
Product Introduction
The 5718220120 / 5718220220 Signal Lamp is an important exterior lighting component used on Mercedes-Benz NG, SK series and Beiben NG80 trucks. Installed on the truck cab side area, it provides additional lighting indication for vehicle turning, width recognition, and side visibility, helping other road users better identify the vehicle position.
Manufactured according to OEM specifications, this signal lamp features a durable lamp housing, clear light transmission lens, and reliable electrical connection structure. It is designed to withstand vibration, dust, rain, and harsh commercial vehicle operating environments.

Technical Specifications
| Item | Specification |
| Product Name | Signal Lamp / Side Lamp |
| OEM Part Number | 5718220120 / 5718220220 |
| Vehicle Brand | Mercedes-Benz / Beiben |
| Compatible Models | NG / SK / NG80 |
| System | Cabin Electrical & Lighting System |
| Component Type | Exterior Signal Lamp |
| Position | Cab Side / Vehicle Side Area |
| Material | ABS Housing + PC Lens |
| Light Type | Signal / Width / Steering Lamp |
| Manufacturing Process | Injection Molding + Electrical Assembly |
| Function | Vehicle Signal Indication & Side Visibility |
| Features | Waterproof, Vibration Resistant, Long Service Life |
| Condition | Brand New |
| OEM Standard | Yes |
| Quality Test | Lighting Performance / Waterproof / Fitment Tested |
| Installation | OEM Direct Replacement |
| Packaging | Export Standard Packaging |
| Origin | China |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
| Mercedes-Benz | NG Series |
| Mercedes-Benz | SK Series |
| Beiben | NG80 |
Payment & Shipping
| Category | Options |
| Payment Methods | T/T, PayPal, Western Union, MoneyGram, L/C, Alibaba Trade Assurance |
| Shipping Methods | DHL, FedEx, UPS, TNT |
| Delivery Time | 3–7 Days (Express), 20–45 Days (Sea Freight) |
| Trade Terms | EXW, FOB, CIF, CFR, DDP |
| Shipping Scope | Worldwide Shipping |
Related Products Categories
| Section/System | Common Spare Parts |
| Cylinder Block & Cylinder Head | Cylinder Block, Cylinder Head, Cylinder Liner, Piston, Piston Ring, Cylinder Head Gasket |
| Crankshaft System | Crankshaft, Connecting Rod, Bearing, Thrust Washer |
| Valve Train | Intake Valve, Exhaust Valve, Camshaft, Rocker Arm, Valve Spring |
| Fuel System | Injector, Fuel Pump, Fuel Filter |
| Cooling System | Water Pump, Thermostat, Radiator |
| Lubrication System | Oil Pump, Oil Cooler |
Transmission & Drivetrain Parts
| Section/System | Common Spare Parts |
| Clutch System | Clutch Disc, Pressure Plate, Release Bearing |
| Gearbox System | Gearbox Assembly, Gear Set, Bearing, Seal |
| Differential System | Differential Assembly, Crown Wheel & Pinion, Differential Bearing |
| Driveshaft System | Propeller Shaft, Universal Joint, Drive Shaft Center Bearing, Flange Fork, Slip Yoke, Center Support |
| Axle System | Axle Shaft, Wheel Hub, Planetary Gear, Side Gear |
| Section/System | Common Spare Parts |
| Front Axle | Steering Knuckle, Kingpin Kit, Tie Rod, Wheel Hub |
| Rear Axle | Axle Housing, Hub, Differential Housing |
| Suspension System | Leaf Spring, Leaf Spring Bracket, Leaf Spring Seat, Torque Rod, Balance Shaft, Spring Shackle, Suspension Saddle, Console Bracket, Shock Absorber, U-bolt |
| Steering System | Steering Gearbox, Drag Link, Steering Pump |
| Brake System | Brake Drum, Brake Shoe, Brake Chamber, Brake Valve, Slack Adjuster, Air Hose |
Cabin & Body Parts
| Section/System | Common Spare Parts |
| Cabin Assembly | Cabin Body, Mounting, Lock System |
| Electrical System | Signal Lamp, Headlamp, Tail Lamp, Relay, Switch, Instrument Cluster, Wiring Harness |
| Interior | Dashboard, Switch Panel, Instrument Cluster |
| Exterior | Bumper, Grille, Fender, Step |
