MF520587 Mitsubishi O-RING,VALVE GEAR TRAIN, Price: 6.40$, Weight: 0.01kg


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

Mitsubishi

MF520587

O-RING,VALVE GEAR TRAIN

100

0.01

15-20

6.40$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Mitsubishi
MF520587 
O-RING,VALVE GEAR TRAIN
17
0.012
2-3
7.53$
 

Compatibility

FrameMarketModelModel Year FromModel Year ToModificationDiagram
PA-PF#JapanPD8W03.199412.20062800D/4WD/NORMAL ROOF<95M-> View

Engine Valve Train Seal O‑Ring ?

This small O‑ring is a critical seal used in the valve gear train area to stop engine oil from escaping between tight metal joints. Even though it looks simple, it helps keep oil pressure stable and keeps the top end of the engine clean and properly lubricated.

Why this part is needed ✅

Valve train components rely on a controlled oil flow. This O‑ring creates a flexible barrier that seals passages and covers where oil travels around the valvetrain. It prevents leaks caused by heat, vibration, and normal engine movement.

How it works ⚙️

When installed, the O‑ring is lightly compressed in its groove. That compression lets it fill tiny gaps in the mating surfaces, sealing oil galleries while still allowing parts to expand and contract with temperature changes.

What happens if it’s broken ?

A flattened, cracked, or hardened O‑ring can cause oil seepage, messy buildup, and reduced lubrication to valve train parts. Over time this may lead to ticking noises, faster wear, and possible overheating of top-end components.

Compatibility ?

  • 6 Wagon