WABCO EBS Air Brake Relay Valve Premium Trailer Brake Spare Part
Original WABCO EBS Air Brake Relay Valve OE 9710020400 Professional Size Drawing，Clear Height & Width Parameter，Standard OEM Dimension，Fit For Heavy Duty Semi Trailer Truck EBS Brake System，Direct Replacement Auto Brake Spare Part
Product No：qm-parts-abs-02
Product series：Brake Valves Product List Trailer parts
Product launch：2026-05-18
Product popularity：41
The WABCO EBS Relay Valve 9710020400 is a core brake system component.
WABCO EBS Relay Valve 9710020400 specially designed for heavy‑duty commercial trucks and semi‑trailers.
This original WABCO part adopts advanced electronic braking system technology.
It greatly improves the overall driving safety of heavy transport vehicles.
This product is a high‑quality item strongly recommended by General Manager Li of Liangshan Annate Trading Co., Ltd. in Jining.
It has gained wide praise in the global truck and trailer maintenance industry.
The valve solves common braking delay and air leakage problems of old parts.
It is a reliable upgrade part for all kinds of heavy‑duty vehicle fleets.
Superior Functional Performance of WABCO EBS Relay Valve
The WABCO EBS Relay Valve 9710020400 owns stable and sensitive braking performance.
It can quickly and accurately transmit air pressure for vehicle braking operation.
The internal airflow structure is optimized for fast and smooth pressure delivery.
It realizes synchronous braking between truck heads and semi‑trailer bodies.
This part supports matching with standard EBS and ABS vehicle brake systems.
It works stably under heavy load, high speed and complex road conditions.
The built‑in emergency protection function ensures safe driving in sudden situations.
It effectively avoids trailer sideslip, rollover and other dangerous accidents.
It shortens brake response time and improves the accuracy of brake control.
This core advantage makes it popular among global heavy‑duty vehicle users.
Durable OEM Quality and Wide Application of 9710020400 Brake Valve
The 9710020400 WABCO brake valve is made of high‑strength aviation alloy material.
Precision CNC processing ensures tight interface and excellent sealing effect.
The whole valve body resists high temperature, corrosion and long‑term wear.
Every finished product passes strict factory inspection and performance testing.
It fully complies with original OEM size and technical parameter standards.
Users can directly replace old damaged valves without any modification.
Complete supporting accessories are provided for quick and easy installation.
It fits most mainstream heavy‑duty trucks and semi‑trailer models worldwide.
This cost‑effective spare part suits commercial vehicle maintenance and renewal.
It provides long service life and stable working performance for vehicle brakes.
