44500-47140 | Genuine Toyota® Prius ABS Brake Pump Actuator Assembly 2005–2009 OEM
Brand: Genuine Toyota®
Manufacturer: Toyota Motor Corporation
OEM Part Number: 44500-47140
Replacement / Superseding Part Number: 44500-47141
Part Type: ABS Brake Actuator Assembly
Also Known As: ABS Brake Pump / Hydraulic Brake Modulator / Brake Actuator
Vehicle Application: Toyota Prius
Model Years: 2005–2009 (Verify VIN and Production Date)
Engine: 1.5L 4-Cylinder Hybrid (1NZ-FXE)
Generation: Second Generation 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, part number 44500-47140, designed for compatible second-generation Toyota Prius hybrid vehicles.
This assembly is an important component of the Prius electronically controlled hydraulic braking system.
It helps regulate hydraulic brake pressure and coordinates with the vehicle\'s electronic brake control system to support normal braking, anti-lock braking, traction control, and regenerative braking functions.
The actuator is designed to work with the vehicle\'s factory-installed hybrid braking system.
This listing is for one Genuine Toyota ABS Brake Actuator Assembly, part number 44500-47140, as shown in the photographs.
VEHICLE FITMENTToyota Prius — 2005–2009
Potential compatible applications include:
Engine: 1.5L Hybrid
Engine Code: 1NZ-FXE
Generation: Second Generation Prius (NHW20)
IMPORTANT FITMENT INFORMATION
Not every Toyota Prius manufactured between 2004 and 2009 uses the same ABS brake actuator.
Earlier second-generation Prius vehicles may use different hydraulic actuator assemblies, including the 44500-47090 family.
2004 Prius fitment is not confirmed for part number 44500-47140.
Please verify the original part number, production date, and vehicle VIN before purchasing.
OEM PART NUMBER INFORMATION
Primary Toyota OEM Part Replacement / Superseding Part Number parts catalogs identify 44500-47141 as the replacement for 44500-47140.
Other Toyota brake actuator part numbers may look similar but are not necessarily interchangeable.
Please compare the complete original part number before ordering.
KEY FEATURES
Genuine Toyota OEM ABS brake actuator assembly
Designed for compatible second-generation Prius controlled hydraulic braking component
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 line connections
OEM replacement when correctly matched to the vehicle
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 ABS 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 vehicle\'s hybrid control system to coordinate hydraulic braking with regenerative braking.
4. Traction Control
Supports electronic traction control functions through controlled braking intervention.
5. Vehicle Stability Control
Supports stability control braking functions where equipped.
6. Brake Pressure Management
Works with the vehicle\'s electronic brake control system to manage hydraulic pressure.
COMMON SYMPTOMS OF A FAULTY ABS BRAKE ACTUATOR
A defective 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 diagnostic trouble codes do not automatically confirm that the ABS actuator is defective.
Professional diagnosis is recommended before replacing the assembly.
CONDITION & INCLUDED COMPONENTS
Genuine Toyota OEM ABS Brake Actuator Assembly
Please inspect all listing photographs for:
Hydraulic actuator assembly
ABS pump and motor components
Brake line connection ports
Electrical connectors
Mounting points
OEM part number markings
Overall cosmetic condition
Included accessories
Only the components shown in the listing photographs are included.
External brake lines, mounting brackets, separate electronic modules, and additional accessories are included only if specifically pictured.
No claim of operational testing, factory restoration, or remanufacturing 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 the electronically controlled hydraulic braking system.
Installation may include:
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
Checking for brake fluid leaks
Final brake system inspection
Toyota Techstream or another fully compatible diagnostic system may be required to complete the 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 can result in injury or damage to the braking system.
Follow Toyota\'s factory-approved brake system depressurization, installation, and bleeding procedures.
Do not drive the vehicle until the brake 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 part number
Photograph of the original component label, if available
The VIN and original part number help determine correct compatibility.
BUYER INFORMATION
Before purchasing, please verify:
OEM Part Number: 44500-47140
Replacement Part Number: 44500-47141
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 production date, original brake system configuration, and factory equipment.
Buyer is responsible for confirming correct compatibility before purchasing.
TOYOTA OEM PART NUMBER: 44500-47140
REPLACEMENT PART NUMBER: 44500-47141
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