

The vehicle body basic electrical equipment is the core electrical foundation of every HOWO MAX 4X2 tractor. A well designed vehicle body basic electrical equipment powers all lights, controls, and safety systems reliably. This genuine HOWO vehicle body basic electrical equipment is built for African road conditions. When you choose authentic Howo Parts, you get a complete electrical system that matches factory specifications perfectly.
The electrical junction box (NX) is the central hub of the vehicle body basic electrical equipment. It distributes power to all body circuits. This box contains fuses and relays for headlights, wipers, and interior lighting. Its compact design fits neatly in the cabin.
The controller mounting frame (NX) securely holds the electrical junction box. It is made from stamped steel with anti corrosion coating. This frame bolts directly to the dash panel, providing a stable base for the junction box in the vehicle body basic electrical equipment.
The electrical junction box cover (NX) protects internal components from dust and moisture. It snaps onto the junction box with locking clips. The cover has a transparent window for quick fuse inspection without removal. This cover is a vital part of the vehicle body basic electrical equipment.
The hexalobular socket pan head screw is used to fasten the junction box cover. This screw has a star shaped drive that prevents cam out during installation. It provides secure clamping for the cover in the vehicle body basic electrical equipment assembly.
The flat washer distributes load under the screw head. It prevents damage to plastic components and ensures even pressure. This simple washer is essential for reliable fastening in the vehicle body basic electrical equipment.
The cross recessed pan head screw, spring washer and big washer assembly (Reference Q2140625) is a complete fastening set. It includes a screw with Phillips drive, a spring washer to prevent loosening, and a large washer for load distribution. This assembly secures multiple brackets inside the vehicle body basic electrical equipment.
The hex flange nut M6 provides a self contained fastening solution. Its integrated flange eliminates the need for a separate washer. This nut is used with M6 studs on mounting frames. It is a common fastener within the vehicle body basic electrical equipment.
The large washer is used under nuts and screws when extra bearing surface is required. It prevents pull through on plastic or thin metal panels. This washer is frequently found in the vehicle body basic electrical equipment mounting points.
The A type spring nut is a cage nut that clips into square holes. It provides threaded holes where sheet metal is too thin to tap. This spring nut allows easy attachment of covers and brackets in the vehicle body basic electrical equipment.
The loudspeaker (4 inch) is the audio output device for the truck cab. It produces clear sound for radio and warning tones. This speaker is mounted in the door or dash panel as part of the vehicle body basic electrical equipment.
The hexagon flower pan head tapping screw creates its own threads in plastic or metal. It has a flower shaped head for positive drive engagement. This screw is used to attach trims and small components in the vehicle body basic electrical equipment.
The wiring terminal protection cap (M8) covers exposed M8 battery terminals. It prevents accidental short circuits and corrosion. This cap is a safety feature of the vehicle body basic electrical equipment.
Vehicle body basic electrical equipment – HOWO MAX 4X2 genuine system
| Material Encoding | Name |
|---|---|
| YG1671720060 | Electrical junction box (NX) |
| YG1671720062 | Controller mounting frame (NX) |
| YG1671720061 | Electrical junction box cover (NX) |
| Q215B0620 | Hexalobular socket pan head screw |
| Q401B06 | Flat washer |
| WG9525582080 | Cross-recessed pan head screw, spring washer and big washer assembly (Reference Q2140625) |
| ZQ32006 | Hex flange nut M6 |
| Q402B06 | Large washer |
| Q39739161 | A-type spring nut |
| WG9525780004 | Loudspeaker (4-inch) |
| Q27A4813F31 | Hexagon flower pan head tapping screw |
| WG9925580011 | Wiring terminal protection cap (M8) |
Our vehicle body basic electrical equipment includes every screw, washer, nut, and bracket. No need to source extra hardware. The kit comes with hexalobular screws, spring nuts, flange nuts, and protection caps. This all in one package saves workshop time and ensures correct fitment.
The electrical junction box (NX) uses flame retardant plastic with IP54 sealing. Its cover has a transparent window for fuse inspection. The mounting frame is galvanized steel for corrosion resistance. This combination provides long lasting protection for your vehicle body basic electrical equipment.
The included loudspeaker delivers 15 watts of clean sound for the cab audio system. It is weather resistant and designed for truck cabin acoustics. The speaker integrates seamlessly into the vehicle body basic electrical equipment harness with a standard two pin connector.
The M8 wiring terminal protection cap prevents accidental short circuits on battery posts. It is made from flexible rubber that fits tightly. This small but critical component enhances safety of the vehicle body basic electrical equipment and prevents electrical fires.
The electrical junction box (NX) is molded from UL94 V0 rated polycarbonate. It contains twenty fuse positions and ten relay sockets. Each terminal is rated for 30 amperes continuous current. The box base has integrated mounting bosses that align with the controller mounting frame (NX). The cover seals with a silicone gasket that withstands engine bay temperatures. This junction box is the heart of the vehicle body basic electrical equipment.
