ZCEC OEM Engine Parts QSB4.5 ISB4.5 PRESSURE RELIEF VALVE 0281006357

Keywords: 0281006357, Pressure Relief Valve, Common Rail Pressure Relief Valve, QSB4.5 Relief Valve, ISB4.5 Engine Parts, Excavator Fuel System Spare Parts, Construction Machinery Replacement Accessories

Product Overview

Pressure relief valve 0281006357 is a vital common‑rail fuel system component specially designed for cumm-ins QSB4.5 and ISB4.5 diesel engines. It limits the maximum fuel pressure inside the common rail pipe and releases excess pressure to protect fuel rail and related fuel components. It effectively solves common engine issues such as rail pressure abnormality, engine power drop, starting difficulty and fault code alarm caused by stuck, leaking or damaged pressure relief valve. This aftermarket replacement spare part is ideal for fuel system maintenance, repair and complete engine overhaul for construction machinery.

Detailed Specifications

Key Features & Advantages

• Exact OEM‑Matching Installation Precision‑manufactured thread size, overall structure and sealing surface, perfectly matches original common rail assembly, direct installation with no extra modification required.
• Accurate Pressure Opening Response High‑precision internal spring and valve core assembly, triggers pressure relief at standard set‑pressure, effectively stabilizes common rail working pressure.
• Excellent Pressure‑Resistant & Anti‑Leakage Performance High‑strength alloy housing and reliable sealing structure, maintains stable performance under long‑time high‑pressure fuel circulation working conditions.
• Strict Multi‑Step Factory Quality Inspection Every pressure relief valve undergoes pressure testing, dimension measurement and sealing inspection before delivery to filter defective goods.
• Cost‑Effective Maintenance Solution Timely replacement avoids secondary damage to common rail pipe, injectors and fuel pump caused by abnormal fuel pressure, reduces overall repair cost.

Application Scope

Compatible Equipment List:

• cumm-ins QSB4.5 / ISB4.5 Diesel Engine
• Excavators and construction machinery equipment requiring spare‑part No.0281006357 for common‑rail fuel system

Our Company Advantage

We are a professional supplier of comprehensive excavator and heavy‑duty machinery spare parts. We provide pressure relief valves, fuel injectors, fuel pumps, thermostats, water pumps, water hoses, full gasket kits, cylinder head spare parts, piston kits, sensors, solenoid valves, hydraulic spare parts and engine overhaul kits for Isuzu, Komatsu, cumm-ins, Cater-pillar, Kobelco, Hyundai, Hitachi, Doosan, Sany and other well‑known machinery brands.

• Large ready‑to‑ship inventory for engine fuel system spare parts
• Factory‑direct competitive wholesale price
• Mixed‑order & one‑stop spare parts procurement supported
• Professional part‑number matching technical support service

Packaging & Shipping

• Inner sealed plastic bag + foam shock‑absorbing protection, prevent dust, moisture and scratches
• Outer reinforced export carton to avoid damage during long‑distance sea & land transport
• Multiple shipping options: sea freight, air freight, international express for small trial orders
• Export documents including Commercial Invoice, Packing List are available

Contact Us

If you need more cumm-ins QSB4.5 / ISB4.5 series engine spare parts, overhaul accessories or other heavy machinery replacement spare parts, please send your parts list over to us. We will offer you our best quotation promptly.