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Fix Steering Heavy & Oil Leak Trouble | DZ98259470733 WP7H Steering Booster Pump Replacement Part
Product Description
This DZ91189565025 boost pressure regulator valve is core pneumatic component for truck air brake system, fully cast from high-density brass raw material. Built-in precision pressure regulating inner core to automatically stabilize pipeline air pressure within rated range, all thread ports follow OEM standard specification. Each finished valve undergoes air tightness & pressure endurance test before delivery to avoid air leakage under long-time vehicle operation.
Technical specifications
Feature
Specification
Benefit
Pump Housing
High-density cast iron with black anti-rust paint
High pressure resistant, not easy to crack or rust
Working Parameter
13MPa, clockwise dual rotation WP7H spec
Perfect power match for original steering assembly
Inner Core
Precision processed rotor set
Low internal leakage and stable hydraulic output
Mount Structure
OEM preformed fixed lugs and oil ports
Direct installation without secondary machining
Key Features | Core Advantages
High-density cast iron pump body improves compression resistance and effectively avoids casing cracking under high hydraulic pressure.
Standard 13MPa rated pressure & clockwise dual rotation design strictly follows original vehicle power matching requirement.
Precision internal rotor assembly reduces internal leakage to keep stable hydraulic output and light steering operation.
Pre-machined mounting ear and standard oil ports enable direct bolt and pipeline installation without extra modification.
Strict factory pressure testing eliminates oil leakage fault to extend service life in long haul complicated road conditions.