• Direction Plus 4JJ3 Pre-Filter and Catch Can with in-cab water alarm for 2020 vehicles, part of PreLine Dual or Combo Filter Kits.
  • Direction Plus 4JJ3 Pre-Filter and Catch Can with in-cab water alarm for 2020+ PreLine dual or combo filter kits.
  • Direction Plus 4JJ3 pre-filter and catch can with in-cab water alarm, mounted in a vehicle, part of the PreLine dual filter kit.
  • Direction Plus 4JJ3 Pre-Filter and Catch Can with in-cab water alarm installed in a 2020 Isuzu D-Max, part of PreLine dual filter kits.
  • Direction Plus 4JJ3 Pre-Filter and Catch Can with Water Alarm for 2020 and newer PreLine Dual or Combo Filter Kits, in vehicle image
  • Direction Plus 4JJ3 Pre-Filter and Catch Can with in-cab water alarm for 2020+ vehicles, part of PreLine dual or combo filter kits.
  • Direction Plus 4JJ3 Pre-Filter and Catch Can with in-cab water alarm for 2020 and later vehicles, part of PreLine Dual or Combo Filter Kits.
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Direction Plus

4JJ3 Pre-Filter and Catch Can - With In Cab Water Alarm - 2020 On

4JJ3 Pre-Filter and Catch Can - With In Cab Water Alarm - 2020 On

$917.00 NZD
$1,085.00 NZD $917.00 NZD
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4JJ3 PreLine-Plus + ProVent Dual Kit – PLPV645DPK

Direction Plus PreLine-Plus + ProVent 4JJ3-TCX Specific 100% Water • 98% Oil Separation Free Express AU Shipping

Complete fuel & crankcase protection for Isuzu 4JJ3 engines.

If you’re running a 4JJ3-TCX, clean fuel and controlled crankcase ventilation aren’t optional — they’re critical. The PreLine-Plus + ProVent Dual Kit (PLPV645DPK) combines first-stage fuel filtration with high-efficiency oil vapour separation to protect injectors, pumps, turbo and intake components.

🛠️ Vehicle Compatibility
  • Isuzu D-MAX – 4JJ3-TCX (2020-on)
  • Isuzu MU-X – 4JJ3-TCX (2020-on)
  • Mazda BT-50 – 4JJ3-TCX (2020-on)
Vehicle-specific kit engineered for clean bolt-on installation. If unsure, send us your VIN or rego and we’ll confirm before dispatch.
💧 PreLine-Plus Pre-Filter – Fuel System Protection
  • 100% water separation (tested on 300µm droplets)
  • 98% particle filtration at 30 microns
  • In-cab multi-stage water alarm — visual & audible warning
  • Stops rust, corrosion & injector damage before it starts
  • Spin-on filter design for quick, clean servicing

Designed for harsh Australian conditions — remote fuel, questionable servos and heavy touring use.

🛢️ ProVent Ultimate Catch Can – Intake Protection
  • Up to 98% oil separation efficiency
  • Keeps oil and soot out of intake, turbo and intercooler
  • Reduces EGR-related carbon buildup
  • Helps stabilise crankcase pressure and reduce smoke
  • Optional return-to-sump configuration

Cleaner intake = better performance, better longevity, fewer headaches.

🔥 Why this dual kit matters
  • Protects against bad fuel and crankcase contamination
  • Helps avoid $10,000+ injector and fuel system failures
  • Maintains performance under towing, touring and off-road loads
  • Fit once, service periodically, and drive with confidence
💳 Payment & 🚚 Shipping
  • Afterpay • Humm • Klarna • Zip available
  • Free Express Shipping Australia-Wide
  • Fast dispatch from our Australian warehouse

🚨 Bad fuel and crankcase sludge kill diesels.

Protect your investment with the PLPV645DPK Dual Kit and keep your 4JJ3 running at its best.

👉 Add to cart now and give your engine the protection it deserves.

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