Description
Genuine Lexus OEM ABS Brake Actuator Pump Assembly
Genuine OEM Lexus/Toyota ABS brake actuator, anti-lock brake hydraulic pump and control assembly, part number 44510-30260.
This assembly is part of the vehicle’s factory ABS, traction-control and stability-control braking system.
OEM Part Number
44510-30260
Also written as:
- 4451030260
- 44510 30260
- 44510-30260
Complete Assembly Reference
44050-30260
Updated / Superseding Lexus Part Number
44050-30670
The original 44050-30260 complete brake actuator assembly was superseded by Lexus with 44050-30670.
Vehicle Fitment
Fits select:
Lexus GS300
- 2006 Lexus GS300
Lexus GS350
- 2007 Lexus GS350
- 2008 Lexus GS350
- 2009 Lexus GS350
- 2010 Lexus GS350
- 2011 Lexus GS350
Lexus GS430
- 2006 Lexus GS430
- 2007 Lexus GS430
Lexus GS450h
- 2007 Lexus GS450h
- 2008 Lexus GS450h
- 2009 Lexus GS450h
- 2010 Lexus GS450h
- 2011 Lexus GS450h
Lexus GS460
- 2008 Lexus GS460
- 2009 Lexus GS460
- 2010 Lexus GS460
- 2011 Lexus GS460
Factory Lexus catalog information associates the 44050-30260 brake-actuator assembly with these GS-series applications.
Important Fitment Information
Lexus used multiple ABS actuator and brake-pump revisions during these model years.
Units may appear physically identical while containing different internal electronics or hydraulic configurations.
Please verify:
- Part number
- Electrical connectors
- Hydraulic brake-line connections
- Vehicle year
- Vehicle model
- ABS/VSC system configuration
before ordering.
Exact Number
44510-30260
Exact part-number matching is strongly recommended.
Brake System Functions
The ABS brake actuator assembly works with several factory safety systems including:
- Anti-Lock Braking System β ABS
- Vehicle Stability Control β VSC
- Traction Control
- Electronic Brake Force Distribution
- Hydraulic brake pressure control
- Brake assist functions
- Wheel-slip control
Operation varies according to the vehicle’s original equipment and braking-system configuration.
Common Failure Symptoms
A failing ABS brake actuator may cause symptoms including:
- ABS warning light
- VSC warning light
- Brake warning light
- Check VSC message
- ABS pump running excessively
- Repeated buzzing or pumping noises
- Brake pressure problems
- Hard or unusual brake pedal feel
- Traction-control warning lights
- ABS diagnostic trouble codes
- Stability-control faults
- Hydraulic pressure-related fault codes
Proper diagnosis is recommended before replacing any braking-system component.
Condition
Used Genuine OEM Lexus / Toyota Part
This is an original previously installed factory component.
Normal signs of previous use may include:
- Surface marks
- Light scratches
- Dust
- Installation marks
- Label wear
- Minor oxidation
- Normal cosmetic wear
Please inspect all product photographs carefully for exact condition.
You will receive the actual unit shown in the listing photographs.
ABS Pump and Actuator Assembly
This assembly contains hydraulic and electronic components responsible for controlling brake pressure during ABS and stability-control operation.
The unit includes the factory hydraulic actuator/pump assembly shown in the product photographs.
Only items physically shown in the listing photos are included.
Installation
Professional installation is strongly recommended because this component is part of the vehicle’s hydraulic braking system.
Installation may require:
- Brake-system bleeding
- ABS actuator bleeding procedure
- Diagnostic scan tool
- ABS/VSC initialization
- Calibration procedures
- Clearing diagnostic trouble codes
The braking system should be properly bled and inspected after installation.
Calibration
After replacement, compatible Lexus diagnostic equipment may be required to complete ABS/VSC initialization and calibration procedures.
Brake-system calibration and bleeding should be performed according to the vehicle manufacturer’s service procedures.
Part Number Verification
Please compare the identification number on your original assembly with:
44510-30260
Related complete-assembly number:
44050-30260
Updated Lexus replacement:
44050-30670
The physical number and vehicle application should be verified before installation.
What Is Included
1 Γ Genuine Lexus ABS Brake Actuator / Pump Assembly
Part Number: 44510-30260
Only components physically shown in the product photographs are included.
Brake lines, mounting hardware, wiring harnesses and other vehicle components are not included unless pictured.
Warranty
Covered by the Ozβs Garage 30-Day Replacement Warranty.
Warranty does not cover damage caused by:
- Incorrect vehicle application
- Improper installation
- Contaminated brake fluid
- Incorrect bleeding procedure
- Electrical shorts
- Wiring problems
- Collision damage
- Water intrusion
- Modification
- Tampering
- Physical damage after delivery
Labor, installation, diagnostic, programming, calibration, brake-fluid and related vehicle expenses are not covered.
Shipping
The ABS actuator assembly will be carefully packaged to help protect the:
- Hydraulic pump
- Actuator body
- Electronic components
- Electrical connectors
- Brake-line ports
- Mounting points
during transportation.
Usually ships within 1β2 business days.
π Worldwide shipping available.
International buyers are responsible for applicable customs duties, import taxes, brokerage charges and other local fees.
Why Buy From Ozβs Garage?
- Genuine OEM automotive parts
- Hard-to-find factory components
- Original Lexus / Toyota parts
- 30-Day Replacement Warranty
- Worldwide shipping available
- Usually ships within 1β2 business days









