MR527731 Mitsubishi PISTON,BRAKE BOOSTER HYDR, Price: 65.24$, Weight: 0.22kg


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

Mitsubishi

MR527731

PISTON,BRAKE BOOSTER HYDR

9

0.22

15-20

65.24$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Mitsubishi
MR527731 
PISTON,BRAKE BOOSTER HYDR
1
0.253
2-3
65.24$
 

Compatibility

MarketModel Year FromModel Year ToDiagram
General (MEXICO)12.200208.2006 View
MarketModel Year FromModel Year ToDiagram
General (KOREA)11.200808.2013 View
FrameMarketModelModel Year FromModel Year ToModificationDiagram
V60,70#Europe (EUROPE)V75W02.200012.20063500/LONG WAGON<01M-> View
FrameMarketModelModel Year FromModel Year ToModificationDiagram
V70#General (EXPORT)V76W02.200012.20062800D-TURBO/LONG WAGON<01M-> - GLS(NSS4),4FA/T RHD View
FrameMarketModelModel Year FromModel Year ToModificationDiagram
V60#General (EXPORT)V65W02.200012.20063500/SHORT WAGON<01M-> View

Hydraulic Brake Booster Piston

This precision piston is a core moving element inside the hydraulic brake booster. It is needed to transform hydraulic pressure into smooth, strong assistance for the brake master cylinder, so your pedal stays light while stopping power stays high .

How it works

When you press the brake pedal, fluid pressure enters the booster chamber and drives the piston forward. The piston seals and guides the pressure, multiplying force and keeping the hydraulic circuit stable. Correct piston surface finish and seal contact help prevent internal leakage and maintain consistent brake feel.

Signs the piston is failing

If the piston is worn, scored, or sticking, the booster may lose assistance or apply it unevenly. You can get a hard pedal, longer stopping distance, delayed release, or brakes that drag after braking. Internal bypass can also cause a sinking pedal and overheating brakes ⚠️.

What happens if you ignore it

Driving with a damaged booster piston may lead to sudden loss of assist, unpredictable braking, and accelerated wear of seals and pump components—risking unsafe stopping in emergencies.

Compatibility

  • Pajero
  • Montero
  • Pajero/Montero<Short>
  • Pajero/Montero<Long>
  • Pajero/Montero