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FAW 3724970-2000/C Wiring Harness Mounting Block Cover

PART NO.:
3724970-2000/C
Part Name:
Wiring Harness Mounting Block Cover
Russian Name:
Крышка блока крепления жгута проводов

Ensure the long-term protection and organized routing of your FAW truck’s critical electrical systems with the genuine OEM Wiring Harness Mounting Block Cover, part number 3724970-2000/C. This precisely engineered component serves as a protective housing and mounting point for electrical connectors and wiring harness blocks, safeguarding them from physical damage, moisture, dust, and chemical exposure. As a vital element within the extensive catalog of reliable Faw truck parts, this cover is essential for maintaining electrical integrity and preventing costly wire harness failures.

The part 3724970-2000/C is designed to snap or bolt securely over a connector mounting block, providing a sealed environment that prevents corrosion on terminals and protects wire insulation from abrasion against chassis components. Investing in this genuine FAW part ensures a perfect fit, optimal protection, and contributes significantly to the overall reliability and safety of your truck’s complex electrical network, reducing the risk of electrical shorts, intermittent faults, and premature harness replacement.

FAW 3724970-2000/C Wiring Harness Mounting Block Cover

Wiring Harness Mounting Block Cover

FAW 3724970-2000/C Wiring Harness Mounting Block Cover

Крышка монтажного блока жгута проводов

FAW 3724970-2000/C Wiring Harness Mounting Block Cover

Cubierta del bloque de montaje del arnés de cableado

Critical Protective Function and Electrical System Integrity

The FAW Wiring Harness Mounting Block Cover, identified by part number 3724970-2000/C, plays a fundamental role in preserving the reliability of the vehicle’s electrical architecture. Modern trucks contain numerous electrical connection blocks where multiple wiring harnesses converge, often located in under-hood, under-dash, or frame-rail areas exposed to harsh environments. These blocks are vulnerable to direct spray from water, accumulation of conductive road salt and grime, and physical impact from tools or debris during maintenance.

The 3724970-2000/C cover acts as a dedicated shield. By encapsulating the connector block, it creates a critical barrier that prevents moisture ingress, which is the primary cause of terminal corrosion, increased electrical resistance, and subsequent voltage drops or complete circuit failure. It also protects against abrasive dust and sand that can wear through wire insulation over time, leading to short circuits. Furthermore, the cover provides mechanical protection, preventing accidental dislodging of connectors and safeguarding plastic mounting tabs from breakage. For fleet managers and owners, using the genuine 3724970-2000/C cover is a proactive measure to avoid elusive electrical gremlins, reduce diagnostic time, and prevent the high cost of replacing entire wiring harnesses due to localized, preventable damage.

Design Features and Material Advantages

Precision OEM Fit: Part 3724970-2000/C is molded to the exact shape and size of the specific FAW wiring harness mounting block, ensuring complete coverage and a secure, rattle-free fit that does not interfere with adjacent components or harness movement.

Durable, Engineered Material: Manufactured from high-grade, glass-reinforced polyamide (nylon) or similar thermoplastic, offering excellent impact resistance, dimensional stability across temperature extremes, and inherent resistance to oils, fuels, and common automotive fluids.

Integrated Sealing and Fastening: Often features a peripheral sealing ridge and robust snap-clips or integrated bolt holes that align with the mounting block, creating a semi-sealed or fully sealed enclosure that effectively excludes contaminants.

Wire Exit Ports and Strain Relief: Designed with notches or ports that allow the harnesses to exit cleanly, often including features to prevent sharp bending of wires and to manage strain, thereby protecting the wires at their most vulnerable connection points.

Serviceability and Access: Engineered for easy removal and reinstallation, allowing technicians quick access to connectors for diagnostics or repairs without damaging the cover or the wiring, supporting efficient maintenance workflows.

Compatibility and Application in Electrical Systems

The OEM part number 3724970-2000/C is specified for particular FAW truck models and electrical system configurations, commonly found in the FAW Jiefang J6 and J7 series. It is designed to cover a specific mounting block that may house connectors for critical systems such as engine management, lighting, chassis controls, or cab functions. Correct identification is essential, as these covers are not universal.

