Engine Stop Oil Cylinder

Product Description

The WG9100570014 Stop Oil Cylinder (also known as Engine Stop Cylinder) is a precision control component used in HOWO heavy trucks. Its primary function is to cut off fuel supply to the engine when the vehicle is to be stopped, ensuring reliable engine shutdown and safety control.

Key Features

Fuel Cut-Off Control: Enables immediate and controlled interruption of fuel supply to stop engine operation.

High Durability: Built with durable metal materials and corrosion-resistant coating, designed for heavy-duty vehicle environments.

OEM Compatibility: Fully designed to match HOWO series engines (including WD615) and their fuel / oil systems.

Reliable Operation: Tight sealing and precise actuation, able to withstand vibrations, heat, and heavy service conditions.

Compact Design: Easy to integrate into engine compartments or fuel lines with minimal footprint.

Technical Specifications

Function & System Integration

System Classification: Engine Control / Fuel Supply System

Sub-System: Fuel Shut-off / Engine Stop Device

Function: Used to interrupt or block fuel flow to the engine, enabling controlled engine shutdown during stoppage or emergency.

Installation & Maintenance Tips

Match the interface (thread or flange) with the vehicle’s fuel line.

Use high-quality sealing rings/ gaskets to avoid leaks.

Ensure correct orientation during installation — avoid reverse or skewed mounting.

Protect the surface from corrosion—consider additional coating in harsh environments.

Regularly inspect the actuator, seals, connection points for wear or looseness.

Ensure operating pressures and temperatures do not exceed design limits.