233800R012 Toyota CAP ASSY, FUEL, Price: 60.88$, Weight: 0.591kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
233800R012 |
CAP ASSY, FUEL |
0 |
0.591 |
2-3 |
60.88$ |
| Not Available | ||||||
Fuel Tank Filler Cap Assembly β½
This fuel filler cap assembly is a small part with a big job: it seals the fuel tank at the filler neck to keep the system closed and safe. A tight seal is needed to stop fuel vapors from escaping, reduce fuel smell, and help the EVAP system maintain correct pressure for clean running and better efficiency.
How It Works β
The cap locks onto the filler neck and compresses a rubber gasket to create an airtight seal. Many designs also include a pressure/vacuum relief function to balance tank pressure as fuel temperature changes. When tightened correctly, it prevents dirt and water from entering the tank and keeps vapor losses under control.
What Happens If Itβs Broken β
A worn seal, cracked housing, or weak locking tabs can cause vapor leaks. This may trigger a check engine light, rough idle after refueling, higher fuel smell around the car, and failed emissions testing. In bad cases, moisture and debris can contaminate fuel, leading to poor starting and fuel system wear.
Compatible Models
- Avensis
- Corolla Verso