HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC5979 Suspension Trailing Arm - Rear Lower, Rear Right or Rear Upper
Part #: TC5979

Delphi TC5979 Suspension Trailing Arm - Rear Lower, Rear Right or Rear Upper

Rear Upper
70 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$69.08Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Buick, and Oldsmobile, Trailblazer, Envoy, Rainier, and Bravada
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Delphi Suspension Trailing Arm Overview

The Delphi TC5979 Suspension Trailing Arm is engineered for reliable rear suspension performance on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed as a standard replacement part, this steel trailing arm provides durable support for the rear lower, rear right, and rear upper suspension positions.

  • Constructed from durable steel for strength and longevity
  • Compatible with rear lower, rear right, and rear upper suspension positions
  • Features rubber bushings to reduce vibration and noise
  • Non-adjustable design for straightforward installation
  • Standard replacement grade for reliable everyday use
  • End types are straight on both sides for proper fitment
  • Mounting hardware not included

Detailed Product Description

The Delphi TC5979 Suspension Trailing Arm is a critical component in the rear suspension system, designed to maintain proper wheel alignment and vehicle stability. Made from high-quality steel, this trailing arm withstands the stresses of daily driving and road conditions. It includes rubber bushings that help absorb shocks and reduce noise, contributing to a smoother ride. The part is engineered with straight ends on both sides to ensure compatibility with the suspension setup of specific vehicles.

This trailing arm is a standard replacement part, meaning it meets OEM specifications without adjustability features. It is intended for use on the rear lower, rear right, and rear upper suspension positions, making it suitable for models such as the Buick Rainier, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy and Envoy XL, Isuzu Ascender and Bravada, Oldsmobile SSR, and Saab 9-7x.

Common Applications and Problem Resolution

  • Restores proper rear suspension alignment and handling
  • Eliminates excessive rear wheel movement or play
  • Reduces suspension noise caused by worn bushings
  • Addresses uneven tire wear related to suspension issues
  • Improves overall vehicle stability and ride comfort

Installation Notes and Tips

Installation of the Delphi TC5979 trailing arm requires basic suspension knowledge and tools. Since mounting hardware is not included, ensure you have the correct bolts and nuts for your specific vehicle model. It is recommended to inspect related suspension components during installation and replace any worn parts to maintain optimal performance. Proper torque specifications should be followed to avoid premature wear or failure.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet industry standards for durability and performance. The TC5979 trailing arm is a standard replacement part designed to match OEM quality. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to ensure customer confidence in the product's reliability.

BrandDelphi
Part NumberTC5979
AdjustableNo
Bushing MaterialRubber
End 1 TypeStraight
End 2 TypeStraight
Grade TypeRegular
Item GradeStandard Replacement
Length17.55
MaterialSteel
Mounting Hardware IncludedNo
Position(s)Rear Lower, Rear Right, Rear Upper. For the position specific to your vehicle, refer to the Application tab.

