44510-47051 | Genuine Toyota® Prius ABS Brake Pump Actuator Assembly 2004–2009 OEM
Brand: Genuine Toyota®
Manufacturer: Toyota Motor Corporation
Part Identification Number: 44510-47051
Part Type: ABS Brake Pump Actuator Assembly
Also Known As: ABS Hydraulic Brake Actuator / Brake Pressure Modulator
Vehicle Application: Toyota Prius
Model Years: 2004–2009 (Verify Fitment)
Engine: 1.5L 4-Cylinder Hybrid (1NZ-FXE)
Generation: Second Generation Toyota Prius (NHW20)
Condition: Genuine OEM – Please review all photographs for exact condition and included components.
PRODUCT OVERVIEW
Genuine OEM Toyota Prius ABS Anti-Lock Brake Pump Actuator Assembly, identified by number 44510-47051, for compatible second-generation Toyota Prius hybrid vehicles.
This assembly is an important component of the vehicle\'s electronically controlled hydraulic braking system.
The ABS brake actuator helps regulate hydraulic brake pressure and works with the vehicle\'s electronic brake control system to support normal braking, anti-lock braking, traction control, and regenerative braking coordination.
This listing is for one Toyota Prius ABS Brake Actuator Assembly, identified by number 44510-47051, as shown in the photographs.
VEHICLE FITMENTToyota Prius — 2004–2009
Potential applications include:
2004 Toyota Prius — Verify original actuator configuration
2005 Toyota Prius — Verify original actuator configuration
2006 Toyota Prius — Verify VIN and original part number
2007 Toyota Prius — Verify VIN and original part number
2008 Toyota Prius — Verify VIN and original part number
2009 Toyota Prius — Verify VIN and original part number
Engine: 1.5L Hybrid
Engine Code: 1NZ-FXE
Generation: Second Generation Prius (NHW20)
IMPORTANT FITMENT INFORMATION
Toyota used different ABS brake actuator configurations during the 2004–2009 Prius production period.
Earlier and later brake actuator assemblies are not automatically interchangeable.
Please confirm compatibility using the vehicle VIN, original Toyota service part number, and the identification number printed on the existing assembly.
Model year alone does not guarantee fitment.
PART NUMBER INFORMATION
Identification Toyota Service Part Numbers for This Vehicle are related brake actuator part numbers used within the second-generation Prius family.
They are not all confirmed interchangeable.
Number 44510-47051 may be a component or engineering identification number rather than the complete Toyota service part number.
Please verify the correct replacement using your VIN and Toyota parts information.
KEY FEATURES
Genuine Toyota OEM brake actuator controlled hydraulic braking component
Designed for compatible second-generation Prius applications
Supports Anti-Lock Braking System (ABS)
Supports traction control operation
Supports vehicle stability control where equipped
Coordinates hydraulic and regenerative braking
Factory-style electrical connectors
Original equipment hydraulic brake connections
Replacement for correctly matched factory equipment
WHAT DOES THE ABS BRAKE ACTUATOR DO?
The Toyota Prius uses an electronically controlled braking system that combines hydraulic braking with hybrid regenerative braking.
The brake actuator performs several important functions.
1. Hydraulic Brake Pressure Regulation
Controls hydraulic brake pressure according to braking system commands.
2. Anti-Lock Braking System (ABS)
Helps prevent wheel lockup during certain braking conditions.
3. Regenerative Braking Coordination
Works with the hybrid braking system to coordinate hydraulic braking with regenerative braking.
4. Traction Control
Supports electronic traction control through controlled braking intervention.
5. Vehicle Stability Control
Supports vehicle stability functions where equipped.
6. Brake System Pressure Management
Works with the electronic brake control system to manage hydraulic brake pressure.
COMMON SYMPTOMS OF A FAULTY ABS BRAKE ACTUATOR
A malfunctioning Toyota Prius brake actuator may contribute to:
ABS warning light illuminated
Red brake warning light
VSC warning light
Traction control warning light
Brake system warning buzzer
Frequent brake pump operation
Unusual brake actuator noises
Changes in brake pedal feel
Reduced braking assistance
Hydraulic brake pressure problems
ABS system malfunction
Brake actuator diagnostic trouble codes
Common Related Diagnostic Trouble Codes
Depending on the vehicle and diagnosed fault:
C1252 — Brake booster pump-related fault
C1253 — Pump motor relay-related fault
C1256 — Accumulator low-pressure fault
C1391 — Abnormal accumulator pressure leakage
Important: These codes do not automatically confirm a defective brake actuator. Proper diagnosis is required before replacement.
CONDITION & INCLUDED COMPONENTS
Genuine Toyota OEM ABS Brake Actuator Assembly
Please inspect all listing photographs for:
Hydraulic actuator housing
ABS pump and motor components, where integrated
Brake line connection ports
Electrical connectors
Mounting points
Toyota identification markings
Overall cosmetic condition
Included accessories
Only the components shown in the listing photographs are included.
External brake lines, brackets, separate electronic modules, and additional accessories are included only if specifically pictured.
No claim of operational testing, remanufacturing, or factory restoration is made unless separately confirmed.
INSTALLATION & CALIBRATION REQUIREMENTSIMPORTANT — SPECIALIZED BRAKE SYSTEM SERVICE MAY BE REQUIRED
Replacing the Toyota Prius ABS brake actuator requires proper service procedures for its electronically controlled hydraulic braking system.
Installation may require:
Toyota Techstream diagnostic equipment
ABS brake actuator brake control system setup
Specialized hydraulic brake bleeding
Clearing diagnostic trouble codes
Brake system calibration
Hydraulic pressure verification
Inspection for brake fluid leaks
Final brake system inspection
Toyota Techstream or another fully compatible diagnostic system may be required to complete installation and bleeding procedures.
This assembly is not guaranteed to be plug-and-play.
Professional installation by a qualified Toyota hybrid brake technician is strongly recommended.
IMPORTANT BRAKE SYSTEM SAFETY INFORMATION
The Toyota Prius braking system can retain significant hydraulic pressure even when the vehicle is turned off.
Improper removal or installation may cause injury or damage to the braking system.
Follow Toyota\'s approved brake system depressurization, installation, and bleeding procedures.
Do not drive the vehicle until the braking system has been properly installed, bled, inspected, and verified for safe operation.
VIN VERIFICATIONVIN REQUESTED BEFORE SHIPPING
Please provide your 17-digit Vehicle Identification Number (VIN) after purchase.
For compatibility assistance, please provide:
Vehicle VIN
Vehicle model year
Vehicle production date, if available
Original ABS actuator service part number
Original actuator identification number
Photograph of the original component label, if available
The VIN and original part number are important for confirming compatibility.
BUYER INFORMATION
Before purchasing, please verify:
Identification Number: 44510-47051
Vehicle model year
Vehicle production date
Original brake actuator configuration
Electrical connector design
Hydraulic brake line port arrangement
Mounting points
Included components
Installation and bleeding requirements
Vehicle model year alone does not guarantee compatibility.
FITMENT ASSISTANCE
Not sure whether this ABS brake actuator fits your Toyota Prius?
Send us your VIN and the part number from your original brake actuator.
We will help check compatibility before you purchase.
IMPORTANT FITMENT DISCLAIMER
Compatibility may vary depending on vehicle production date, original brake system configuration, and factory equipment.
Buyer is responsible for confirming correct compatibility before purchasing.
TOYOTA IDENTIFICATION NUMBER: 44510-47051
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