81.25225.6465 Tail Light

Function, Specifications, Materials, and Key Parameters of 81.25225.6465 Rear Tail Lamp Assembly

1. Function

The 81.25225.6465 rear tail lamp assembly serves multiple critical safety functions in a vehicle:

• Brake Light: When the driver applies the brakes, the brake light illuminates to alert following vehicles to slow down or stop, preventing rear-end collisions.

• Turn Signal: The turn signal flashes to indicate the driver's intention to change lanes or turn, enhancing communication with other road users.

• Reverse Light: When reversing, the reverse light illuminates to provide visibility and alert pedestrians and other vehicles.

• Position Light/Side Marker Light: These lights display the vehicle's width and position, especially during nighttime or low-visibility conditions, improving overall road safety.

2. Specifications

• Part Number: 81.25225.6465

• Application: Designed for use in heavy-duty commercial vehicles, such as the SHACMAN Delong M3000, X3000, and other models from manufacturers like HOWO, Steyr, and Shandeka.

• Type: Left combination rear tail lamp assembly, which may integrate multiple functions into a single unit.

• Configuration: The assembly includes a lens, housing, bulb sockets, electrical connectors, and mounting hardware.

3. Materials

• Lens: Typically made of acrylic or polycarbonate plastic, which is lightweight, durable, and resistant to UV radiation and impact.

• Housing: Constructed from high-quality plastic or a composite material to ensure strength and resistance to environmental factors.

• Electrical Components: Utilize copper wiring and brass or nickel-plated connectors for reliable electrical conductivity.

• Seals and Gaskets: Rubber or silicone materials are used to prevent water and dust ingress, ensuring the longevity of the lamp assembly.

4. Key Parameters

• Voltage and Power: Designed to operate within the vehicle's electrical system, typically 12V or 24V.

• Light Source: May use incandescent bulbs, LEDs, or a combination of both for different functions. LEDs offer longer lifespan, lower power consumption, and brighter illumination.

• Dimensions: The overall size of the lamp assembly is optimized to fit the vehicle's rear panel without obstructing other components.

• Weight: Lightweight construction to minimize the impact on the vehicle's overall weight and fuel efficiency.

• Compliance with Standards: Meets relevant safety and performance standards for automotive lighting, including those related to visibility, durability, and impact resistance.

• Waterproof and Dustproof Rating: The lamp assembly is designed to withstand harsh environmental conditions, with an IP rating that indicates its resistance to water and dust ingress.

5. English Terminology

• Rear Tail Lamp Assembly: Also referred to as a rear combination lamp or tail light assembly.

• Lens: The transparent or translucent cover that protects the light source and directs the light output.

• Housing: The outer casing that encloses and protects the internal components of the lamp assembly.

• Brake Light: A red light that illuminates when the brakes are applied.

• Turn Signal: An amber or yellow light that flashes to indicate a lane change or turn.

• Reverse Light: A white light that illuminates when the vehicle is in reverse gear.

• Position Light/Side Marker Light: A white or amber light that displays the vehicle's width and position.

• IP Rating: A standard that indicates the level of protection against dust and water ingress.