The controller mounting frame (NX) is laser cut from 2mm thick steel. It has four M6 weld nuts on the back. The frame is e coated in black and then powder coated for extra protection. This frame attaches to the firewall using the A type spring nuts and hex flange nuts M6. Once installed, it provides a rigid platform for the junction box.
The electrical junction box cover (NX) is made from clear polycarbonate. It has living hinges that survive 10,000 cycles. The cover snaps shut with a tactile click. A small foam gasket around the perimeter keeps dust out. Without this cover, the vehicle body basic electrical equipment would be exposed to dirt.
The hexalobular socket pan head screws are zinc plated with trivalent chromium. They pass 240 hours of salt spray testing. These screws are used to attach the cover to the junction box. Their internal torx plus drive allows higher torque without stripping.
The flat washers and large washers are made from spring steel. They are yellow zinc plated for extra corrosion resistance. The large washer (Q402B06) has an outer diameter of 18mm. It is used under the hex flange nut M6 when extra clamping area is needed on plastic components.
The cross recessed pan head screw assembly includes a pre assembled spring washer. This assembly saves installation time because the washer cannot fall off. The spring washer maintains tension under vibration. This feature is critical for the vehicle body basic electrical equipment mounted on a truck.
The A type spring nut (Q39739161) is a cage nut that clips into 6mm square holes. It has an M6 thread and a spring steel cage. This nut allows quick attachment of panels without holding a wrench on the back. It is widely used in the vehicle body basic electrical equipment for mounting the controller frame.
The hexagon flower pan head tapping screw (Q27A4813F31) has a thread forming tip. It cuts its own mating thread in plastic up to 3mm thick. The flower head provides a larger driving surface than a standard Phillips. This screw is used to attach the loudspeaker and trim pieces.
The loudspeaker (4 inch) has a polypropylene cone and foam surround. Its impedance is 4 ohms with a frequency response of 80 Hz to 15 kHz. The magnet is ferrite with a 20 watt peak power rating. This speaker connects to the vehicle body basic electrical equipment via a two pin Molex connector. It mounts with four tapping screws into pre formed holes.
The loudspeaker grille is integrated into the door panel. Sound quality is optimized for the cab interior. The speaker also serves as the sound source for the reverse alarm beeper and turn signal clicker in some configurations. This dual function reduces part count in the vehicle body basic electrical equipment.
The wiring terminal protection cap (M8) is molded from EPDM rubber. It fits tightly over the M8 battery terminal stud. The cap has a pull tab for easy removal. It protects against accidental tools bridging the positive terminal to ground. This cap is required for ECER100 electrical safety compliance. It is a small but vital part of the vehicle body basic electrical equipment.
Start by mounting the controller mounting frame (NX) to the firewall using A type spring nuts and hex flange nuts M6. Torque the nuts to 8 Nm. Then attach the electrical junction box (NX) to the frame with four hexalobular socket pan head screws. Use the flat washers under each screw. Next, insert all fuses and relays into the junction box. Snap the electrical junction box cover (NX) into place. Secure it with the remaining pan head screws. Then mount the loudspeaker using the hexagon flower pan head tapping screws. Finally, install the wiring terminal protection cap on the battery. This complete installation ensures that the vehicle body basic electrical equipment functions correctly.
Every component of the vehicle body basic electrical equipment is tested before leaving the factory. The electrical junction box undergoes continuity testing on all circuits. The controller mounting frame is checked for dimensional accuracy with a go no go gauge. The loudspeaker is swept from 50 Hz to 20 kHz to verify no rattles. The fasteners are sampled for hardness and plating thickness. This rigorous quality system ensures that your vehicle body basic electrical equipment will provide years of trouble free operation.
This vehicle body basic electrical equipment is designed for the HOWO MAX 4X2 standard cab and sleeper cab. The mounting frame fits both left hand drive and right hand drive configurations. The electrical junction box has spare circuits for optional equipment like fog lights or auxiliary heaters. The loudspeaker is compatible with both basic radio and multimedia systems. If you have a HOWO MAX 6X4 or 8X4, please check with your dealer as some brackets may differ. For the 4X2 tractor, this kit is a direct replacement.
Using genuine vehicle body basic electrical equipment reduces electrical failures that cause downtime. The sealed junction box prevents corrosion related intermittent faults. The high quality fasteners do not rust and seize, making future service easier. The loudspeaker maintains clear audio for driver alerts. The terminal protection cap prevents accidental shorts during battery maintenance. Over the life of the truck, these benefits translate to lower maintenance costs and higher resale value. Fleet operators across Nigeria trust genuine HOWO parts for their MAX 4X2 tractors.
Store the vehicle body basic electrical equipment kit in a dry indoor area. Keep the junction box and cover away from direct sunlight before installation. The fasteners are packaged in sealed poly bags to prevent rust. Do not remove the protective cap from the loudspeaker magnet until installation to avoid debris ingress. After unpacking, inspect all components against the packing list. If any item is missing, contact your supplier immediately. With proper handling, this vehicle body basic electrical equipment will arrive in perfect condition.