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High Quality New Combination Window Lifter Switch 3750710-C6100 Spare Parts for Dongfeng Tianlong Truck

The 3750710-C6100 Driver’s Side Door Integrated Control Switch Assembly is an original equipment (OE) multifunctional switch panel mounted on the driver’s front door armrest of modern Dongfeng Tianlong KX/GX, KL, and Kingrun KR series heavy-duty trucks. As a central interface for driver convenience systems, it integrates controls for window lifters, central door locks, side mirror adjustment, and heating functions, offering intuitive access to essential cabin features.

Engineered to meet automotive-grade durability standards, this switch assembly features silver-alloy contacts for reliable conductivity, flame-retardant ABS/PC housing, and tactile feedback switches designed for long-term reliability under frequent use. The unit operates on 24V DC, matching standard commercial vehicle electrical systems, and includes optional backlighting (amber or blue) for nighttime visibility.
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  • 3750710-C6100

  • Dongfeng

Attribute Description
Part Number (OE) 3750710-C6100
Product Name Driver’s Side Door Integrated Control Switch Assembly
Common Names Window Lift Switch Panel, Master Door Control Module
Application Position Left front door trim (driver's side)
Vehicle Brand Dongfeng Commercial Vehicle (DFCV)
Compatible Models Dongfeng Tianlong KL / KX / GX, Kingrun KR, D760/D320 Platform
Production Years 2020 – Present
Operating Voltage 24V DC (standard for Chinese heavy trucks)
Switch Functions - Front & Rear Window Up/Down (toggle)
- Central Lock/Unlock Button
- Mirror Adjustment Knob
- Mirror Heating (on high-spec versions)
Backlight Color Amber Orange or Ice Blue (OEM standard)
Connector Type 12-pin or 14-pin waterproof plug (pinout varies by configuration)
Housing Material Flame-retardant ABS/PC engineering plastic
Contact Material Silver alloy (high conductivity, anti-arc, long life)
Design Standard Meets GB/T 28046, ISO 16750, and DFCV OE specifications
车窗升降开关-2


车窗升降开关-1


Parameter Specification
Rated Voltage 24V DC ± 10%
Window Switch Life Cycle ≥100,000 operations (up/down per window)
Door Lock Button Life ≥50,000 actuations
Operating Temperature Range -40°C to +85°C — fully functional
Touch Feedback Uniform tactile response; no sticking or excessive resistance
Water Resistance IP65 rated (dust-tight and protected against water jets)
Backlight Power <1.0 W (LED-based illumination)
Installation Method Screw-mounted into door armrest with clip support
Service Life 8–10 years under normal usage conditions


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