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Delphi TC1946 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward
Delphi Suspension Control Arm and Ball Joint Assembly Overview
The Delphi TC1946 suspension control arm and ball joint assembly is engineered for front lower forward suspension applications on select Audi and Volkswagen models. Designed with durable aluminum construction and pre-greased bushings, this assembly provides reliable performance for vehicles like the Audi A8 Quattro, Volkswagen Phaeton, and S8.
- Pre-greased for immediate installation
- Includes natural rubber bushings for vibration dampening
- Threaded ball joint stud for secure fitment
- Aluminum casting/forged control arm construction
- Mounting hardware included for convenience
- Compatible with front lower forward suspension position
- Standard replacement grade for light suspension use
Technical Details and Construction
The Delphi TC1946 control arm assembly features a lightweight yet strong aluminum control arm constructed through casting and forging processes. This ensures structural integrity while reducing unsprung weight. The assembly includes natural rubber bushings that help absorb road vibrations and improve ride quality. The ball joint stud is threaded, measuring approximately 3.78 inches in length, providing a secure connection to the suspension knuckle. With four mounting holes of varying diameters, the control arm is designed for precise fitment and alignment. The gray finish offers corrosion resistance and a clean appearance under the vehicle.
Compatible Vehicles and Applications
This suspension control arm and ball joint assembly is compatible with the following vehicles:
- Audi A8 Quattro (front lower forward position)
- Volkswagen Phaeton (front lower forward position)
- Volkswagen S8 (front lower forward position)
Part number TC1946 is specifically designed to meet the suspension requirements of these models, ensuring proper fit and function.
Common Suspension Issues Addressed
- Worn or damaged control arm bushings causing excessive play
- Ball joint wear leading to steering instability or noise
- Corroded or bent control arms affecting wheel alignment
- Vibration and harshness from deteriorated suspension components
- Loose or missing mounting hardware compromising suspension integrity
Installation Notes and Tips
- Pre-greased bushings eliminate the need for additional lubrication during installation
- Verify the front lower forward position before installation to ensure correct placement
- Use included mounting hardware to maintain proper torque specifications
- Inspect related suspension components for wear during replacement
- Alignment check is recommended after installation to maintain handling performance
Quality Assurance and Warranty
The Delphi TC1946 suspension control arm and ball joint assembly is manufactured to meet standard replacement grade specifications for light suspension use. Each unit undergoes quality control inspections to ensure durability and fitment accuracy. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Delphi |
|---|---|
| Part Number | TC1946 |
| Adjustable | No |
| Ball Joint Stud Length | 3.78 |
| Ball Joint Stud Length | 96.0 |
| Ball Joint Stud Type | Threaded |
| Bushing Material | Natural Rubber (NR) |
| Bushings Included | Yes |
| Control Arm Color | Gray |
| Control Arm Construction | Casting/Forged |
| Control Arm Material | Aluminum |
| Control Arm Maximum Length | 20.709 |
| Control Arm Maximum Length | 526.0 |
| Control Arm Maximum Width | 5.748 |
| Control Arm Maximum Width | 146.0 |
| Grease Fitting Included | No |
| Greaseable | No |
| Item Grade | Standard Replacement |
| Mounting Hardware Included | Yes |
| Mounting Hole Diameter | 0.24 |
| Mounting Hole Diameter | 0.39 |
| Mounting Hole Diameter | 0.48 |
| Mounting Hole Diameter | 6.2 |
| Mounting Hole Diameter | 10.0 |
| Mounting Hole Diameter | 12.1 |
| Mounting Hole Quantity | 4 |
| Position(s) | Front Lower Forward |
| Pre-Greased | Yes |
| Suspension Grade Type | Light |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Audi | A8 Quattro | Front Lower Forward | |
| 2009 | Audi | A8 Quattro | Front Lower Forward | |
| 2009 | Audi | S8 | Front Lower Forward | |
| 2008 | Audi | A8 Quattro | Front Lower Forward | |
| 2008 | Audi | S8 | Front Lower Forward | |
| 2007 | Audi | A8 Quattro | Front Lower Forward | |
| 2007 | Audi | S8 | Front Lower Forward | |
| 2006 | Audi | A8 Quattro | Front Lower Forward | |
| 2006 | Volkswagen | Phaeton | Front Lower Forward | |
| 2005 | Audi | A8 Quattro | Front Lower Forward | |
| 2005 | Volkswagen | Phaeton | Front Lower Forward | |
| 2004 | Audi | A8 Quattro | Front Lower Forward | |
| 2004 | Volkswagen | Phaeton | Front Lower Forward | |
| 2003 | Audi | A8 Quattro | Front Lower Forward |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.