AUFocus Fuel filter

AUFocus Inline Fuel Filter – Essential Maintenance for Diesel Heaters

Keep your AUFocus diesel heater running cleanly with this purpose-made inline fuel filter. Diesel fuel quality varies significantly across New Zealand, and a clean fuel filter helps prevent particles and water contamination from reaching the heater's fuel pump and glow plug – one of the most common causes of heater faults. This is a reusable, alloy-bodied filter that dismantles for cleaning, rather than a single-use disposable cartridge, so regular inspection and cleaning is the key maintenance step.

Key Features

• Prevents contamination – filters particles and water from reaching the heater's fuel system
• Reusable alloy construction – top and bottom sections dismantle easily for cleaning
• Sized for 2mm internal diameter fuel line – the standard AUFocus fuel line size
• Purpose-made for AUFocus – correct specification for AUFocus 2kW and 5kW heaters
• Extends heater lifespan – regular cleaning helps prevent fuel system faults

Brand Quality This filter is manufactured to AUFocus's own specification to suit the AUFocus fuel line and pump, giving your heater the clean fuel supply it needs to run reliably season after season.

Brand: AU Focus

Part Number: AF-Fuel-Filter

Type: Inline, reusable fuel filter

Material: Alloy (top and bottom sections)

Fuel Line Compatibility: 2mm internal diameter fuel line

Maintenance: Dismantles for cleaning and reuse

Weight: Approx. 0.3kg

Compatible Heaters: AUFocus 2kW and 5kW diesel heaters

Does the price include GST?
Yes, all prices shown on the site include GST.

Do you ship NZ-wide?
Yes, we ship throughout New Zealand.

How do I know this will fit my setup?
This filter is made to AUFocus's own specification for their 2kW and 5kW heater fuel lines (2mm internal diameter). Check the specifications above and contact us if you are unsure whether it matches your setup.

What's the warranty?
AUFocus backs this filter with their standard manufacturer's warranty against manufacturing defects. Contact us and we can confirm the exact warranty details for this item.

How often should the filter be cleaned or replaced?
This is a reusable filter that dismantles for cleaning – we recommend checking and cleaning it at the start of each heating season, or sooner if you notice reduced fuel flow or heater faults. Replace it if the alloy body is damaged or the filter no longer seals properly.

Why does my diesel heater need a fuel filter?
Diesel fuel quality varies across New Zealand, and even small amounts of grit or water in the fuel can clog the pump or foul the glow plug. A clean filter is cheap insurance against far more costly heater repairs.