Description
Restore the original premium sound system in your Lexus GX470 with this genuine OEM Mark Levinson stereo component amplifier.
This factory amplifier is designed for GX470 vehicles equipped with the original 12-speaker Mark Levinson premium audio system. It processes and powers the factory speakers while communicating with the original Lexus radio and navigation equipment.
Product Details
- Genuine Lexus/Toyota OEM component
- Original Mark Levinson premium audio amplifier
- Manufacturer part number: 86280-0W140
- Compact part number: 862800W140
- Updated replacement number: 86280-0W141
- Component description: Amplifier Assembly, Stereo Component
- Factory system: Mark Levinson premium audio
- Speaker configuration: Factory 12-speaker system
- Vehicle platform: Lexus GX470 / UZJ120
- Engine application: 4.7L V8 2UZ-FE
- Country of manufacture: Japan
- Includes only the amplifier and components shown in the photographs
Vehicle Compatibility
Confirmed Original Application
- 2003 Lexus GX470 4.7L
- 2004 Lexus GX470 4.7L
For vehicles equipped with the factory Mark Levinson 12-speaker audio system.
Possible Supersession-Based Application
Lexus catalogs list updated amplifier 86280-0W141 for:
- 2003 Lexus GX470
- 2004 Lexus GX470
- 2005 Lexus GX470
- 2006 Lexus GX470
Because 86280-0W141 supersedes 86280-0W140, this original 0W140 unit is frequently marketed for 2003–2006 GX470 models. However, the safest direct application for the exact 0W140 number is 2003–2004.
Owners of a 2005 or 2006 GX470 should match the original amplifier number, connectors, audio equipment, and VIN before ordering.
Part Numbers
- 86280-0W140
- 862800W140
- Superseded by: 86280-0W141
- Compact supersession: 862800W141
Do not confuse this amplifier with:
- 86280-0W040
- 86280-0W041
- 86280-0W490
- Other visually similar Lexus Mark Levinson amplifiers
Amplifiers from other Lexus models may look similar or use similar connectors but can have different internal programming, DSP tuning, speaker outputs, CAN communication, or connector pinouts.
Important Audio-System Requirement
This amplifier is intended for vehicles equipped with the factory Mark Levinson 12-speaker system.
It is not intended for:
- Standard non-Mark Levinson audio systems
- Vehicles with aftermarket radios unless properly integrated
- Later GX470 systems requiring a different amplifier
- Lexus LX470 or LS430 applications unless independently verified
Common Failure Symptoms
A failing factory amplifier may cause:
- No sound from any speakers
- Audio cuts in and out
- Distorted or crackling sound
- Some speaker channels do not work
- Sound stops when the volume is increased
- Amplifier overheats
- Navigation voice works incorrectly
- Radio operates but produces no audio
These symptoms can also be caused by the radio, navigation unit, wiring, speakers, poor grounds, water intrusion, or another electrical fault. Proper diagnosis is recommended before ordering.
Condition Details
This is a used original Lexus electronic component. It may show normal cosmetic wear, scratches, dust, label wear, or signs of previous installation.
Please inspect all photographs carefully. You will receive the exact item shown unless otherwise stated.
This amplifier was tested before removal and produced clear audio through the available factory speaker channels.
Installation
Professional installation and audio-system diagnosis are recommended.
Before installation:
- Disconnect the battery according to Lexus service procedures
- Confirm that the vehicle has the Mark Levinson system
- Compare every connector and mounting point
- Inspect the wiring for corrosion or damage
- Check the amplifier area for moisture or water intrusion
- Correct any unresolved electrical or speaker problems
Installation of the identical part number is normally treated as a factory replacement, but system diagnosis or initialization may still be necessary.
Buyer Verification
Before ordering, compare:
- Complete OEM number
- Electrical connectors
- Connector keying and pin arrangement
- Amplifier housing
- Mounting brackets
- Mark Levinson audio equipment
- Vehicle year and production date
If unsure, send Oz’s Garage the vehicle VIN and clear photographs of the original amplifier’s label and connectors.
Warranty
Covered by Oz’s Garage’s 30-day replacement warranty.
The warranty provides a replacement when available. It does not cover:
- Incorrectly ordered parts
- Installation or diagnostic labor
- Programming charges
- Water or moisture damage
- Faulty speakers or wiring
- Damage caused by another audio component
- Opened or internally repaired amplifiers
- Modified or altered electronics
- Installation in a non-Mark Levinson vehicle
Installed, opened, altered, or modified electronic components are not returnable.
Shipping
- Free shipping within the continental United States
- Worldwide shipping available
- Carefully packaged to protect the housing and connectors
- International customers are responsible for customs duties and import taxes
- Ships within 1 / 2 Business Days
