ME990421 Mitsubishi RING SET PISTON, Price: 209.66$, Weight: 0.107kg


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

Mitsubishi

ME990421

RING SET PISTON

0

0.107

15-20

209.66$

Not Available

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Mitsubishi
ME990421 
RING SET PISTON
20
0.123
2-3
172.89$
 
FUSO
ME990421 
RING SET,PISTON
0
0.123
-
162.84$
Not Available
FUSO
ME990421 
RING SET,PISTON
0
0.123
-
173.25$
Not Available

Essential Engine Component for Compression & Efficiency

Why Is This Engine Ring Needed

This precision-engineered gasket plays a vital role inside your motor block. It fits snugly around the moving pistons, forming a tight barrier between the combustion chamber and the crankcase. Its main job is to trap air and fuel mixture in the combustion chamber, ensuring every drop of fuel burns efficiently. This means more power, less oil usage, and better mileage for your vehicle.

How Does It Function

The part sits on the piston as it moves up and down. During the power stroke, it seals the gap between the piston and cylinder wall, holding in the explosion of fuel while scraping excess oil off the cylinder walls. This dual action maintains engine power and minimizes unwanted oil entering the combustion area, which keeps emissions low and engine clean.

What If The Ring Fails

A worn or damaged seal can cause reduced compression, leading to rough idling, blue smoke from the exhaust, high oil consumption, and overall power loss. If ignored, this can result in further engine damage, expensive repairs, and even total engine failure. Timely replacement is key for peak performance and long engine life.