HomeDelphi TC5974 Suspension Trailing Arm - Rear Lower, Rear Right or Rear Upper
Part #: TC5974

Delphi TC5974 Suspension Trailing Arm - Rear Lower, Rear Right or Rear Upper

Rear Upper, Rear Right, and Rear Lower
46 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, GMC, and Oldsmobile, Bravada, Envoy, Rainier, and Trailblazer
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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.

BrandDelphi
Part NumberTC5974
MaterialSteel
Length17.55
End 1 TypeStraight
End 2 TypeStraight
Mounting Hardware IncludedNo
Grade TypeRegular
AdjustableNo
Bushing MaterialRubber
Item GradeStandard replacement
Position(s)Rear lower, rear right, rear upper. for the position specific to

This part fits 46 vehicles. Search below:

YearMakeModelSubmodelDrive TypePositionNotes
2009ChevroletTrailblazerLTRear UpperW/O Auto Air Level Control (G67)
2009GMCEnvoyRear UpperW/O Auto Air Level Control (G67)
2008ChevroletTrailblazerLTRear UpperW/O Auto Air Level Control (G67)
2008ChevroletTrailblazerBaseRear UpperW/O Auto Air Level Control (G67)
2008GMCEnvoySLTRWDRear UpperW/O Auto Air Level Control (G67)
2008GMCEnvoySLT4WDRear UpperW/O Auto Air Level Control (G67)
2008GMCEnvoySLERWDRear UpperW/O Auto Air Level Control (G67)
2008GMCEnvoySLE4WDRear UpperW/O Auto Air Level Control (G67)
2007ChevroletTrailblazerLTRear UpperW/O Auto Air Level Control (G67)
2007ChevroletTrailblazerLSRear UpperW/O Auto Air Level Control (G67)
2007GMCEnvoyRWDRear UpperW/O Auto Air Level Control (G67)
2007GMCEnvoy4WDRear UpperW/O Auto Air Level Control (G67)
2006BuickRainierRear UpperW/O Auto Air Level Control (G67); Chassis Premium Smooth (ZW)
2006ChevroletTrailblazerLTRWDRear UpperW/O Auto Air Level Control (G67)
2006ChevroletTrailblazerLT4WDRear UpperW/O Auto Air Level Control (G67)
2006ChevroletTrailblazerLSRWDRear UpperW/O Auto Air Level Control (G67)
2006ChevroletTrailblazerLS4WDRear UpperW/O Auto Air Level Control (G67)
2006GMCEnvoyRWDRear UpperW/O Auto Air Level Control (G67)
2006GMCEnvoy4WDRear UpperW/O Auto Air Level Control (G67)
2005BuickRainierRear LowerW/O Auto Air Level Control (G67)
2005ChevroletTrailblazerLTRWDRear UpperW/O Auto Air Level Control (G67)
2005ChevroletTrailblazerLT4WDRear UpperW/O Auto Air Level Control (G67)
2005ChevroletTrailblazerLSRWDRear UpperW/O Auto Air Level Control (G67)
2005ChevroletTrailblazerLS4WDRear UpperW/O Auto Air Level Control (G67)
2005GMCEnvoyDenaliRWDRear UpperW/O Auto Air Level Control (G67)
2005GMCEnvoyDenali4WDRear UpperW/O Auto Air Level Control (G67)
2005GMCEnvoySLTRWDRear UpperW/O Auto Air Level Control (G67)
2005GMCEnvoySLT4WDRear UpperW/O Auto Air Level Control (G67)
2005GMCEnvoySLERWDRear UpperW/O Auto Air Level Control (G67)
2005GMCEnvoySLE4WDRear UpperW/O Auto Air Level Control (G67)
2004BuickRainierRear LowerW/O Auto Air Level Control (G67)
2004ChevroletTrailblazerRWDRear UpperW/O Auto Air Level Control (G67)
2004ChevroletTrailblazer4WDRear UpperW/O Auto Air Level Control (G67)
2004GMCEnvoyRWDRear UpperW/O Auto Air Level Control (G67)
2004GMCEnvoy4WDRear UpperW/O Auto Air Level Control (G67)
2004OldsmobileBravadaRear RightW/O Auto Air Level Control (G67); Chassis Premium Smooth (ZW7)
2003ChevroletTrailblazerRWDRear Upperwith Increase Capacity Package
2003ChevroletTrailblazer4WDRear Upperwith Increase Capacity Package
2003GMCEnvoyRWDRear UpperW/O Auto Air Level Control (G67)
2003GMCEnvoy4WDRear UpperW/O Auto Air Level Control (G67)
2003OldsmobileBravadaRear RightW/O Auto Air Level Control (G67)
2002ChevroletTrailblazerRWDRear Upperwith Increase Capacity Package
2002ChevroletTrailblazer4WDRear Upperwith Increase Capacity Package
2002GMCEnvoyRWDRear UpperW/O Auto Air Level Control (G67)
2002GMCEnvoy4WDRear UpperW/O Auto Air Level Control (G67)
2002OldsmobileBravadaRear RightW/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:

1506983752-1979CA90566RK660155

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.