Eliminate high-pressure fuel leaks and fix engine power dropouts with our Premium Heavy-Duty Common Rail Fuel Tube Assembly 20798896 (23164449). Engineered from a monoblock forged steel alloy with precision CNC-cut inverted cone ports for VOLVO EC210B, EC220D, and EC220E excavators, this manifold stabilizes fuel accumulator pressure and stops hydraulic line chatter. Factory-direct B2B wholesale pricing with rapid air express international delivery options. Contact our engineering support team today with your Engine Serial Number for bulk volume tier quotes!
Genuine VOLVO Common Rail Fuel Tube Assembly — High‑Pressure Fuel Accumulator Manifold Solution
The Genuine VOLVO Premium Heavy‑Duty Common Rail Fuel Tube Assembly (Part Numbers: 20798896 / VOE 20798896 / 23164449), also known as High‑Pressure Fuel Distribution Rail, is a critical fuel system component for VOLVO B‑series, C‑series, D‑series & E‑series diesel engines. Mounted on the cylinder head, it acts as a high‑pressure accumulator reservoir, receiving fuel from the high‑pressure injection pump (21147446), dampening pressure pulsations, and distributing stable fuel to injectors (20798114). Integrated with Fuel Rail Pressure Sensor (14505555) and safety pressure limiter valve, it provides real‑time pressure data to E‑ECU. Replacing faulty rails prevents dangerous fuel leaks, eliminates pressure instability, and ensures balanced fuel delivery across all cylinders.
Core Technical Advantages
Heavy‑Wall Forged Steel Monoblock Construction: High‑tensile fatigue‑resistant alloy steel withstands extreme continuous high pressure without swelling or bursting.
Hydrodynamically Smooth Internal Bore: Precision fluid‑honed surface minimizes flow resistance and eliminates pressure‑wave turbulence.
CNC‑Machined High‑Pressure Ports: Precision inverted cone seats and heavy‑gauge threads ensure leak‑free metal‑to‑metal sealing.
Anti‑Vibration Mounting Flanges: Structural brackets absorb engine vibration, protecting the rail and high‑pressure lines from stress cracks.
Technical Specifications
| Engineering Parameter | Technical Data / Specification Details |
|---|---|
| Component Assembly Part Numbers | 20798896 / VOE 20798896 / 23164449 |
| Component Classification | Heavy‑Duty Ultra‑High Pressure Common Rail Fuel Accumulator Manifold Tube |
| Pressure Rating | Calibrated for Peak Common Rail Injection System Pressures |
| Material | High‑Tensile Forged Anti‑Fatigue Alloy Carbon Steel Monoblock |
| Integrated Ports | Threaded Connections for Fuel Rail Pressure Sensor & Mechanical Pressure Limiter Valve |
| Sealing Design | High‑Precision Inverted Cone Seats for Leak‑Free Metal‑to‑Metal Connections |
Master Application Fleet Guide
This common rail fuel tube fits VOLVO excavators, wheel loaders and road‑building machinery:
Crawler & Wheeled Excavators: EC160C, EC200B, EC210B/E, EC220D/E, EC235D, EW145B, EW210D
Wheel Loaders: L60H, L90H
Road Construction Equipment: P5570C, P6820D, P6870C Pavers, SD115 Compactors
Critical B2B Procurement & Maintenance Guidelines
B2B Procurement Strategy
Overtightening, thread damage, and internal contamination from pump failure cause pressure loss and fuel leaks. Stock 20798896/23164449 for complete fuel system rebuilds. Cross‑sell with high‑pressure pump (21147446), injectors (20798114), rail pressure sensor and new high‑pressure lines for full fuel system overhaul kits.
Common Failure Symptoms
Visible fuel leakage at connection ports due to damaged or deformed inverted cone seats
Power lag and pressure drift fault codes on monitor (14609502) from pitted internal walls or faulty limiter valve
Hard starting or immediate stalling caused by pressure leaks at sensor/valve mounting threads
Relieve residual rail pressure safely, disconnect main battery switch (17418494). Maintain absolute cleanliness during installation; use new high‑pressure lines, hand‑thread fittings to avoid cross‑threading, torque to OEM specs, prime fuel system, bleed air, check for leaks and verify smooth engine operation with no error codes.
Global Brand Cross‑Reference Matrix
| Brand | Cross‑Reference Part Numbers |
|---|---|
| VOLVO Genuine PN | 20798896 / VOE 20798896 |
| Factory Interchange | 23164449 |
| Component Group | High‑Pressure Common Rail Fuel Tube / Accumulator Manifold Assembly / Fuel Injection Main Distribution Bar |
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]
Logistics: Global Sea Freight and Fast‑Track Industrial Express Ready
All manufacturer names and model designations are for compatibility reference only. These genuine common rail fuel tubes provide stable high‑pressure fuel distribution for global VOLVO construction, quarry, mining and road‑building machinery fleets.