OE Quality
60-Day Returns

Delphi TC5777 Suspension Trailing Arm - Rear Lower Forward or Rear Upper
Delphi Suspension Trailing Arm for Nissan and Infiniti Vehicles
The Delphi TC5777 suspension trailing arm is engineered to provide reliable rear suspension support for select Nissan and Infiniti models. Designed with durable steel construction and black bushings, this trailing arm ensures consistent performance and fitment for your vehicle's rear lower forward or rear upper suspension positions.
Key Features of Delphi TC5777 Suspension Trailing Arm
- Constructed from high-strength steel for durability and longevity
- Black bushings included for effective vibration dampening
- Cataphoresis finish enhances corrosion resistance
- Compatible with rear lower forward and rear upper suspension positions
- Mounting hole diameter of 0.559 inches (14.2 mm) for precise fit
- Standard replacement grade part for Nissan Pathfinder, Pathfinder Armada, and Infiniti QX4
Detailed Product Description
The Delphi TC5777 suspension trailing arm is a direct replacement part designed specifically for the rear suspension system of Nissan Pathfinder, Pathfinder Armada, and Infiniti QX4 models. Measuring approximately 12.165 inches (309.0 mm) in length, this trailing arm features bushings on both ends to reduce noise and absorb road vibrations. The black cataphoresis finish provides a protective coating that helps prevent rust and corrosion, extending the service life of the component. This part is not adjustable and does not include mounting hardware, so ensure compatibility with your vehicle’s existing suspension setup before installation.
Common Applications and Issues Addressed
- Restores proper rear suspension alignment and geometry
- Eliminates excessive suspension noise caused by worn trailing arms
- Improves handling stability and ride comfort
- Replaces damaged or corroded trailing arms to maintain safety
- Prevents premature tire wear due to suspension misalignment
Installation Notes and Tips
- Verify the part number TC5777 matches your vehicle’s requirements before installation
- Use appropriate tools to remove old trailing arm bushings and install new ones
- Check mounting hole diameters (0.559 inches / 14.2 mm) for compatibility with your vehicle’s hardware
- Alignment check is recommended after installation to ensure proper suspension geometry
- Mounting hardware is not included; reuse existing hardware or purchase separately as needed
Quality Assurance and Warranty Information
Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC5777 trailing arm is a standard replacement grade part backed by Delphi’s quality control processes. While specific warranty terms may vary, Delphi typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or your parts provider for detailed warranty information.
| Brand | Delphi |
|---|---|
| Part Number | TC5777 |
| Adjustable | No |
| Bushing Color | Black |
| Bushings Included | Yes |
| Color | Black |
| End 1 Type | Bushing |
| End 2 Type | Bushing |
| Friction Material Thickness | Cataphoresis |
| Item Grade | Standard Replacement |
| Length | 12.165 |
| Length | 309.0 |
| Material | Steel |
| Mounting Hardware Included | No |
| Mounting Hole Diameter | 0.559 |
| Mounting Hole Diameter | 14.2 |
| Position(s) | Rear Lower Forward, Rear Upper. For the position specific to your vehicle, refer to the Application tab. |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Nissan | Pathfinder | Rear Upper | ||
| 2004 | Nissan | Pathfinder Armada | Rear Upper | ||
| 2003 | INFINITI | QX4 | RWD | Rear Lower Forward | |
| 2003 | INFINITI | QX4 | 4WD | Rear Lower Forward | |
| 2003 | Nissan | Pathfinder | Rear Lower Forward | ||
| 2002 | INFINITI | QX4 | RWD | Rear Lower Forward | |
| 2002 | INFINITI | QX4 | 4WD | Rear Lower Forward | |
| 2002 | Nissan | Pathfinder | Rear Upper | ||
| 2001 | INFINITI | QX4 | Rear Upper | ||
| 2001 | Nissan | Pathfinder | Rear Upper | ||
| 2000 | INFINITI | QX4 | Rear Upper | ||
| 2000 | Nissan | Pathfinder | Rear Upper | ||
| 1999 | INFINITI | QX4 | Rear Upper | ||
| 1999 | Nissan | Pathfinder | Rear Upper | ||
| 1998 | INFINITI | QX4 | Rear Upper | ||
| 1998 | Nissan | Pathfinder | Rear Upper | ||
| 1997 | INFINITI | QX4 | Rear Upper | ||
| 1997 | Nissan | Pathfinder | Rear Upper |
* 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.