Phat Bars
Phat Bars Airbox – Isuzu D-MAX 4JJ3 (2020+)
Phat Bars Airbox – Isuzu D-MAX 4JJ3 (2020+)
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Phat Bars D-Max Airbox, 4JJ3 (2020 On)
Bolt-in performance airbox for the Isuzu D-Max 3.0L 4JJ3, built for Aussie conditions
Direct fit, Aussie-made quality, off-road ready. Purpose-built for the 2020-on Isuzu D-Max 4JJ3, this Phat Bars dmax airbox bolts straight into the factory mounts and delivers better airflow and superior protection compared to OEM. 2.5mm aluminium construction with a one-way drain valve and off-road filter sock keeps water and dust out where it counts. Pair it with the Phat Bars D-Max stainless snorkel for the complete intake package.
| Specifications | |
|---|---|
| Fitment | Isuzu D-Max 3.0L 4JJ3, 2020 onwards |
| Mounting | Direct bolt-in with factory hardware and rubber grommets |
| Construction | 2.5mm aluminium with satin black powder coat |
| Lid | Clear Perspex for quick filter checks |
| Drainage | One-way duckbill drain valve, releases water and blocks dust |
| In the Box | Phat Bars airbox assembly, Perspex inspection lid, one-way drain valve, off-road filter sock (reuses OEM mounting hardware) |
Fitment Notes
- Designed specifically for the 2020-on Isuzu D-Max with the 3.0L 4JJ3 engine.
- No extra hardware needed; it reuses the factory hardware and grommets.
- The same 4JJ3 platform airbox is available for the Mazda BT-50 2021 on.
Installation Notes
- Factory mount bolt-in design; professional install recommended.
- Check coupler sizing if paired with an aftermarket snorkel.
- Inspect seals after first use to ensure a full seal.
Warranty & Returns
Covered under our standard policies. Full details on our Refund Policy page.
Shipping
Free express shipping Australia-wide, ships in 1 to 2 weeks. Afterpay, Zip, Humm and Klarna available.
Common Rail Cowboys is not affiliated with Isuzu. Fitment is the buyer's responsibility.
