4x4 Accessories

Composite Inner Guard Replacements FRONT (Isuzu D-Max and Mazda BT-50 2020/2021 - 4JJ3)



or make 4 interest‐free payments of $40.00 fortnightly with Afterpay Moreinfo

Let me know when it's back in stock!

Give us a few of your details and we'll let you know when this product is back in stock.

IMPORTANT - Please advise your model in notes at checkout. Without this note we cannot supply you with the correct inner guards.

What is this?

Munji Reinforced Inner Guards to replace the original rubber flaps that are in located within the wheel arch.

The original rubber Inner Guards will no longer fit after a 1” or 2” Body Lift is installed.


  • Inner Guards are now CNC'd out of High-density Polyethylene (HDPE).
  • Black in colour to suit the "Original Look".
  • This a UV stable material and will not deteriorate in the sun.
  • HDPE is a thermoplastic, which means if for some reason it is out of shape you can simply leave the part out in the sun on a hot day and it will be easy to flatten out again.

What are the benefits?

The replacement Inner Guards provide protection from debris to your engine components.

Options Available


Three (3) different heights are available for purchase:-

1. Standard height (no body lift) (This applies for suspension lifts as well)

2. 1” Body Lift

3. 2” Body Lift


The Inner Guards come with your chosen hardware, either:-

A. Bolts, anodized washers and Rivnuts (please note this is the recommended mounting system, however, you will require a Rivnut crimper) - $154.00 plus postage.

B. Bolts, anodized washers and Rubber Thread Inserts - $165.00 plus postage.

What vehicles does this suit?

Isuzu D-Max 2020/2021 - 4JJ3 motor

Mazda BT-50 2020/2021 - 4JJ3 motor


Tools required – Allan key / Drill

Optional tools required (depending on hardware selected) – Rivnut Crimper for rivnut hardware option

Installation Time - Approximately 30 minutes for initial install of Rivnuts

Difficulty –Do it yourself, basic tool knowledge required 


Standard postage Australia wide included in price.

N.B. Inner Guards are unable to be sent via express post due to size.

Customer Reviews

No reviews yet Write a review