
Product Introduction
The 6243120060 Suspension Beam is an important structural component used in the rear chassis suspension system of Mercedes-Benz SK series and Beiben NG80 heavy-duty trucks.
Installed between chassis frame sections and suspension mounting structures, the suspension beam strengthens the vehicle frame while providing reliable support for rear suspension components. It helps maintain proper suspension geometry and improves stability when carrying heavy loads.
The suspension beam works together with:
- Balance shaft assembly
- Suspension saddle trunnion seat
- Chassis console bracket
- Equalizer beam
- Rear axle assembly
- Leaf spring system
- Suspension mounting brackets
- Chassis frame rails
Its primary functions include:
- Reinforcing chassis frame strength
- Supporting rear suspension components
- Maintaining axle alignment
- Distributing vehicle loads evenly
- Reducing chassis deformation
- Improving driving stability and suspension durability
Heavy-duty trucks operating in construction, mining, transportation, and harsh road conditions experience continuous vibration, impact loads, and chassis twisting forces. A damaged suspension beam may cause:
- Chassis frame deformation
- Suspension misalignment
- Increased vibration
- Uneven axle loading
- Accelerated suspension wear
- Reduced vehicle handling stability
The 6243120060 suspension beam is manufactured from high-strength steel with advanced welding technology and precision processing. The mounting surfaces and connection points are produced according to OEM specifications to ensure accurate installation and reliable performance.
Designed as a direct replacement component, this suspension beam is suitable for Mercedes-Benz SK and Beiben NG80 heavy trucks. It is widely used for chassis repair, suspension rebuilding, fleet maintenance, mining vehicles, construction trucks, and commercial transportation applications.
Each suspension beam undergoes strict quality inspections including:
- Material strength inspection
- Welding quality inspection
- Dimensional accuracy verification
- Mounting position inspection
- Surface coating inspection
- Installation fitment testing
to ensure OEM-level durability, strength, and service life.

Technical Specifications
| Item | Specification |
| Product Name | Suspension Beam |
| OEM Part Number | 6243120060 |
| Vehicle Brand | Mercedes-Benz / Beiben |
| Compatible Models | Mercedes-Benz SK / Beiben NG80 |
| System | Chassis & Rear Suspension System |
| Component Type | Suspension Structural Beam |
| Position | Rear Chassis Frame |
| Material | High Strength Structural Steel |
| Manufacturing Process | Precision Forming + Welding + Machining + Anti-Corrosion Treatment |
| Function | Supports Suspension System & Reinforces Chassis |
| Surface Treatment | Anti-Rust Coating |
| Condition | Brand New |
| OEM Standard | Yes |
| Quality Test | Strength / Welding / Dimension / Fitment Tested |
| Installation | OEM Direct Replacement |
| Packaging | Export Standard Wooden Case |
| Origin | China |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
| 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, Slip Yoke, Center Bearing, Driveshaft Flange |
| 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 | Suspension Beam, Balance Shaft, Equalizer Beam, Suspension Saddle, Console Bracket, Leaf Spring, Shock Absorber, U-bolt |
| Steering System | Steering Gearbox, Drag Link, Steering Pump |
| Brake System | Brake Drum, Brake Shoe, Brake Chamber, Brake Valve, Brake Caliper, Slack Adjuster |
Cabin & Body Parts
| Section/System | Common Spare Parts |
| Cabin Assembly | Cabin Body, Mounting, Lock System |
| Electrical System | Headlamp, Tail Lamp, Wiring Harness |
| Interior | Dashboard, Switch Panel, Instrument Cluster |
| Exterior | Bumper, Grille, Fender, Step |