy from OFM4x4.CO.UK

• Toyota Land Cruiser off-road upgrade specialists
• Heavy-duty steel and aluminium underbody protection
• Technical support before and after purchase
• UK-based customer service
• Carefully selected products for touring, overland and serious off-road builds