294-1791 Fuel Line Tube (8mm) for CAT 320D 321D 323D Excavators C6.4 Engine

High-precision 8mm fuel line tube 294-1791 for CAT 320D, 321D, and 323D excavators. Essential for C6.4 engine fuel supply. Durable, leak-proof, and engineered to OEM specifications.

  • Part Number: 294-1791
  • Product Name: Fuel Line Tube (8mm)
  • Applicable Model: CAT 320D, 321D, 323D
  • Brand: For Caterpillar
  • Condition: Aftermarket New / OEM Replacement
  • MOQ: 1 - 6 PCS
  • Warranty: 6 - 12 Months
Technical Specifications 294‑1791 ‑ Fuel Line for CAT 320D/323D

294‑1791 Fuel Line — High-Pressure Tube Assembly

The 294‑1791 Fuel Line is a high‑pressure fuel tube assembly designed for reliable fuel delivery in Caterpillar C6.4 ACERT engines. Built for an 8mm high‑pressure fuel system, this component ensures stable fuel supply, consistent combustion, and reliable power output for heavy‑duty excavation operations.

1. Technical Specifications

Technical ParameterSpecification Details
Part Number294‑1791 (2941791)
Tube Diameter8 mm
Installation Height98.3 mm (3.87 in)
Installation Length198.4 mm (7.81 in)
MaterialHigh‑Strength Corrosion‑Resistant Alloy Steel
ApplicationEngine High‑Pressure Fuel Supply System

2. Machine Compatibility

This high‑pressure fuel line fits all CAT 20‑ton class excavators equipped with the C6.4 ACERT engine:

  • 320D Series: 320D, 320D GC, 320D L, 320D LN, 320D RR, 320D FM, 320D LRR

  • 321D Series: 321D LCR

  • 323D Series: 323D, 323D L, 323D LN, 323D S, 323D SA

  • Special Units: 323D L / 323D LN Mobile Hydraulic Power Units

3. Key Features & Advantages

  • OEM‑Precision Fitment: Manufactured to original factory dimensions for perfect alignment and 100% leak‑free connections.

  • Superior Vibration Resistance: Reinforced structure prevents fatigue cracks under heavy job‑site vibration.

  • Long‑Lasting Corrosion Protection: Special coating resists diesel fuel additives and environmental moisture.

  • Stable Fuel Flow: Smooth internal bore minimizes turbulence and pressure loss, ensuring consistent fuel delivery to the C6.4 engine.

Installation Note
To ensure fuel system safety, tighten all fittings to manufacturer torque specifications. Check and secure mounting clips to avoid excessive vibration and premature line failure.

For commercial inquiries, bulk orders, or technical support:

Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]

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