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Brake Master Cylinder Repair Kit for Isuzu NPR, NQR, 4HK1, 5.2L, 4HE1, 4.8L | OEM Replacement


Premium Brake Master Cylinder Repair Kit for Isuzu NPR and NQR trucks with 4HK1 5.2L and 4HE1 4.8L diesel engines. OEM-quality repair kit designed to restore brake master cylinder performance, prevent fluid leaks, and ensure reliable braking efficiency.

$44.64

Vin / Engine Serial Number

Please provide VIN / ESN for identification of correct parts

 Brake Master Cylinder Repair Kit for Isuzu NPR NQR Trucks

Restore the performance of your braking system with this Brake Master Cylinder Repair Kit for Isuzu NPR and NQR trucks. Designed for 4HK1 5.2L and 4HE1 4.8L diesel engines, this OEM-quality master cylinder repair kit helps rebuild and restore the brake master cylinder to optimal working condition.

The Isuzu brake master cylinder repair kit includes precision components that ensure proper hydraulic pressure, prevent brake fluid leaks, and maintain smooth braking performance. It is an ideal solution for brake system maintenance and master cylinder overhaul.


 Key Features & Benefits

  • OEM-Quality Components—Manufactured to meet Isuzu specifications.

  • Complete Repair Solution – Designed to rebuild and restore master cylinder functionality.

  • Leak Prevention – High-quality seals prevent brake fluid leakage.

  • Improves Brake Performance – Maintains proper hydraulic pressure for safe braking.

  • Durable Materials—Built to withstand pressure and brake fluid exposure.

  • Direct Fit Replacement – Designed for easy installation and compatibility.


 Engine Compatibility

Compatible with the following Isuzu diesel engines:

  • 4HK1 5.2L Diesel Engine

  • 4HE1 4.8L Diesel Engine


 Vehicle Applications

Fits the following Isuzu trucks:

  • Isuzu NPR

  • Isuzu NQR

Frequently Asked Questions

What does a brake master cylinder repair kit do?

The repair kit replaces worn seals and internal components inside the brake master cylinder, restoring proper hydraulic pressure and braking performance.

Which engines are compatible with this repair kit?

This kit is compatible with Isuzu 4HK1 5.2L and 4HE1 4.8L diesel engines.

Which vehicles does this repair kit fit?

This brake master cylinder repair kit fits Isuzu NPR and NQR trucks equipped with compatible engines.

When should I replace the master cylinder repair kit?

You should replace the kit if you notice brake fluid leaks, reduced brake pressure, or a soft brake pedal.

Is this an OEM quality replacement?

Yes, this repair kit is manufactured to OEM standards to ensure durability, reliability, and proper fitment.