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.
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