Genuine Toyota 1HZ Timing Belt Cover LandCruiser HZJ75 HZJ78 HZJ79 HZJ105 05/1998 Onwards

Genuine Toyota timing belt cover to suit late-model 1HZ diesel engines from 05/1998 onwards.

Designed to protect the timing belt assembly from dust, dirt, water and engine bay contamination.

 

This genuine Toyota timing belt cover is designed for late-model 1HZ diesel engines fitted with the hydraulic-style timing belt tensioner setup.

 

The cover protects critical timing components including:

 

• Timing belt
• Tensioner assembly
• Timing pulleys
• Front timing components

 

 

A damaged or cracked timing cover can allow:

 

• Dust and dirt ingress
• Water contamination
• Premature timing belt wear
• Noise and vibration issues

 

 

Replacing damaged timing covers helps maintain proper protection and long-term timing system reliability.

 

 

 

 

Important Details

 

 

• Genuine Toyota part
• Suits late-model 1HZ engines
• Hydraulic tensioner style setup
• Direct OEM replacement
• Sold individually

 

 

Toyota Part Number:

 

• 11321-17040  

 

 

 

 

 

Vehicle Compatibility

 

 

Toyota LandCruiser:

 

• HZJ75 — 05/1998 to 07/1999
• HZJ78 — 08/1999 onwards
• HZJ79 — 08/1999 onwards
• HZJ105 — 01/1998 onwards

 

 

Engine:

 

• 1HZ 4.2L Naturally Aspirated Diesel

 

 

Also suits selected:

 

• Toyota Coaster HZB50 applications with late 1HZ setup.  

 

 

 

 

 

Common Questions

 

 

Does this suit early 1HZ engines?

No — this suits the later hydraulic tensioner setup from 05/1998 onwards.

 

What does the timing belt cover do?

Protects the timing belt assembly from contamination and debris.

 

Can a cracked cover cause issues?

Yes — contamination can reduce timing belt life and damage timing components.

 

Is this genuine Toyota?

Yes — genuine Toyota OEM timing cover.