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The Meritor Drum Brake Shoe is used within heavy-duty drum brake assemblies to convert braking input into controlled wheel deceleration. During braking, the shoe moves outward inside the drum, pressing the friction lining against the rotating surface to slow vehicle motion through contact resistance. This interaction depends on proper shoe geometry and consistent lining engagement to keep braking response stable across repeated stops. The Meritor A3222K2169 is built to align with brake system layouts that use the Q Plus brake architecture, ensuring correct placement and interaction with existing drum and hardware components. Replacement of worn shoes restores braking behavior without disturbing axle or drum positioning.
| VMRS Code | 013-002-012 |
| Application Information | Meritor Q Plus; Rear drive axle |
| Brake Diameter | 16.50 in. |
| Brake Shoe Repair Kit | KIT 8000HD |
| Brake Shoe Width | 8.625 in. |
| Brake Type | Q Plus |
| Brand | Meritor Genuine |
| FMSI | 4711 |
| Friction Type | Unlined |
| Lining Number | Unlined |
| Lining Weight Rating | NA |
| Oe Mfg. | Meritor |
| Pallet Quantity | 63 |
| Rivet Hole Count | 28 |
| Rivet Number | RV3109S |
| Rivet Size | 0.25 in. |
| Weight | 13.90 |
| Brand | Part Number |
|---|---|
| TDAA3222K2169, KM5325 |
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