Our Services
- Thrust Washer
- Clamp Nut Axle
- Cap Bolt ISO 4762-M10X 40-10.9 DBL9
- Hub Cap
- Steering Knuckle Kit Single Cut
- Steering Knuckle Kit Double Cut
- Profile Seal Packing Front
- Nutring ABS Ring
- Radial Shaft Sealing Ring ABS
- Tapered Roller Bearing / 125X70X41 (33214 Front Inner)
- Tapered Roller Bearing / 90X50X32 (33210 Front Outer)
- Wheel Mounting Bolt / HDT / M22 X 2.5 X 78
- Wheel Nut M22 X 2.5
- Front Wheel Hub ABS
- Front Wheel Hub NonABS
- Drag Link Assembly
- Tie Rod Assembly
- Tie Rod Assembly
- Radial Shaft Sealing Ring NonABS
- Rear Axle Shaft Short With Diff. Lock
- Wheel Mounting Bolt / HDT / M22 X 2.5 X 98
- Tapered Roller Bearing / 130X80X37 (33116 Rear Outer)
- Tapered Roller Bearing / 150X100X31 (33020 Rear Inner)
- Profile Seal Packing Rear
- Radial Shaft Sealing Ring BS4/6
- Radial Shaft Sealing Ring BS3
- Axle Locknut - M80X1.5
- Axle Locknut - M80X1.5 OS
- Lock Plate for Grooved Nut
- Distanzplatte Washer
- Impulsring Spacer
- Radial Seal Input Thru Shaft
- Input Thru Shaft Nut M39X1.5 (Yoke)
- Brake Drum / 180MM 7"
- Brake Drum / 220MM/FG300 9"
- Brake Drum / Oil Hub
- Brake Shoe 14 Holes
- Brake Shoe 12 Holes
- Brake Lining / Set-(STD) Cons - 410X220 12 Hole
- Brake Lining / Set-(STD) Construction 14 Hole
- Retaining Spring / Abutment End Small
- Tension Spring / Spring Cam End Big
- Brake Cam Oil Seal
- Brake Cam Bush Brass
- Brake Adjustment / Automatic-160MM-75 Offset / LH
- Brake Adjustment / Automatic-160MM-75 Offset / RH
- Brake Adjustment / Automatic-160MM
- Brake Cylinder LH / Type 24/24/200MM/ RT1
- Brake Cylinder RH / Type 24/24/200MM/ RT1
- Brake Cylinder LH / Type 20/24/72MM/IN/ RT2
- Brake Cylinder RH / Type 20/24/72MM/IN/ RT2
- Four-Circuit Protection Valve / EG FU
- Quick Exhaust Valve – QRV (WABCO)
- Air Drier – KNORR
- AIR DRIER / WABCO
- Relay Valve - Delivery Plug-WABCO
- Solenoid Valve VOSS Type
- Pressure Sensor / KB
- Drain Valve / Water Drain Plug
- Air Pressure Limiter / Valve Unit Euro4
- Dual-Circuit Brake Valve
- Compressed Air Line Brake / Rubber Hose / FRT
- Cylinder Head / Air Compressor Cyl Assy HD
- Cylinder Head
- Coolant Line
- Coolant Line
- Brake Shoe Liner Set
Axle Locknut - M80X1.5 OS
Its M80 × 1.5 fine-thread profile ensures strong clamping force and accurate bearing preload, maintaining stable hub operation. The oversize design allows proper tightening even when the spindle threads have minimal wear. Constructed from high-strength alloy steel, the locknut delivers exceptional durability, resisting vibration, torque stress, and harsh driving conditions. It prevents loosening and supports long-term axle reliability.
By ensuring correct preload and secure hub retention, this nut improves vehicle stability, enhances bearing life, and reduces the risk of drivetrain failure.
Key Features
- Oversize (OS) M80 × 1.5 heavy-duty axle locknut
- Designed for spindles with slight thread wear
- Ensures precise bearing preload and secure hub fastening
- High-strength alloy steel for maximum durability
- Provides excellent resistance to vibration and heavy axle loads
Product Specifications
| GROUP | MODEL | REF. PART NUMBER | SPECIFICATIONS |
|---|---|---|---|
| 11.034 | 3128, 2523, 2528 | Axle Locknut – M80 × 1.5 OS – Oversize Rear Axle Nut |
Process Steps
- Install hub and bearing assembly onto the axle spindle.
- Thread the Oversize M80 × 1.5 OS locknut onto the spindle by hand.
- Tighten using OEM torque specifications to set the correct bearing preload.
- Lock the nut in place using manufacturer-approved locking methods.
- Rotate the hub to check for smooth rotation and correct tension.
- Reassemble axle components and verify sealing and load alignment.
FAQ
What does "OS" mean in this locknut?
It stands for Oversize—designed for spindles with slight thread wear to ensure proper tightening.
When should the OS locknut be used?
When the spindle threads show minor wear and a standard M80 nut does not fit tightly.