This part fits 70 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersPositionNotes
2009ChevroletTrailblazerLTRear UpperW/ Auto Air Level Control (G67); Chassis Premium Smooth (ZW)
2009GMCEnvoyRear UpperAuto Air Level Control (G67)
2009Saab9-7xRear Upper
2008ChevroletTrailblazerLTRear UpperW/ Auto Air Level Control (G67); Chassis Premium Smooth (ZW)
2008ChevroletTrailblazerBaseRear UpperW/ Auto Air Level Control (G67); Chassis Premium Smooth (ZW)
2008GMCEnvoySLTRWDRear UpperAuto Air Level Control (G67)
2008GMCEnvoySLT4WDRear UpperAuto Air Level Control (G67)
2008GMCEnvoySLERWDRear UpperAuto Air Level Control (G67)
2008GMCEnvoySLE4WDRear UpperAuto Air Level Control (G67)
2008IsuzuAscenderRear Upper
2008Saab9-7xRear Upper
2007BuickRainierRear UpperW/O Auto Air Level Control (G67); Chassis Premium Smooth (ZW7)
2007ChevroletTrailblazerLTRear UpperAuto Air Level Control (G67)
2007ChevroletTrailblazerLSRear UpperAuto Air Level Control (G67)
2007GMCEnvoyRWDRear UpperAuto Air Level Control (G67)
2007GMCEnvoy4WDRear UpperAuto Air Level Control (G67)
2007IsuzuAscenderRear Upper
2007Saab9-7xRear Upper
2006BuickRainierRear UpperW/ Auto Air Level Control (G67); Chassis Premium Smooth (ZW)
2006ChevroletSSRRear Upper
2006ChevroletTrailblazerLTRWDRear UpperAuto Air Level Control (G67)
2006ChevroletTrailblazerLT4WDRear UpperAuto Air Level Control (G67)
2006ChevroletTrailblazerLSRWDRear UpperAuto Air Level Control (G67)
2006ChevroletTrailblazerLS4WDRear UpperAuto Air Level Control (G67)
2006ChevroletTrailblazer EXTRear Upper
2006GMCEnvoyRWDRear UpperAuto Air Level Control (G67)
2006GMCEnvoy4WDRear UpperAuto Air Level Control (G67)
2006GMCEnvoy XLRear Upper
2006IsuzuAscender4.2LL6Rear Upper
2006Saab9-7xRear Upper
2005BuickRainierRear LowerAuto Air Level Control (G67)
2005ChevroletSSRRear Upper
2005ChevroletTrailblazerLTRWDRear UpperAuto Air Level Control (G67)
2005ChevroletTrailblazerLT4WDRear UpperAuto Air Level Control (G67)
2005ChevroletTrailblazerLSRWDRear UpperAuto Air Level Control (G67)
2005ChevroletTrailblazerLS4WDRear UpperAuto Air Level Control (G67)
2005ChevroletTrailblazer EXTRear Upper
2005GMCEnvoySLTRWDRear UpperAuto Air Level Control (G67)
2005GMCEnvoySLT4WDRear UpperAuto Air Level Control (G67)
2005GMCEnvoySLERWDRear UpperAuto Air Level Control (G67)
2005GMCEnvoySLE4WDRear UpperAuto Air Level Control (G67)
2005GMCEnvoy XLRear Upper
2005IsuzuAscender4.2LL6Rear Upper
2005Saab9-7xRear Upper
2004BuickRainierRear LowerAuto Air Level Control (G67)
2004ChevroletSSRRear Upper
2004ChevroletTrailblazerRWDRear UpperAuto Air Level Control (G67)
2004ChevroletTrailblazer4WDRear UpperAuto Air Level Control (G67)
2004ChevroletTrailblazer EXTRear Upper
2004GMCEnvoyRWDRear UpperAuto Air Level Control (G67)
2004GMCEnvoy4WDRear UpperAuto Air Level Control (G67)
2004GMCEnvoy XLRear Upper
2004IsuzuAscender4.2LL6Rear Upper
2004OldsmobileBravadaRear RightW/ Auto Air Level Control (G67); Chassis Premium Smooth (ZW)
2003ChevroletSSRRear Upper
2003ChevroletTrailblazerRWDRear UpperChassis Premium Smooth (ZW7)
2003ChevroletTrailblazer4WDRear UpperChassis Premium Smooth (ZW7)
2003ChevroletTrailblazer EXTRear Upper
2003GMCEnvoyRWDRear UpperAuto Air Level Control (G67)
2003GMCEnvoy4WDRear UpperAuto Air Level Control (G67)
2003GMCEnvoy XLRear Upper
2003IsuzuAscenderRear Upper
2003OldsmobileBravadaRear RightW/ Auto Air Level Control (G67)
2002ChevroletTrailblazerRWDRear UpperChassis Premium Smooth (ZW7)
2002ChevroletTrailblazer4WDRear UpperChassis Premium Smooth (ZW7)
2002ChevroletTrailblazer EXTRear Upper
2002GMCEnvoyRWDRear UpperAuto Air Level Control (G67)
2002GMCEnvoy4WDRear UpperAuto Air Level Control (G67)
2002GMCEnvoy XLRear Upper
2002OldsmobileBravadaRear RightW/ 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:

1506983852-1887CA90576CA90576PRRK660156

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