OE Quality
60-Day Returns

Delphi TC5974 Suspension Trailing Arm - Rear Lower, Rear Right or Rear Upper
Delphi Suspension Trailing Arm Overview
The Delphi TC5974 suspension trailing arm is engineered for reliable rear suspension performance on select GM SUVs. Designed with durable steel construction and rubber bushings, this trailing arm supports stable handling and ride comfort for vehicles like the Chevrolet Trailblazer and GMC Envoy.
- Constructed from high-strength steel for durability
- Length of 17.55 inches for precise fitment
- Straight end types on both ends for secure mounting
- Rubber bushings to reduce vibration and noise
- Standard replacement grade for reliable suspension repair
- Compatible with rear lower, rear right, and rear upper positions
Detailed Product Description
The Delphi TC5974 suspension trailing arm is a direct replacement part designed to restore the rear suspension geometry of your vehicle. Made from steel, it provides the necessary strength to withstand road stresses while maintaining alignment. The rubber bushings help absorb shocks and minimize noise, contributing to a smoother ride. This trailing arm features straight ends on both sides, ensuring proper connection to the suspension components without modification. It is intended for use in the rear lower, rear right, and rear upper positions, depending on the specific vehicle application.
Compatible Vehicles and Applications
This suspension trailing arm is compatible with several GM models, including Buick Bravada, Chevrolet Trailblazer, GMC Envoy, and Oldsmobile Rainier. It is designed to meet the suspension requirements of these vehicles, making it suitable for those seeking a reliable replacement part for rear suspension repairs or upgrades.
- Corrects rear suspension misalignment
- Replaces worn or damaged trailing arms
- Reduces excessive suspension noise and vibration
- Improves handling stability and ride quality
- Addresses suspension component wear from road conditions
Installation Notes and Tips
When installing the Delphi TC5974 trailing arm, ensure the vehicle is securely lifted and supported. Verify the correct position (rear lower, rear right, or rear upper) before removal of the old part. Since mounting hardware is not included, retain or source appropriate bolts and nuts for reassembly. Inspect surrounding suspension components for wear during installation to maintain overall system integrity.
Quality Assurance and Warranty
Delphi suspension components are manufactured to meet OEM standards for fit and function. The TC5974 trailing arm is a standard replacement grade part, designed to provide dependable service life. While specific warranty details are not provided, Delphi products typically adhere to industry quality controls to ensure consistent performance.
| Brand | Delphi |
|---|---|
| Part Number | TC5974 |
| Material | Steel |
| Length | 17.55 |
| End 1 Type | Straight |
| End 2 Type | Straight |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Adjustable | No |
| Bushing Material | Rubber |
| Item Grade | Standard replacement |
| Position(s) | Rear lower, rear right, rear upper. for the position specific to |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | LT | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2009 | GMC | Envoy | Rear Upper | W/O Auto Air Level Control (G67) | ||
| 2008 | Chevrolet | Trailblazer | LT | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2008 | Chevrolet | Trailblazer | Base | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2008 | GMC | Envoy | SLT | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2008 | GMC | Envoy | SLT | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2008 | GMC | Envoy | SLE | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2008 | GMC | Envoy | SLE | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2007 | Chevrolet | Trailblazer | LT | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2007 | Chevrolet | Trailblazer | LS | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2007 | GMC | Envoy | RWD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2007 | GMC | Envoy | 4WD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2006 | Buick | Rainier | Rear Upper | W/O Auto Air Level Control (G67); Chassis Premium Smooth (ZW) | ||
| 2006 | Chevrolet | Trailblazer | LT | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2006 | Chevrolet | Trailblazer | LT | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2006 | Chevrolet | Trailblazer | LS | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2006 | Chevrolet | Trailblazer | LS | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2006 | GMC | Envoy | RWD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2006 | GMC | Envoy | 4WD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2005 | Buick | Rainier | Rear Lower | W/O Auto Air Level Control (G67) | ||
| 2005 | Chevrolet | Trailblazer | LT | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | Chevrolet | Trailblazer | LT | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | Chevrolet | Trailblazer | LS | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | Chevrolet | Trailblazer | LS | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | GMC | Envoy | Denali | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | GMC | Envoy | Denali | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | GMC | Envoy | SLT | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | GMC | Envoy | SLT | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | GMC | Envoy | SLE | RWD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2005 | GMC | Envoy | SLE | 4WD | Rear Upper | W/O Auto Air Level Control (G67) |
| 2004 | Buick | Rainier | Rear Lower | W/O Auto Air Level Control (G67) | ||
| 2004 | Chevrolet | Trailblazer | RWD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2004 | Chevrolet | Trailblazer | 4WD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2004 | GMC | Envoy | RWD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2004 | GMC | Envoy | 4WD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2004 | Oldsmobile | Bravada | Rear Right | W/O Auto Air Level Control (G67); Chassis Premium Smooth (ZW7) | ||
| 2003 | Chevrolet | Trailblazer | RWD | Rear Upper | with Increase Capacity Package | |
| 2003 | Chevrolet | Trailblazer | 4WD | Rear Upper | with Increase Capacity Package | |
| 2003 | GMC | Envoy | RWD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2003 | GMC | Envoy | 4WD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2003 | Oldsmobile | Bravada | Rear Right | W/O Auto Air Level Control (G67) | ||
| 2002 | Chevrolet | Trailblazer | RWD | Rear Upper | with Increase Capacity Package | |
| 2002 | Chevrolet | Trailblazer | 4WD | Rear Upper | with Increase Capacity Package | |
| 2002 | GMC | Envoy | RWD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2002 | GMC | Envoy | 4WD | Rear Upper | W/O Auto Air Level Control (G67) | |
| 2002 | Oldsmobile | Bravada | Rear Right | W/O Auto Air Level Control (G67) |
* 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.