ABS 200073 Wheel Hubs

ABS 200073 Wheel Hub

The ABS 200073 Wheel Hub is a high‑performance component designed to replace the original wheel hubs on a range of Audi and Seat vehicles, including the A4, B6, B7, S4, EXEO, and EXEO ST models. It serves as the central mounting point for the wheel assembly, integrating the bearing system that allows the wheel to rotate smoothly while supporting the vehicle’s weight.

Key Features

• Precision Engineering: Manufactured with tight tolerances to ensure a perfect fit on the rear axle.
• Durable Construction: Made from high‑strength alloy steel that resists corrosion and fatigue under heavy loads.
• Integrated Bearing Kit: Comes pre‑assembled with a full set of bearings, seals, and grease for immediate installation.
• Compatibility: Designed to match the original mounting points and bolt patterns of the specified Audi/Seat models.
• Weight Reduction: Lightweight design improves overall vehicle dynamics and fuel efficiency.

Design & Materials

The hub’s architecture features a robust flange that mates directly with the rear axle shaft. The inner race of the bearing assembly is engineered to accommodate high radial loads, while the outer race interfaces seamlessly with the wheel rim. All components are fabricated from high‑strength alloy steel, then heat‑treated and surface‑coated to provide long‑lasting protection against rust and wear.

The integrated bearing kit includes:

• Three high‑precision ball bearings that support both radial and axial forces.
• Sealed grease fittings for easy lubrication during maintenance.
• Pre‑applied grease to ensure optimal performance from the moment of installation.

Vehicle Compatibility

The ABS 200073 Wheel Hub is engineered for rear axle applications on a variety of Audi and Seat models. The following list outlines the primary vehicles for which this hub is a direct replacement:

• Audi A4 (B6, B7, 8H7)
• Audi S4 (B6, B7)
• Seat Exeo (standard and ST variants)
• Seat A4 (B6, B7, Avant, Cabriolet)

All models share the same rear axle bolt pattern and mounting geometry, ensuring a seamless fit without the need for additional adapters or modifications.

Installation Overview

1. Preparation: Remove the existing wheel hub by loosening the axle nut, disconnecting the brake caliper, and removing the wheel assembly. Drain any fluid from the bearing housing if present.
2. Alignment: Position the new hub onto the rear axle shaft, aligning the mounting flange with the original bolt holes.
3. Securing: Tighten the axle nut to the manufacturer’s specified torque using a calibrated torque wrench. Ensure that the wheel is properly seated on the hub before final tightening.
4. Brake System: Reinstall the brake caliper and any associated hardware, verifying that all components are correctly aligned.
5. Wheel Installation: Mount the wheel onto the new hub, secure it with lug nuts, and torque to specification.

Because the bearing kit is pre‑assembled, no additional greasing or seal installation is required during the initial setup. However, routine checks are recommended as part of regular vehicle maintenance.

Maintenance Guidelines

• Periodic Inspection: Check for any signs of wear on the bearing seals and ensure that grease remains within the recommended range.
• Brake System Checks: Inspect brake pads, rotors, and calipers for uniform wear to prevent uneven loading on the hub.
• Wheel Alignment: Perform alignment checks after any major repair or component replacement to maintain optimal handling characteristics.

Performance Benefits

The ABS 200073 Wheel Hub delivers several tangible advantages over stock components:

• Improved Ride Comfort: The high‑quality bearings reduce vibration and noise, providing a smoother driving experience.
• Enhanced Durability: Superior material selection and construction extend the service life of the hub under demanding conditions.
• Optimized Handling: Precise tolerances maintain consistent wheel alignment, contributing to better steering response and stability.
• Weight Savings: The lightweight design reduces unsprung mass, which can improve acceleration, braking, and fuel efficiency.

Technical Specifications

Frequently Asked Questions

Is the hub compatible with front wheels?

No. The ABS 200073 Wheel Hub is specifically designed for rear axle applications on the listed Audi and Seat models.

Do I need to replace the brake rotors when installing this hub?

Not necessarily, but it is recommended to inspect the rotors for wear. If they are unevenly worn or damaged, replacement should be considered.

Can I use aftermarket grease instead of the pre‑applied grease?

The hub comes with high‑quality pre‑applied grease that meets OEM specifications. Using a different grease may affect performance and longevity.

What is the expected lifespan of this hub under normal driving conditions?

With proper maintenance, the hub can last well beyond the typical replacement interval for stock components, often exceeding 100,000 km.

Conclusion

The ABS 200073 Wheel Hub represents a reliable and high‑performance upgrade for Audi and Seat vehicles that require rear axle support. Its precision engineering, durable construction, and integrated bearing kit make it an attractive choice for automotive enthusiasts and professionals alike who seek to maintain or improve vehicle handling, comfort, and longevity.