Fitment: selected models. Part No. MB618321. Please check original part number and installation position before purchase. Product: Load sensing valve / brake proportioning valve / brake distribution valve, OEM style, metal material, pressure-resistant and corrosion-resistant. Features: Replace faulty valve causing brake pull, abnormal rear brake distribution, insufficient braking force or fluid leak. Stable regulation, precise mounting holes. Installation: Professional installation recommended. Brake system bleeding and brake test required after replacement. Package: 1 x Load Sensing Valve. Note: There may be differences depending on year and configuration. Please check pictures and part number carefully.

Product Overview:

 
 
Specification Details
Part Number MB618321
Reference OE Numbers MB618321, MB618320
Item Number 100004831
Fitment For  
Type Load Sensing Valve / Brake Proportioning Valve
Material ABS
Color Black

Features:
✔ Direct replacement for easy installation
✔ Helps restore proper brake force distribution
✔ Designed for load-sensing brake system applications
✔ Stable and reliable brake system performance
✔ OE reference numbers: MB618321, MB618320

Package Includes:
1 × Load Sensing Valve / Brake Proportioning Valve

Note:
Please verify your original part number and vehicle model/year before purchasing. Brake system components should be installed by a qualified technician.

On Aug 31, 2026 at 00:57:22 PDT, seller added the following information:

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