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Audi A4 Allroad Wheel Bearing Assemblys

Audi A4 Allroad Wheel bearing assemblys

Wheel bearing assemblies for your Audi A4 Allroad start at $265.95, and AutoBuffy stocks 1 options from MOOG. A wheel bearing assembly lets your wheel spin smoothly on the axle with minimal friction. When it fails, it puts dangerous stress on the hub, ABS sensor, and suspension — and left alone, a worn bearing can cause a wheel to seize.

Signs your Audi A4 Allroad needs a new wheel bearing assembly

  • Grinding, growling, or humming noise that changes pitch when you turn left or right at highway speed
  • Vibration in the steering wheel or floorboard that worsens as vehicle speed increases
  • Loose or vague steering feel caused by excessive play in the hub
  • ABS warning light triggered by a damaged integrated wheel speed sensor in the bearing unit
  • Uneven or accelerated tire wear on the side with the failing bearing
  • Clunking or knocking sound over bumps or during cornering as the bearing shifts under load

Which wheel bearing assembly should you buy for your Audi A4 Allroad?

Most modern vehicles use a pre-packed, sealed hub bearing assembly — also called a Generation 3 hub unit — that replaces as a complete unit with no repacking required. Your main decisions are grade (economy vs. OE-equivalent vs. premium), whether the unit includes an integrated ABS reluctor ring, and whether you need a front or rear position. Confirm the bolt pattern, ABS sensor port style, and whether your application is driven or non-driven before ordering.

Economy / Value Grade
Best for
High-mileage vehicles or short-term budget repairs
What you get
Meets baseline fit and function; shorter rated service life; suitable when resale value doesn't justify a premium part
OE-Equivalent Grade
Best for
Daily drivers needing reliable, long-lasting repair
What you get
Matches original specifications for load rating, ABS sensor accuracy, and seal quality; most popular choice
Premium / Performance Grade
Best for
Vehicles used for towing, hauling, or spirited driving
What you get
Higher radial and axial load ratings, upgraded seals, tighter tolerances; longest expected service life
Integrated Hub & ABS Sensor Assembly
Best for
Vehicles with factory ABS where the speed sensor is built into the bearing
What you get
Replaces bearing and wheel speed sensor in one unit; restores ABS function without separate sensor purchase

Wheel bearing assemblys brands we stock for your Audi A4 Allroad

MOOG
1 option · from $265.95

Replacing a wheel bearing assembly on a Audi A4 Allroad

Moderate1–2 hours per cornerFloor jack and jack standsBreaker bar and socket set (metric and SAE)Torque wrenchHub nut socket (large spindle nut socket specific to your application)Rubber mallet or dead-blow hammer

The hub bearing assembly bolts to the steering knuckle, typically with three or four bolts accessible from behind the knuckle, plus a large center spindle nut on driven axles. After removing the brake rotor and caliper, you unbolt the old unit, transfer any brake hardware, seat the new assembly, and torque all fasteners to the manufacturer's specification. On driven axles, the spindle nut must be tightened to spec and staked or cotter-pinned as required — under-torquing that nut is a leading cause of premature bearing failure.

Frequently asked questions

How much does it cost to replace wheel bearing assemblies on a Audi A4 Allroad?
Parts alone start at $265.95 for a Audi A4 Allroad wheel bearing assembly at AutoBuffy. A complete repair including professional labor typically runs more, since front driven-axle bearings require press or hub-nut work. Buying the part yourself and supplying it to a shop is a common way to reduce total cost.
How long does a wheel bearing assembly last on a Audi A4 Allroad?
Most sealed hub bearing assemblies last anywhere from 85,000 to 150,000 miles under normal conditions. Vehicles regularly driven on rough roads, through standing water, or under heavy loads tend to wear bearings faster. A grinding noise that changes tone during lane changes is usually the first reliable sign replacement is due.
Can I drive my Audi A4 Allroad with a bad wheel bearing?
You should not drive any significant distance on a failing wheel bearing. A worn bearing generates heat, and heat accelerates the failure. In severe cases the bearing can seize, lock the wheel, or cause the hub to separate from the knuckle — any of which can result in loss of vehicle control.
How do I know which corner of my Audi A4 Allroad has the bad bearing?
Safely jack each corner and grab the tire at 12 and 6 o'clock, then at 9 and 3 o'clock, rocking firmly. Noticeable play or a rough, grinding feel when spinning the wheel by hand indicates that bearing. The noise method also helps: a growl that worsens when you load the left side (turn right) points to the left bearing.
Does replacing a wheel bearing assembly on a Audi A4 Allroad require an alignment afterward?
Replacing only the hub bearing assembly — without disturbing tie rods, control arms, or struts — generally does not require a full alignment. However, if the knuckle was removed or suspension fasteners were loosened during the repair, a post-service alignment check is a reasonable precaution to protect tire wear.
Is it better to replace wheel bearing assemblies in pairs on a Audi A4 Allroad?
Replacing in pairs is not mandatory the way it often is for shocks or brakes, since wheel bearings are independent units. However, if both sides have similar mileage and one has failed, replacing the opposite side at the same service visit saves future labor cost and keeps handling balanced.

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