1218028010 Toyota CAP SUB-ASSY, OIL FILLER, Price: 9.44$, Weight: 0.04kg


Make Number Name Availability Weight, kg Ship in, Days Price

Toyota

1218028010

CAP SUB-ASSY, OIL FILLER

34

0.04

2-3

9.44$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
1218028010 
CAP SUB-ASSY, OIL FILLER
24
0.046
 Dispatch 24h
11.33$
 

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
121800H020 
CAP SUB-ASSY, OIL FILLER
38
0.043
2-3
6.81$
 

Engine Oil Filler Cap Sub‑Assembly for Toyota

Why you need it ️

This cap seals the opening on the valve cover, keeping engine oil inside and dirt, water, and dust out. It helps maintain correct crankcase conditions, reduces oil misting, and prevents messy leaks on the top of the engine. A tight seal protects timing gear and valvetrain from contamination, extending service life and keeping your Toyota running clean and quiet.

How it works

The cap uses bayonet lugs and a heat‑resistant rubber gasket to lock into the filler neck. When hand‑tightened, the gasket compresses, creating a reliable seal against the cover. The closed seal limits vapor escape and supports the PCV system’s flow balance. Durable polymer or alloy construction resists heat, oil, and chemicals for long service.

What happens if it’s broken

Expect oil splatter on the cover, burning‑oil smell, dirt entry, and accelerated wear. A loose or cracked cap can cause rough idle from unmetered air, higher oil consumption, and a messy engine bay. Ignoring it risks sludge and gasket damage.

Fitment and care ️

Direct fit for select Toyota engines. Install by hand; no tools. Lightly oil the gasket, seat, then twist to lock. Inspect for hard, flattened, or cracked seals and replace at first signs of leakage.