
Dorman 540-839 Suspension Control Arm Bushing - Front Left Lower Rearward
Dorman 540-839 Suspension Control Arm Bushing
Dorman 540-839 is a suspension control arm bushing built as a standard replacement for specific Lexus applications. It is precision-engineered and tested to match the original equipment function on the front left lower rearward control arm position.
Key Features
- Standard replacement suspension control arm bushing for OE-style service
- Steel and rubber construction for controlled suspension movement
- Black finish
- Bracket included for the specified mounting design
- Bolt-on mounting type
- Designed for the front left lower rearward position
- Part number: 540-839
Detailed Description
This Dorman suspension control arm bushing is engineered for Lexus vehicles that use a front left lower rearward bushing assembly. The steel and rubber construction helps restore the connection point between the control arm and chassis, supporting proper suspension articulation and alignment stability. It is a direct-fit replacement for applications including Lexus IS300, IS350, RC300, RC350, GS350, IS200t, IS250, GS450h, GS460, GS430, and GS300 in the listed positions. This part cross-references Toyota 4807630030 for the same application. If you are searching for a Lexus IS350 front left lower rearward control arm bushing or a Dorman 540-839 replacement for Lexus GS350 suspension service, this part matches the specified fitment.
What It Helps Address
- Excessive play in the control arm bushing
- Clunking or knocking from the front suspension
- Uneven tire wear caused by worn suspension pivot points
- Loose or imprecise steering feel from deteriorated bushing material
- Suspension noise during braking, turning, or road impacts
Installation Notes and Tips
Verify the vehicle year, model, and front left lower rearward position before installation. This bushing uses a bolt-on mounting type and includes a bracket, so compare the original assembly and mounting hole dimensions to confirm proper alignment. Because suspension bushings affect wheel geometry, a professional inspection and alignment check after installation is recommended. For Lexus IS250, GS350, and RC350 applications, confirm the control arm orientation and bushing location before pressing or bolting the part into place.
Quality Assurance
Dorman designs this part as a standard replacement and subjects it to testing for reliable OE-style service on the listed Lexus applications. Part number 540-839 is built to restore the original suspension connection point with materials selected for strength and compliance.
Dorman 540-839 Suspension Control Arm Bushing - Front Left Lower Rearward
Dorman 540-839 Suspension Control Arm Bushing
Dorman 540-839 is a suspension control arm bushing built as a standard replacement for specific Lexus applications. It is precision-engineered and tested to match the original equipment function on the front left lower rearward control arm position.
Key Features
- Standard replacement suspension control arm bushing for OE-style service
- Steel and rubber construction for controlled suspension movement
- Black finish
- Bracket included for the specified mounting design
- Bolt-on mounting type
- Designed for the front left lower rearward position
- Part number: 540-839
Detailed Description
This Dorman suspension control arm bushing is engineered for Lexus vehicles that use a front left lower rearward bushing assembly. The steel and rubber construction helps restore the connection point between the control arm and chassis, supporting proper suspension articulation and alignment stability. It is a direct-fit replacement for applications including Lexus IS300, IS350, RC300, RC350, GS350, IS200t, IS250, GS450h, GS460, GS430, and GS300 in the listed positions. This part cross-references Toyota 4807630030 for the same application. If you are searching for a Lexus IS350 front left lower rearward control arm bushing or a Dorman 540-839 replacement for Lexus GS350 suspension service, this part matches the specified fitment.
What It Helps Address
- Excessive play in the control arm bushing
- Clunking or knocking from the front suspension
- Uneven tire wear caused by worn suspension pivot points
- Loose or imprecise steering feel from deteriorated bushing material
- Suspension noise during braking, turning, or road impacts
Installation Notes and Tips
Verify the vehicle year, model, and front left lower rearward position before installation. This bushing uses a bolt-on mounting type and includes a bracket, so compare the original assembly and mounting hole dimensions to confirm proper alignment. Because suspension bushings affect wheel geometry, a professional inspection and alignment check after installation is recommended. For Lexus IS250, GS350, and RC350 applications, confirm the control arm orientation and bushing location before pressing or bolting the part into place.
Quality Assurance
Dorman designs this part as a standard replacement and subjects it to testing for reliable OE-style service on the listed Lexus applications. Part number 540-839 is built to restore the original suspension connection point with materials selected for strength and compliance.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 540-839 Suspension Control Arm Bushing
Dorman 540-839 is a suspension control arm bushing built as a standard replacement for specific Lexus applications. It is precision-engineered and tested to match the original equipment function on the front left lower rearward control arm position.
Key Features
- Standard replacement suspension control arm bushing for OE-style service
- Steel and rubber construction for controlled suspension movement
- Black finish
- Bracket included for the specified mounting design
- Bolt-on mounting type
- Designed for the front left lower rearward position
- Part number: 540-839
Detailed Description
This Dorman suspension control arm bushing is engineered for Lexus vehicles that use a front left lower rearward bushing assembly. The steel and rubber construction helps restore the connection point between the control arm and chassis, supporting proper suspension articulation and alignment stability. It is a direct-fit replacement for applications including Lexus IS300, IS350, RC300, RC350, GS350, IS200t, IS250, GS450h, GS460, GS430, and GS300 in the listed positions. This part cross-references Toyota 4807630030 for the same application. If you are searching for a Lexus IS350 front left lower rearward control arm bushing or a Dorman 540-839 replacement for Lexus GS350 suspension service, this part matches the specified fitment.
What It Helps Address
- Excessive play in the control arm bushing
- Clunking or knocking from the front suspension
- Uneven tire wear caused by worn suspension pivot points
- Loose or imprecise steering feel from deteriorated bushing material
- Suspension noise during braking, turning, or road impacts
Installation Notes and Tips
Verify the vehicle year, model, and front left lower rearward position before installation. This bushing uses a bolt-on mounting type and includes a bracket, so compare the original assembly and mounting hole dimensions to confirm proper alignment. Because suspension bushings affect wheel geometry, a professional inspection and alignment check after installation is recommended. For Lexus IS250, GS350, and RC350 applications, confirm the control arm orientation and bushing location before pressing or bolting the part into place.
Quality Assurance
Dorman designs this part as a standard replacement and subjects it to testing for reliable OE-style service on the listed Lexus applications. Part number 540-839 is built to restore the original suspension connection point with materials selected for strength and compliance.












