• Phat Bars Mazda BT-50 4JJ3 air box for 2021+ models, showing the black plastic air intake box with mounting points.
  • Phat Bars Airbox for Mazda BT-50 4JJ3 (2021+), durable air intake box designed for optimal engine airflow.
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Phat Bars

Phat Bars Airbox – Mazda BT-50 4JJ3 (2021+)

Phat Bars Airbox – Mazda BT-50 4JJ3 (2021+)

$1,857.00 NZD
$1,857.00 NZD
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Usually ships within 1–2 weeks

Phat Bars Airbox – Mazda BT-50 4JJ3 (2021+)

Factory Fit | Trail-Proven Performance | Built for Aussie Conditions

Bolt-in Replacement | Water & Dust Resistant | Free Express Shipping

Product Overview

Direct bolt-in replacement for the BT-50 that uses factory mounts and grommets. Keeps a tidy OE-like finish while improving airflow and reliability.

Vehicle Compatibility
  • Mazda BT-50 3.0L 4JJ3 — 2021 onwards
Installs using factory hardware and rubber grommets.
Key Features
Build & Protection
  • Powder-coated alloy for corrosion resistance
  • Clear Perspex lid for instant filter checks
  • One-way drain valve — purges water, blocks dust
Performance
  • Improved induction efficiency for better airflow
  • Off-road tested for harsh Aussie conditions
Extras
  • Off-road filter sock included for dusty environments
What’s Included
  • Phat Bars Airbox assembly
  • Clear Perspex inspection lid
  • Integrated one-way drain valve
  • Off-road pre-filter sock
  • Reuses OEM mounting hardware & grommets
Install & Notes
  • Direct bolt-in using factory mounts; pro install recommended
  • Check coupler sizing if running aftermarket snorkel/intake
  • Always re-check clamps after first heat cycle
Payment & Shipping
  • Afterpay, Zip, Humm, Klarna available
  • Free Express Shipping Australia-Wide — dispatch in 1–2 weeks

FAQs

Does this fit the 2021-on BT-50 with the 4JJ3?
Yes — specifically designed for the 2021+ Mazda BT-50 running the 3.0L 4JJ3.
Do I need extra hardware?
No — it reuses the factory mounts and grommets.
Is it water-resistant?
Yes, designed to block dust/water ingress with a one-way valve to purge water.
Does it improve performance?
Yes — it increases induction efficiency and airflow compared to the stock box.

Common Rail Cowboys is not affiliated with Mazda. Fitment is the buyer’s responsibility.

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