This component is indispensable for trucks operating in demanding conditions—including regional haulage, construction, forestry, and cold climates where road salt is used. The cover 3724970-2000/C ensures that sensitive multi-pin connectors remain clean, dry, and securely mated. Using the exact OEM part guarantees that all clip locations, sealing surfaces, and wire exit ports align perfectly with the underlying block and harness routing. Before purchase, it is crucial to verify application using the vehicle’s VIN or an official FAW electrical diagram to confirm that part 3724970-2000/C is the correct cover for the specific mounting block location on your truck, ensuring complete protection and system integrity.

Installation Procedure and Technical Considerations

Installing the FAW Wiring Harness Mounting Block Cover, part 3724970-2000/C, is a precise but manageable task. Begin by disconnecting the negative terminal of the truck’s battery to eliminate any risk of electrical short circuits. Locate the specific wiring harness mounting block that requires covering. Ensure the block and all its connectors are clean, dry, and properly seated. If replacing an old or missing cover, remove any debris from the area.

Carefully route the wiring harnesses through the designated exit ports or notches in the new 3724970-2000/C cover. Align the cover over the mounting block, ensuring any guiding tabs or pins engage correctly. Apply firm, even pressure around the perimeter until all integrated snap-clips audibly click into place. If the design uses bolts or screws, insert and tighten them to the specified torque, taking care not to over-tighten and crack the cover. Finally, reconnect the battery and perform a functional check of the electrical systems associated with that block to verify proper operation. For complex electrical systems, reference to the vehicle’s service manual or professional installation is advised to avoid dislodging any sensitive connectors.

Technical Specifications: Part # 3724970-2000/C

Specification Category Detailed Specification
OEM Part Number 3724970-2000/C
Product Name Wiring Harness Mounting Block Cover
Manufacturer Brand FAW (First Automobile Works)
Primary Material Glass-Reinforced Polyamide (PA66-GF) / Engineering Thermoplastic
Standard Color Black (May vary; typically neutral dark color)
IP Rating (Typical) IP54 or similar (Dust and water splash protected)
Mounting Method Snap-Fit Clips or Integrated Bolt Holes
Operating Temperature Range -40°C to +125°C (-40°F to +257°F)
Flammability Rating UL94 V-0 or Equivalent (Flame Retardant)
Vehicle Compatibility FAW Jiefang J6, J7 Series (Specific Models/Years)
Chemical Resistance High resistance to oils, fuels, coolants, and road chemicals.

Maintenance, Inspection, and Care Guidelines

Regular inspection and minimal maintenance of the 3724970-2000/C Wiring Harness Mounting Block Cover are key to ensuring its ongoing protective function. During routine vehicle servicing or pre-trip inspections, visually check the cover for any signs of physical damage, such as cracks, deformation, or missing clips. Ensure it remains securely fastened and has not been dislodged by vibration or accidental impact.

Gently clean the exterior of the cover with a dry or slightly damp cloth to remove accumulated dust, grease, or road salt that could obscure damage or, over a very long period, potentially degrade the material. Avoid using high-pressure water or steam cleaners directly on the cover’s seams to prevent forcing moisture inside. Periodically, and especially if electrical issues arise, a technician may remove the cover to inspect the condition of the underlying connectors for corrosion or looseness—this is where the serviceability of the genuine 3724970-2000/C part is beneficial. If the cover is damaged, replace it promptly with a new OEM unit to restore full protection. No lubrication is required or recommended.

Conclusion: A Vital Guardian of Electrical Reliability

The FAW OEM Wiring Harness Mounting Block Cover, part number 3724970-2000/C, is an indispensable component in the defense-in-depth strategy for modern truck electrical systems. It provides targeted, robust protection for one of the most vulnerable yet critical points in the vehicle’s wiring network.

Choosing the genuine 3724970-2000/C part guarantees material integrity, perfect fitment, and environmental sealing that generic caps or makeshift solutions cannot provide. This investment directly contributes to reducing electrical failures, minimizing vehicle downtime, and avoiding the exorbitant costs associated with diagnosing and repairing harness-related faults. For any FAW truck owner or fleet operator committed to maximum uptime and reliability, ensuring every mounting block is properly covered with its designated part, such as 3724970-2000/C, is a mark of professional and preventative maintenance.

Protect your electrical lifelines. Insist on the genuine FAW 3724970-2000/C Wiring Harness Mounting Block Cover for guaranteed performance and peace of mind.

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