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

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
233800R011 
CAP ASSY, FUEL
0
0.68
-
49.68$
Not Available
Toyota
233800R010 
CAP ASSY, FUEL FILTER
0
0.68
-
42.34$
Not Available

Fuel Tank Filler Cap Assembly β›½

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 βœ…

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 It’s Broken ❌

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