
Product Introduction
The 8 Holes Suspension Saddle Trunnion Seat is an important structural component used in the rear bogie suspension system of Mercedes-Benz SK series and Beiben NG80 heavy-duty trucks. Installed with the balance shaft and suspension saddle assembly, it provides stable support for the suspension structure and helps maintain correct axle positioning during heavy-load operation.
Manufactured from high-strength materials with precision machining, this trunnion seat ensures accurate installation, excellent durability, and reliable performance under vibration and impact conditions. It is widely used for rear suspension repair, chassis rebuilding, and replacement applications for heavy commercial trucks.

Technical Specifications
| Item | Specification |
| Product Name | Truck Suspension Saddle Trunnion Seat |
| Configuration | 8 Holes |
| Vehicle Brand | Mercedes-Benz / Beiben |
| Compatible Models | Mercedes-Benz SK / Beiben NG80 |
| System | Chassis & Suspension System |
| Component Type | Suspension Saddle / Trunnion Seat |
| Position | Rear Bogie Suspension |
| Material | High Strength Cast Steel |
| Manufacturing Process | Casting + Machining + Surface Treatment |
| Function | Supports Balance Shaft & Suspension Assembly |
| Mounting Type | 8 Bolt Holes |
| Surface Treatment | Anti-Corrosion Coating |
| Condition | Brand New |
| OEM Standard | Yes |
| Quality Test | Strength / Dimension / Hole Position / Fitment Tested |
| Installation | OEM Direct Replacement |
| Packaging | Export Standard Packaging |
| 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, Drive Shaft Center Bearing, 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 | Suspension Saddle Trunnion Seat, Balance Shaft, Leaf Spring Seat, Equalizer Beam, 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 |
