Toyota Land Cruiser 1HZ Injector Set – Terrain Tamer

On a 1HZ Land Cruiser, injectors are one of the biggest factors in how the engine runs. As they wear, fuel delivery becomes inconsistent, leading to rough running, reduced power, increased smoke, and higher fuel consumption.

This Terrain Tamer injector set is designed as a complete replacement solution, supplying a full matched set of injectors rather than replacing them individually. That’s critical on a mechanical diesel like the 1HZ, where balance between cylinders directly affects performance and longevity.

Each injector is built to OEM specifications, ensuring correct spray pattern and fuel atomisation. This helps restore smooth idle, consistent throttle response, and overall drivability.

Typical kits include six injectors and associated washers, making it a complete service upgrade rather than a partial fix.

For touring vehicles, work utes, or high-kilometre engines, this is one of the most noticeable upgrades you can make to bring a tired 1HZ back to life.

Key Features:

• Complete injector set (6 injectors)
• Designed for 1HZ 4.2L diesel engine
• Restores correct fuel delivery and spray pattern
• Improves engine smoothness and throttle response
• Reduces smoke and improves fuel efficiency
• OEM-spec components for reliability
• Ideal for high-km engines and rebuilds

  What’s Included:

  • 6 x Fuel injectors
  • Injector washers / seals (kit dependent)

    Vehicle Fitment:

    Toyota Land Cruiser 70 Series (HZJ70, 73, 75, 78, 79)
    Toyota Land Cruiser 80 Series (HZJ80)
    Toyota Land Cruiser 105 Series (HZJ105)
    Engine: 1HZ 4.2L diesel

    
    Notes:

This product is listed for Toyota Land Cruiser 100 Series and 105 Series models.

Compatibility can still vary between 100 Series IFS and 105 Series solid front axle models, as well as engine, transmission, production date and vehicle modifications.

Need help? Not sure if this fits your vehicle? Contact us before ordering and we will help verify compatibility.