Goss Fill Safe Cap — Anti-Misfuelling Diesel Fuel Cap

The Goss Fill Safe Cap prevents you from accidentally filling a diesel vehicle with petrol. Petrol is the enemy of a diesel engine — an accidental misfuel at the pump can cause thousands of dollars worth of damage. Rather than relying on a sticker on the fuel cap, the Fill Safe Cap physically prevents a petrol nozzle from being inserted into the filler neck.

  • Foolproof design: only allows diesel nozzles to fit — a petrol nozzle simply cannot be inserted
  • Suits a wide range of diesel vehicles, including trucks, SUVs and cars
  • Easy to install — no special tools or equipment required (includes a specific tightening tool)
  • Comes with a high-visibility Diesel Only screw cap
  • An extremely affordable insurance policy against costly petrol damage to your vehicle

An extremely affordable insurance policy against costly petrol damage to your vehicle. For correct fitment, ensure the vehicle is listed in the compatibility list and read any notes associated with the product. If there are no vehicle details listed, please send us a message.

Note: Not suitable for "Fast Flow" nozzles.

SKU ADCAP
Model # ADCAP
Barcode # 9341137056906
Brand Goss
Type Fuel Tank Cap
Manufacturer Part Number ADCAP
Contains Liquid No
Features 100% Leak tested
Not suitable for "Fast Flow" nozzles.
Select your vehicle using the Part Finder to check fitment for your specific vehicle.
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Packaging: Manufacturers periodically update their packaging and labelling. You may receive the current or a previous design — the product, formulation and part number are unchanged.

Fitment (vehicle-specific products): Vehicle fitment is based on manufacturer and supplier catalogue data and is kept as accurate as possible, but vehicle catalogues are not perfect. Some models had more than one part fitted depending on build date, engine, or component size/variant, and parts on older vehicles may have been replaced with non-original or different-style components.

Before you buy, compare the product images with the part currently fitted to your vehicle — check shape, size, connectors and mounting points. If the part on your vehicle looks different, please contact us before purchasing. It is the buyer's responsibility to confirm the part suits their vehicle before purchasing.

Not sure? Message us with your vehicle's registration number and state (preferred), or full VIN/build details, and we'll do our best to confirm fitment before you buy.

Parts returned because they do not suit the vehicle, where the listing matches the manufacturer's catalogue, are treated as a change of mind and must be unused, uninstalled and in original packaging. Nothing in this notice affects your rights under the Australian Consumer Law.

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