4451036050 Toyota ACTUATOR ASSY, BRAKE, Price: 1150.49$, Weight: 3.946kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
4451036050 |
ACTUATOR ASSY, BRAKE |
0 |
3.946 |
|
1150.49$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Toyota |
ACTUATOR ASSY, BRAKE
|
0 |
4.538
|
-
|
958.74$
|
Not Available |
Compatibility
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| BB4#,5#,BZB40,50,HDB5#,HZB4#,5#,XZB4#,5# | BZB50-ZRMNC | ATM,MTM: MANUAL TRANSMISSION; Seating Capacity: 29-SEATER; Building Condition: COMPLETELY BUILT UNIT; Roof: HIGH-ROOF; Rear Tire: DOUBLE TIRE; Grade: LX TYPE; Fuel Induction: LPG TYPE; Gear Shift Type: MTM, 5-SPEED FLOOR SHIFT; Engine: (1BZFPE) 4100CC LPG | 03.2002 - 12.2016 | View |
Brake Actuator Assembly (Hydraulic Control Unit)
This brake actuator assembly is the brain and muscle behind modern ABS/traction/stability braking. It is needed to control brake fluid pressure faster and more precisely than a driver can do with the pedal. In everyday driving it keeps stops stable, helps maintain steering control on slippery roads, and supports emergency braking performance 🚗💨.
How It Works
Inside the unit, an electric motor/pump and solenoid valves manage hydraulic pressure to each brake circuit. When a wheel is about to lock, the actuator rapidly releases and reapplies pressure many times per second. It also balances pressure during traction and stability events, helping the car track straight and reduce wheel slip.
Why This Part Fails & What You’ll Notice
If the actuator is worn or damaged, the system can’t modulate pressure correctly. You may see ABS/DSC lights, feel a hard or inconsistent pedal, or hear the pump running too long. In some cases braking distance increases on wet roads, and the vehicle may pull during hard stops ⚠️.
What Happens If You Keep Driving With a Bad Unit
ABS/traction functions may disable, leaving only basic hydraulic braking. That means more wheel lock risk, less control while braking in a turn, and higher stress on the master cylinder and pump circuit.
Compatibility
- Mx-5 Miata