Quiet, low-dust front braking for your Cadillac or Pontiac. The Wagner QuickStop ZD921 Front Ceramic Disc Brake Pad Set is a direct-fit replacement for the listed applications: the 2003-2007 Cadillac CTS, 2005-2008 Cadillac STS, and 2005-2008 Pontiac Grand Prix (All engines). It is engineered to restore like-new stopping performance on the front axle.
- Ceramic friction: The zero-copper Wagner OE25 ceramic formulation runs low on dust, stays quiet, and gives a smooth, consistent pedal feel during everyday street driving.
- Even, quiet performance: A 100% post-cure process promotes even friction throughout the life of the pad, and the application-specific design helps reduce noise-causing vibration.
- Noise-reducing details: Slotted, chamfered pads with included shims and abutment clips help control vibration and squeal.
- Wear sensor & hardware: Includes a mechanical pad wear sensor; premium stainless-steel hardware and OE-style lubricant are included in most applications.
Wagner lists one set per application, covering the front axle. Replace the pads on both sides together as a matched set and inspect the rotors for balanced braking. Country of origin: United States.
Reference: FMSI 7822-D921 · Manufacturer part number ZD921
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Wagner ZD921 fit?
It fits the front axle of the 2003-2007 Cadillac CTS, 2005-2008 Cadillac STS, and 2005-2008 Pontiac Grand Prix (all engines). Please confirm fitment for your vehicle.
Are these ceramic brake pads?
Yes. The ZD921 uses a ceramic friction formulation (Wagner OE25 zero-copper) that runs low-dust and quiet with a smooth, consistent pedal feel for everyday street driving.
Is mounting hardware included?
The set includes shims, abutment clips, and a mechanical pad wear sensor. Premium stainless-steel hardware and OE-style lubricant are included in most applications.
How many sets do I need?
Wagner lists one set per application, covering the front axle. Replace the pads on both sides together as a matched set and inspect your rotors for even braking.
Where is the ZD921 made?
Country of origin: United States.
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