
Product Introduction
The 3863320062 Washer is an important wear-resistant component used in the front steering axle kingpin assembly of Mercedes-Benz SK, MK, NG series, and Beiben NG80 heavy-duty trucks.
Installed between the steering knuckle, kingpin, and axle components, the thrust washer supports axial loads while reducing friction during steering movement. It works together with:
- Steering knuckle
- Kingpin
- Kingpin repair kit
- Front axle beam
- Steering knuckle arm
- Wheel hub assembly
Its primary functions include:
- Supporting axial steering loads
- Reducing friction between moving parts
- Maintaining correct kingpin clearance
- Minimizing wear on steering components
- Extending steering system service life
During heavy-duty truck operation, the washer is subjected to continuous steering movement, vibration, and high vertical loads. A worn or damaged washer may result in:
- Excessive kingpin play
- Steering looseness
- Abnormal steering noise
- Accelerated kingpin wear
- Reduced steering precision
The 3863320062 thrust washer is manufactured from premium heat-treated alloy steel with precision machining to ensure accurate thickness, flatness, and load distribution. Its hardened surface provides outstanding wear resistance while maintaining stable steering performance over long service intervals.
Designed according to OEM specifications, this washer provides direct replacement compatibility for Mercedes-Benz SK, MK, NG, and Beiben NG80 steering axle systems. Industry references identify OEM 3863320062 as a thrust washer/pressure ring for Mercedes-Benz and compatible MAN heavy truck applications.
Each washer undergoes strict quality inspections including:
- Material hardness testing
- Thickness measurement
- Surface flatness inspection
- Dimensional verification
- Installation fitment testing
to ensure OEM-level performance and reliability.

Technical Specifications
| Item | Specification |
| Product Name | Thrust Washer / Pressure Ring |
| OEM Part Number | 3863320062 |
| Vehicle Brand | Mercedes-Benz / Beiben |
| Compatible Models | Mercedes-Benz SK / MK / NG / Beiben NG80 |
| System | Front Steering Axle System |
| Component Type | Kingpin Thrust Washer |
| Position | Front Axle Kingpin Assembly |
| Material | Heat-Treated Alloy Steel |
| Manufacturing Process | Precision Machining + Heat Treatment |
| Function | Supports Axial Load & Reduces Friction |
| Surface Treatment | Anti-Corrosion Coating |
| Condition | Brand New |
| OEM Standard | Yes |
| Quality Test | Hardness / Thickness / Dimension / Fitment Tested |
| Installation | OEM Direct Replacement |
| Packaging | Export Standard Packaging |
| Origin | China |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
| Mercedes-Benz | SK Series |
| Mercedes-Benz | MK Series |
| Mercedes-Benz | NG 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 |
| Section/System | Common Spare Parts |
| Front Axle | Steering Knuckle, Steering Knuckle Arm, Kingpin Kit, Tie Rod, Wheel Hub |
| 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 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 |
