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Diesel secondary fuel filter kits: Fuel Manager, PreLine-Plus and Ryco pre-filters that catch water and contaminants before they reach your injectors. Commonly stocked for 2.8L, 3.0L, 4.2L and 2L engines. Supplied and fitted at our Oxley (Brisbane) and Warana (Sunshine Coast) workshops, or shipped Australia-wide.
Secondary filter kits by vehicle
Protect your injectors with a secondary fuel filter
Australian diesel can carry water and fine contaminants your factory filter misses, and modern common-rail injectors are unforgiving. A secondary (pre-)filter catches water and particles before they reach your pump and injectors, where repairs get expensive.
Kits by vehicle
Vehicle-specific kits with all the brackets and fittings included.
Fuel Manager, PreLine-Plus & Ryco
We stock the full Direction Plus pre-filter range: Fuel Manager for streamlined filtration, PreLine-Plus with primer and water-sensor on many kits, and Ryco pre-filters. Pair one with an oil catch can for complete diesel protection.
Secondary fuel filter FAQs
Why fit a secondary fuel filter?
It removes water and fine contaminants that slip past the factory filter, protecting your high-pressure pump and injectors, the most expensive parts of a common-rail fuel system.
Fuel Manager vs PreLine-Plus: what’s the difference?
Both filter ahead of your factory filter. PreLine-Plus kits typically add a primer pump and water-in-fuel sensor; Fuel Manager is the streamlined, filtration-focused option.
How often do I change the element?
Most owners change the pre-filter element with or between regular services, or sooner if the water-in-fuel warning triggers. We can advise an interval for your driving.
