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Wagner Brake ZX899A Disc Brake Pad Set - Rear
Rear Brake Pads for Mercury Cougar
Wagner Brake QuickStop ZX899A disc brake pad set is built for rear brake service on 1999-2002 Mercury Cougar models. It uses a semi-metallic friction material with slotted, chamfered pads and included shims to help restore consistent braking response and reduce vibration-related noise.
The QuickStop line focuses on OE-style replacement performance for everyday driving. For the Mercury Cougar rear brake application, ZX899A is engineered with a 100% post-cure process to promote even friction behavior across the pad life.
Key Features
- Fits 1999-2002 Mercury Cougar, rear
- Semi-metallic friction material
- Slotted design for controlled pad surface behavior
- Chamfered edges to help reduce noise
- Pad shims included
- Pad wear sensor not included
- Outer and inner friction material thickness: 0.583
- FMSI number: 7780-D899
Detailed Product Overview
Wagner Brake ZX899A is a rear disc brake pad set for the Mercury Cougar that matches the OE pad material note for this application: semi-metallic. The QuickStop formulation is designed and tested to restore like-new braking performance, while the post-cure process helps maintain more even friction characteristics over time. Slotted faces, chamfered edges, and included shims are used to support quieter operation and stable pedal feel in normal street use. This part number, ZX899A, also cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.
Common Brake Issues It May Address
- Squealing or vibration during braking
- Reduced rear brake response
- Uneven pad wear on the rear axle
- Brake noise caused by pad vibration
- Loss of consistent friction performance over time
Installation Notes and Tips
Verify rear fitment by year and application before installation. This pad set is for Mercury Cougar rear brake service and does not include a pad wear sensor. Inspect rotors, caliper condition, and mounting surfaces before installing new pads, and confirm the pad shape matches FMSI 7780-D899. The part number ZX899A should be matched to the vehicle’s rear brake configuration and OE pad material note.
Quality Assurance
Wagner Brake QuickStop pads are developed and tested to restore OE-style braking performance. The 100% post-cure process is used to promote even friction behavior throughout pad life, and the pad design is engineered to reduce noise-causing vibration.
| Brand | Wagner Brake |
|---|---|
| Part Number | ZX899A |
| Position | QuickStop, Rear |
| Outer Pad Friction Material Thickness | 0.583 |
| Pad Wear Sensor Included | No |
| Slotted | Yes |
| Friction Material Composition | Semi-metallic |
| Pad Shims Included | Yes |
| Inner Pad Friction Material Thickness | 0.583 |
| Abutment Clips Included | No |
| Chamfered Edges | Yes |
| FMSI Number | 7780-d899 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Mercury | Cougar | Rear | OE Pad Material is Semi-Metallic; without Electronic Disc Brake Pad Wear Sensor(s); QuickStop |
| 2001 | Mercury | Cougar | Rear | OE Pad Material is Semi-Metallic; without Electronic Disc Brake Pad Wear Sensor(s); QuickStop |
| 2000 | Mercury | Cougar | Rear | OE Pad Material is Semi-Metallic; without Electronic Disc Brake Pad Wear Sensor(s); QuickStop |
| 1999 | Mercury | Cougar | Rear | OE Pad Material is Semi-Metallic; without Electronic Disc Brake Pad Wear Sensor(s); QuickStop |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.