
Product Introduction
The 0049971847 Oil Seal is an essential sealing component used in the axle and wheel hub systems of Mercedes-Benz SK and Beiben NG80 heavy-duty trucks.
The oil seal is installed around a rotating shaft to create a reliable sealing barrier between lubricated internal components and the external environment. It works together with the wheel hub, bearings, axle shaft, spindle, and housing to maintain lubrication and prevent contamination.
Its primary functions include:
- Preventing lubricating oil or grease leakage
- Blocking dust, water, mud, and debris
- Protecting wheel hub bearings from contamination
- Maintaining correct lubrication inside the axle assembly
- Extending the service life of bearings and rotating components
During heavy-duty truck operation, the oil seal is continuously exposed to high rotational speeds, heavy loads, vibration, temperature changes, and harsh road conditions. A worn or damaged seal may result in lubricant leakage, bearing damage, contamination, abnormal wheel hub noise, and increased maintenance costs.
The 0049971847 oil seal is manufactured using premium oil-resistant rubber compounds with a precision-machined steel reinforcement ring. The optimized sealing lip design provides excellent elasticity, low friction, and long-lasting sealing performance even under demanding commercial vehicle applications.
Designed according to OEM specifications, this oil seal provides direct replacement compatibility for Mercedes-Benz SK and Beiben NG80 axle systems. It is widely used for wheel hub overhaul, front axle maintenance, differential repair, and commercial truck servicing.
Each oil seal undergoes strict quality inspections including dimensional verification, material testing, sealing lip inspection, hardness testing, and fitment verification to ensure reliable performance and long service life.

Technical Specifications
| Item | Specification |
| Product Name | Oil Seal |
| OEM Part Number | 0049971847 |
| Vehicle Brand | Mercedes-Benz / Beiben |
| Compatible Models | Mercedes-Benz SK / Beiben NG80 |
| System | Front Axle / Wheel Hub System |
| Component Type | Radial Shaft Oil Seal |
| Material | NBR / FKM Rubber + Steel Reinforcement |
| Manufacturing Process | Precision Molding + Steel Reinforcement |
| Function | Prevents Oil Leakage & Blocks Contaminants |
| Position | Front Axle / Wheel Hub (Application Dependent) |
| Condition | Brand New |
| OEM Standard | Yes |
| Quality Test | Dimension / Material / Sealing Performance Tested |
| Installation | OEM Direct Replacement |
| Packaging | Export Standard Packaging |
| Origin | China |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
| Mercedes-Benz | SK Series Truck |
| Beiben | NG80 Truck |
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 | Global 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 |
| Section/System | Common Spare Parts |
| Front Axle | Steering Knuckle, Kingpin Kit, Tie Rod |
| Rear Axle | Axle Housing, Hub, Differential Housing |
| Suspension System | Leaf Spring, Shock Absorber, U-bolt |
| Steering System | Steering Gearbox, Drag Link, Steering Pump |
| Brake System | Brake Chamber, Brake Valve, Brake Caliper |
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 |
