Exhaust valve D30-1003103B Yuchai

1
Product Name Exhaust valve
Product Number  D30-1003103B
MOQ 1
Warranty period 3 Months
Package Carton
Application Yuchai
Original China
Shipping and Delivery

We offer spare parts for most Chinese truck brands and provide comprehensive, turnkey procurement services. For more information on specific vehicle models or parts, please contact us.Transactions are processed through the receiving bank (VTB).

Categories: ,

Product Description

Product Introduction

This precision-engineered exhaust valve is a critical component of the engine’s valve train. It is designed to withstand extreme thermal and mechanical stresses, opening and closing to expel exhaust gases while maintaining a tight seal to preserve combustion pressure.

Structure & Material

  • Material: High-alloy heat-resistant steel (e.g., 21-4N or similar), with a stellite (cobalt-chromium) hard-facing on the valve seat contact area for exceptional wear and heat resistance.

  • Design: A one-piece forged valve with a precision-ground stem and a contoured valve head. The stem is polished to reduce friction, while the head is designed for optimal gas flow and sealing.

Performance

  • Thermal Stability: The high-alloy steel construction withstands the extreme temperatures of exhaust gases, preventing warping or failure.

  • Wear Resistance: The stellite hard-facing on the valve seat contact area ensures long-term sealing performance, even under heavy-duty operation.

Core Function

  1. Exhaust Gas Control: Opens to expel exhaust gases from the combustion chamber after the power stroke.

  2. Sealing: Closes tightly to maintain combustion pressure and prevent exhaust gas leakage.

  3. Thermal Management: Dissipates heat from the combustion chamber to the cylinder head.

Business Description

We offer spare parts for all Chinese brand trucks, construction machinery. At the same time, OEM service and whole process spare parts export service increasingly become a characteristic of our company.
Transactions can be processed through various payment methods. If you need more information about a specific model or part, please contact us.

INFORMATION ABOUT US

If you need to make an inquiry, please contact us.

    Related Products