Featured Categories
Weekly Special Products
Injector Lower Holder 41mm Delphi E5
New Products
Bosch Piezo Injector Return Connector (D)
Repair Kit Sets
Vacuum Pump Repair Kit
Injector Parts
Ulusan Diesel offers high-precision injector parts for common rail and diesel systems. All sub-groups—from return plastics and fittings to inlet fittings, plugs and holders, as well as injector and pump parts—are manufactured with a focus on durability, sealing performance, and long service life.
Adjustment Shim 3.50 mm x 7.50 mm
O-Ring Varieties
DIESELBLOG
What Is an O-Ring?
What Is a Check Valve?
What Are Throttle Controls Used For?
What Are Adjustment Shims?
What Are the Types of Injector Plugs and Their Uses?
Ulusan Diesel | Global Diesel Spare Parts Supplier
Ulusan Diesel is a global supplier of diesel injector and fuel system components, operating with high quality standards and prioritizing technical compatibility and product continuity.
The injector plugs, shim washers, O-ring solutions, and connection components in its product portfolio are selected based on compliance with OEM tolerances, material durability, and long service life criteria.
With advanced quality control processes, a strong inventory structure, and an export-oriented operational infrastructure, Ulusan Diesel ensures uninterrupted supply to a wide customer base—from workshops and distributors to service networks and industrial users.
Ulusan Diesel is a strong business partner for companies seeking reliable, sustainable, and technically accurate diesel spare parts solutions in global markets.
