Centric 903.33021 Disc Brake Kit - Front and Rear
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 Centric OE Plus - 4 Wheel Disc Brake Kits

Centric 903.33021 Disc Brake Kit - Front and Rear

Brand Centric 903.33021
Position Front and Rear
Product line Centric OE Plus - 4 Wheel Disc Brake Kits
Fits Audi · 5 vehicles

OE Plus upgrade. Delivers better stopping performance than the OE brake system.

Quiet braking. Posi-Quiet pads help keep wheels cleaner while stopping smoothly.

Precision-machined rotors. Double disc ground to precise specs for like-new performance.

$278.99Free shipping
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Centric OE Plus Brake Kit for Audi A6 Quattro

Centric OE Plus brake kits combine premium Posi-Quiet pads with C-TEK rotors to restore smooth, quiet braking performance with a direct OE-style service solution. Part number 903.33021 is built for 1998-2001 Audi A6 Quattro applications with front and rear disc brake coverage listed below.

Key Features

  • Centric OE Plus 4 wheel disc brake kit for front and rear service
  • Posi-Quiet brake pads for quiet operation and long service life
  • C-TEK rotors machined and double disc ground to precise specifications
  • OE-style braking upgrade for 1998-2001 Audi A6 Quattro fitments
  • Helps maintain clean wheels with low-dust pad performance
  • Part number 903.33021 for application-specific ordering

Product Details

Centric OE Plus is the brand line for drivers who want a straightforward brake refresh without moving away from OE-style performance. This kit pairs Centric’s Posi-Quiet pads with C-TEK rotors to deliver smooth pedal response, controlled stopping, and quiet operation. For Audi A6 Quattro owners, 903.33021 supports front and rear brake service on the listed 1998-2001 vehicles, including 15-inch wheel applications and the fitment notes shown below.

Fits 1998 Audi A6 Quattro, front and rear. Fits 1999 Audi A6 Quattro, front and rear. Fits 1999-2001 Audi A6 Quattro, front and rear.

Common Brake Issues This Kit Addresses

  • Brake noise during everyday driving
  • Rotor wear that affects pedal smoothness
  • Reduced stopping consistency from worn pads and discs
  • Brake dust buildup on wheels
  • OE brake performance that no longer feels responsive

Installation Notes and Tips

Verify wheel size and the fitment notes before ordering, especially the 15-inch wheel requirement and the listed production breakpoints for 1999-2001 Audi A6 Quattro models. Confirm front and rear brake configuration against the vehicle’s build details before installation. Follow proper brake service procedures, including cleaning hub surfaces and bedding in new pads and rotors according to standard brake service practice.

Quality Assurance

Centric OE Plus brake kits are assembled from Centric’s Posi-Quiet pads and C-TEK rotors, with rotors machined and double disc ground to precise specifications for consistent service fit and finish. Part number 903.33021 is engineered as a direct OE-style brake service solution for the listed Audi A6 Quattro applications.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001AudiA6 Quattro2.8LV6Front and Rear15" Wheels; Fr 6/99; Fr Ch# 4B-X-130 001; Front Pack - 907.33007 - (1 x 104.08400 Front Pads - 2 x 121.33039 Front Discs); Rear Pack - 907.33517 - (1 x 105.03400 Rear Pads - 2 x 121.33058 Rear Discs); Centric OE Plus - 4 Wheel Disc Brake Kits
2000AudiA6 Quattro2.8LV6Front and Rear15" Wheels; Fr 6/99; Fr Ch# 4B-X-130 001; Front Pack - 907.33007 - (1 x 104.08400 Front Pads - 2 x 121.33039 Front Discs); Rear Pack - 907.33517 - (1 x 105.03400 Rear Pads - 2 x 121.33058 Rear Discs); Centric OE Plus - 4 Wheel Disc Brake Kits
1999AudiA6 Quattro——Front and Rear15" Wheels; Fr 6/99; Fr Ch# 4B-X-130 001; Front Pack - 907.33007 - (1 x 104.08400 Front Pads - 2 x 121.33039 Front Discs); Rear Pack - 907.33517 - (1 x 105.03400 Rear Pads - 2 x 121.33058 Rear Discs); Centric OE Plus - 4 Wheel Disc Brake Kits
1999AudiA6 Quattro——Front and Rear15" Wheels & AHA Eng; Front Pack - 907.33007 - (1 x 104.08400 Front Pads - 2 x 121.33039 Front Discs); Rear Pack - 907.33517 - (1 x 105.03400 Rear Pads - 2 x 121.33058 Rear Discs); To # 4B-X-130 000; To 6/99; Centric OE Plus - 4 Wheel Disc Brake Kits
1998AudiA6 Quattro——Front and Rear15" Wheels; Front Pack - 907.33007 - (1 x 104.08400 Front Pads - 2 x 121.33039 Front Discs); Rear Pack - 907.33517 - (1 x 105.03400 Rear Pads - 2 x 121.33058 Rear Discs); To # 4B-X-130 000; To 6/99; Centric OE Plus - 4 Wheel Disc Brake Kits