490-8818 319.44 mm OD Service Brake Piston
Cat® Front Axle Service Brake Piston Generates Friction to Produce the Necessary Braking Force
Description
The Cat brake piston is an important component of the brake system in the powertrain of Cat machines, slowing the machine, stopping it, or holding it stationary.
Features
- Material: Cast iron
- Outside Diameter: 319.44 mm (12.576 in)
- Inside Diameter: 252 mm (9.921 in)
- Width: 47.16 mm (1.856 in)
Applications
The brake piston is used in the Cat powertrain brake system. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Material Description | Cast iron |
|---|---|
| Outside Diameter | 319.44 mm (12.576 in) |
| Inside Diameter | 252 mm (9.921 in) |
| Width | 47.16 mm (1.856 in) |
Compatible Equipment
- Off-Highway Trucks: 725C2, 725, 730, 735
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |








