• Direction Plus MUX Pre-Filter 4JJ3 with in-cab alarm for 2020+ vehicles, part of Preline Kits, shown in image.
  • Direction Plus MUX Pre-Filter 4JJ3 with in-cab alarm for Preline Kits, installed in vehicle dashboard, 2020 model.
  • Direction Plus MUX Pre-Filter 4JJ3 with in-cab alarm mounted on preline kit for 2020 models, shown in detailed installation view.
  • Direction Plus MUX Pre-Filter 4JJ3 with in-cab alarm, part of Preline Kits, installed in water filtration system.
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Direction Plus

MUX Pre-Filter - 4JJ3 - With In Cab Alarm - 2020 On

MUX Pre-Filter - 4JJ3 - With In Cab Alarm - 2020 On

$484.00 AUD
$484.00 AUD
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Normally Ships in 0-2 Business Days

MU-X Pre-Filter Kit – 4JJ3 (2021-On) with In-Cab Alarm

Direction Plus PreLine-Plus Pre-Filter 4JJ3-TCX Specific 100% Water Separation Free Express AU Shipping

Ultimate fuel protection for Isuzu MU-X 4JJ3 engines.

Protect your Isuzu MU-X 4JJ3-TCX (2021-on) from dirty diesel and water contamination with the PreLine-Plus PL645DPK Pre-Filter Kit. Designed for harsh Australian fuel conditions, this system stops injector-killing contaminants before they ever reach your factory fuel system.

✅ Vehicle Compatibility
  • Isuzu MU-X – 4JJ3-TCX 3.0L (2021-on)
Vehicle-specific kit with in-cab wiring and mounting hardware included. If unsure, send us your VIN or rego and we’ll confirm before dispatch.
🔥 Built to defend your engine
  • 100% water separation — tested on 300µm droplets
  • 98% particle filtration — removes contaminants down to 30 microns
  • In-cab water alarm — visual & audible warning, no guessing
  • Spin-on filter design — quick servicing, no mess
  • Designed for remote travel, towing and poor-quality fuel
🛡️ Why you actually need one
  • Stops water before it damages injectors and pumps
  • Helps avoid $10,000+ injector repair bills
  • Reduces corrosion, rust and fuel-system wear
  • Improves long-term reliability and drivability
  • Peace of mind wherever you fill up
💳 Payment & 🚚 Shipping
  • Afterpay • Humm • Klarna • Zip available
  • Free Express Shipping Australia-Wide
  • Fast dispatch from our Australian warehouse

🚀 Don’t let bad diesel kill your MU-X.

The PreLine-Plus PL645DPK is the no-brainer upgrade for any 4JJ3-powered MU-X.

👉 Add to cart now and protect your engine before dirty fuel wrecks your injectors.

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