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FAW Cab Front Wall Wire Harness Cover Plate Assembly

FAW Cab Front Wall Wire Harness Cover Plate Assembly
FAW Cab Front Wall Wire Harness Cover Plate Assembly
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What is the FAW  Cab Front Wall Wire Harness Cover Plate Assembly

  • The FAW Cab Front Wall Wire Harness Cover Plate Assembly is a vital protective component located where the main wiring harness passes through the firewall (front wall) of FAW commercial truck cabs. Its primary function is to seal the opening around the harness bundle, preventing dust, moisture, road spray, engine compartment heat, and noise from entering the cabin. Simultaneously, it protects the harness wires from abrasion against the sharp metal edges of the firewall penetration. This Cab Front Wall Wire Harness Cover Plate Assembly is essential for maintaining cabin comfort, electrical system integrity, and preventing corrosion or premature wiring failure.
  • Secure mounting of the cover plate assembly is achieved using robust fasteners. The Hexagon Flange Bolt is commonly employed. This bolt features a six-sided head for wrench/socket access and an integrated flange that acts as a built-in washer. The flange distributes clamping force over a wider area and significantly enhances resistance to vibration loosening, ensuring the Cab Front Wall Wire Harness Cover Plate Assembly remains tightly sealed against the firewall over the long term.
  • Effective sealing is paramount and involves multiple components:
  • Lap Seal: A specialized sealing method or material (often rubber or flexible plastic) where the cover plate overlaps the firewall opening or adjacent components, creating a tight, weather-resistant barrier to block external elements.
  • Cover Plate Sealing Strip Butyl: A key sealing element. This mouldable, highly adhesive butyl rubber strip is applied between the Cab Front Wall Wire Harness Cover Plate Assembly and the cab firewall. It compresses to fill gaps perfectly around the harness and the plate’s contour, creating a durable, watertight, and airtight seal resistant to temperature extremes and aging.
  • The assembly also incorporates features for organized harness routing:
  • Wire Clip: Integrated into the cover plate design or attached nearby. This clip securely holds sections of the harness bundle in place immediately after it passes through the firewall, preventing excessive movement, chafing, and strain on the wires and connectors right at this critical entry point.
  • The Chassis Wire Harness Front Wall Fixing Bracket Assembly is a closely related component. Mounted on the engine compartment side of the firewall, this bracket provides a rigid anchor point for the chassis wiring harness immediately before it enters the cab through the cover plate opening. It ensures the harness is correctly positioned and stabilized, reducing stress on the wires where they pass through the Cab Front Wall Wire Harness Cover Plate Assembly and its seals.

Product Parameters of FAW Cab Front Wall Wire Harness Cover Plate Assembly

Order Part NO. Part Name And Standards Oty
Cab Front Wall Wire Harness Cover Plate  Assembly 1
1 Q1840820F6 Hexagon  Flange Bolt 8
2 3724990-1522 Cab Front Wall Wire Harness Cover Plate  Assembly 1
3 3724333-1086 Lap Seal 1
4 3724332-DY889 Wire Clip 1
5 3724655-DY889 Chassis Wire Harness Front Wall Fixing Bracket Assembly 1
6 3724332-1086 Cover Plate Sealing Strip Butyl 1

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