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Universal Fuel Pre-Filter Kits

It’s easy to think that fuel contamination is something that happens “in the bush” but this is simply not true!

Did you know that 72% of all diesel fuel injection system failures are caused by water and fuel lubricity problems?



Direction Plus™ Diesel Fuel Manager Pre-Filter Kit protects late model common rail diesel engines against costly injector failure. Installing a Direction Plus™ Pre-Filter kit between the fuel tank and the O.E.M fuel filter will remove the majority of water and particle contamination.This leaves the O.E.M fuel filter to do the final and finer filtration and ensures you are maximising the protection of your diesel fuel system.

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Make Model Engine From To Part No. Notes Replacement Element
Generic With bracket Various FM801DPK 10mm hose and fittings. 31863
Generic With bracket Various FM802DPK 12mm hose and fittings. 31863

Fuel Manager pre-filter unit in engine bay

Benefits of a fuel manager Pre-Filter Kit:

    • Reduce wear and tear and avoid repair costs that can exceed $10,000
    • 95% water separation and superior particle removal
    • Ability to separate emulsified water from diesel
    • Clear water drainage bowl to easily identify removed water
    • Keeps critical engine components clean
    • No filter bypass – contaminated fuel will not be sent to the fuel system even when the filter is blocked


Direction-Plus™ PreLine-Plus is an innovative pre-filter system for diesel fuel systems which ensures a high degree of water separation and particle pre-separation. It is designed specifically to cope with extreme weather conditions and poor fuel quality which makes it the perfect choice for drivers in Australia.


The PreLine-Plus kits include an intuitive multi-stage water alarm that separates it from other kits on the market. With a water separation efficiency of 100% (based on 300um droplet size) and a long service life, meeting the specifications set by leading manufactures of diesel fuel injection systems.

PreLine-Plus system provides protection for all modern diesel high-pressure injection systems, reliably protecting the fuel system from corrosion, abrasion and the frequency of repairs reduced.

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Make Model Engine Part No. Notes Replacement Element
Universal With Bracket Various PL801DPK Universal Kit 10mm With Bracket PLE150DP
Universal With Bracket Various PL802DPK Universal Kit 12mm With Bracket PLE150DP

PreLine-Plus installed

Benefits of a PreLine-Plus Pre-Filter Kit:

  • Intuitive multi-stage water alarm system (visual and audible)
  • 100% water separation efficiency (based on 300um droplet size)
  • 98% particle separation (based on 30 micron particles)
  • Reliable protection from corrosion and abrasion
  • No need to visually check for water – alarm included
  • Simple spin-on style filter

Preline-plus multi stage alarm



1st stage:

1 hour duration, 10 min beep interval, slow led indicator pulse. Flashes and beeps 3 times.

2nd stage:

30 min duration, 30 sec beep interval, medium led indicator pulse. Flashes and beeps 6 times.

3rd stage:

30 min duration, 30 sec beep interval, fast led indicator pulse. Flashes and beeps 9 times.

4th stage:

30 min duration, 30 sec beep interval, rapid led indicator pulse. Flashes and beeps 15 times.

5th stage:

Constant, 5 sec beep interval, harsh led indicator pulse. Flashes and beeps continuously until water is removed and the water sensor reset.

Preline-Plus Multi-Stage Alarm



Direction-Plus™ ProVent systems are specifically designed to separate and redirect oil and air from blow-by gas produced from within the crankcase, protecting your diesel engine by substantially reducing the amount of oil entering the engine from blow-by gas in the crankcase ventilation system which also provides the option of returning the oil back to the sump.

By not fitting a Direction-Plus™ ProVent system it is likely that your engine will experience a progressive reduction in performance.

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Make Engine Part No. includes
Universal Various PV200DPK Drain and adapters

Benefits of Fitting a ProVent ULTIMATE CATCH CAN Kit:

  • Prevents oil and soot contamination entering the clean air intake
  • Excellent protection for turbocharger
  • Minimises oil consumption*
  • Prevents oil buildup in intercoolers
  • Regulates crankcase pressure
  • Keeps critical engine components clean
  • Reduces exhaust smoke and odours
  • 98% oil separation efficiency
  • Saves you money!

*Only in installations where the oil is returned to the sump

Closeup of ProVent oil separator catch can in engine bay
ProVent oil separator catch can in engine bay

Find a Stockist in Your Area

Available from:

Burson Auto Parts Autobarn Opposite Lock TJM Autopro