Cap Filler.
Fuel Tank Cap.
- Seals off your fuel tank and prevents contaminants in your gas supply
- Plays an important role in the EVAP system
- Easy to replace on your own
The Fuel Tank Cap on your INFINITI is frequently overlooked. You twist off the Fuel Tank Cap, fill your vehicle's fuel tank, and then tighten it back into place with every trip to the pump, but that's probably the only time you think to acknowledge your fuel cap.
Your Fuel Tank Cap has a big part in the performance of your INFINITI as a whole. Obviously, it seals off your fuel tank and keeps outside debris, moisture, and dirt particles from getting into your gas supply. But did you know? The Fuel Tank Cap is also a component of the EVAP, or evaporative emissions system, within your INFINITI.
When you're driving, the fuel in your vehicle heats up and generates harmful fumes. Fortunately, with a properly working Fuel Tank Cap, the EVAP system can safely contain these exhaust gases to prevent them from seeping out and contaminating the surrounding atmosphere.
If you aren't able to click your Fuel Tank Cap onto your fuel tank, or if it frequently loosens even after you've tightened it completely, you're likely dealing with a damaged or worn out gas cap. Since this component is also part of your EVAP system, your engine indicator light may illuminate if your cap is loose or broken. Additional signals of a damaged or worn Fuel Tank Cap may include strong gasoline odors while you drive and decreased fuel efficiency (with no change in your driving habits).
There are several consequences of a Fuel Tank Cap that's no longer functioning correctly. A Fuel Tank Cap with a busted seal may release harmful emissions into the environment, but it may also lead to other significant problems inside your INFINITI and its engine. A broken Fuel Tank Cap can diminish engine performance, tank your gas mileage (no pun intended!), and create messy fuel leaks. It's wise to replace your Fuel Tank Cap immediately once you notice that it isn't sealing or tightening properly.
Replacing a damaged Fuel Tank Cap couldn't be easier, and you don't need special tools to do it. You just need to shop directly with INFINITI Genuine Parts to get a perfect fit for your model and trim.
This Fuel Tank Cap (reference number 172515DC0A) will fit your INFINITI QX30. Check out the What This Fits link for further info.
CAP ASSY-FILLER
Fits QX30