HomeSteering > Steering, Gear and Related ComponentsDelphi TA2129 Steering Idler Arm
Part #: TA2129

Delphi TA2129 Steering Idler Arm

317 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Isuzu, Buick, Cadillac, Oldsmobile, and Pontiac, Blazer, S10, Sonoma, Jimmy, Hombre, Commercial Chassis, Roadmaster, Fleetwood, Caprice, Impala, LLV, S10 Blazer, Brougham, Custom Cruiser, S15 Jimmy, LeSabre, S15, Electra, Safari, Monte Carlo, Regal, El Camino, Caballero, Grand Prix, Bonneville, DeVille, 98, Cutlass Calais, Estate Wagon, Malibu, Century, Cutlass, Catalina, LeMans, Grand Am, and Riviera
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Delphi Steering Idler Arm TA2129 Overview

The Delphi Steering Idler Arm TA2129 is a forged, durable component designed for reliable steering performance. Engineered for select Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models, this steering idler arm ensures precise control and stability.

  • Forged material construction for strength and durability
  • Pre-greased and greaseable design with included grease fitting
  • Black finish for corrosion resistance
  • Standard replacement grade for reliable performance
  • Compatible with multiple GM and Isuzu vehicles including Blazer, Caprice, Impala, and S10

Detailed Product Features and Specifications

The Delphi TA2129 steering idler arm measures 157.0 mm (6.18 inches) in length and features two bracket holes with a mounting hole diameter of 14.0 mm. Its forged construction provides the necessary strength to withstand steering loads, while the black coating offers protection against rust and wear. This idler arm comes pre-greased and includes a grease fitting, allowing for easy maintenance and extended service life. Although the castle nut and cotter pin are not included, the part is designed for straightforward installation on compatible vehicles.

Compatible Vehicles and Applications

This steering idler arm is compatible with a range of vehicles from Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac. It fits models such as the Chevrolet Blazer, Caprice, Impala, S10, and S10 Blazer, as well as the Pontiac Grand Am and Bonneville, among others. The part number TA2129 ensures you receive the correct replacement for your vehicle’s steering system.

Common Issues Addressed by the Delphi TA2129 Steering Idler Arm

  • Excessive steering play or looseness
  • Uneven tire wear due to misalignment
  • Steering wheel vibration or instability
  • Noise or clunking sounds from the steering linkage
  • Difficulty maintaining proper steering control

Installation Notes and Tips

When installing the Delphi TA2129 steering idler arm, ensure the mounting holes align correctly with the vehicle’s bracket. Use the included grease fitting to lubricate the arm before and after installation to maintain smooth operation. Since the castle nut and cotter pin are not included, source these components separately to secure the assembly properly. Follow manufacturer torque specifications for mounting hardware to avoid premature wear.

Quality Assurance and Warranty

Delphi provides a standard replacement grade steering idler arm that meets OEM specifications for fit and function. The TA2129 part undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to support long-term reliability.

BrandDelphi
Part NumberTA2129
Bracket Hole Quantity2
Castle Nut IncludedNo
ColorBlack
Cotter Pin IncludedNo
Grease Fitting IncludedYes
GreaseableYes
Item GradeStandard Replacement
Length6.18
Length157.0
MaterialForged
Mounting Hole Diameter14.0
Pre-GreasedYes

This part fits 317 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2005ChevroletBlazerRWDN/A
2004ChevroletBlazerRWDN/A
2003ChevroletBlazerRWDN/A
2003ChevroletS10RWDN/A
2003GMCSonomaRWDN/A
2002ChevroletBlazerRWDN/A
2002ChevroletS10RWDN/A
2002GMCSonomaRWDN/A
2001ChevroletBlazerRWDN/A
2001ChevroletS10RWDN/A
2001GMCJimmyRWDN/A
2001GMCSonomaRWDN/A
2000ChevroletBlazerRWDN/A
2000ChevroletS10RWDN/A
2000GMCJimmyRWDN/A
2000GMCSonomaRWDN/A
2000IsuzuHombreRWDN/A
1999ChevroletBlazerRWDN/A
1999ChevroletS10RWDN/A
1999GMCJimmyRWDN/A
1999GMCSonomaRWDN/A
1999IsuzuHombreRWDN/A
1998ChevroletBlazerRWDN/A
1998ChevroletS10RWDN/A
1998GMCJimmyRWDN/A
1998GMCSonomaRWDN/A
1998IsuzuHombreRWDN/A
1997ChevroletBlazerRWDN/A
1997ChevroletS10RWDN/A
1997GMCJimmyRWDN/A
1997GMCSonomaRWDN/A
1997IsuzuHombreN/A
1996BuickRoadmasterN/A
1996CadillacCommercial ChassisN/A
1996CadillacFleetwoodN/A
1996ChevroletBlazerRWDN/A
1996ChevroletCapriceN/A
1996ChevroletImpalaN/A
1996ChevroletS10RWDN/A
1996GMCJimmyRWDN/A
1996GMCSonomaRWDN/A
1996IsuzuHombreN/A
1995BuickRoadmasterN/A
1995CadillacCommercial ChassisN/A
1995CadillacFleetwoodN/A
1995ChevroletBlazerRWDN/A
1995ChevroletCapriceN/A
1995ChevroletImpalaN/A
1995ChevroletS10RWDN/A
1995GMCJimmyRWDN/A
1995GMCSonomaRWDN/A
1994BuickRoadmasterN/A
1994CadillacCommercial ChassisN/A
1994CadillacFleetwoodN/A
1994ChevroletCapriceN/A
1994ChevroletCommercial ChassisN/A
1994ChevroletImpalaN/A
1994ChevroletS10RWDN/A
1994ChevroletS10 BlazerRWDN/A
1994GMCJimmyRWDN/A
1994GMCSonomaRWDN/A
1993BuickRoadmasterN/A
1993CadillacCommercial ChassisN/A
1993CadillacFleetwoodN/A
1993ChevroletCapriceN/A
1993ChevroletCommercial ChassisN/A
1993ChevroletS10RWDN/A
1993ChevroletS10 BlazerRWDN/A
1993GMCJimmyRWDN/A
1993GMCSonomaRWDN/A
1992BuickRoadmasterN/A
1992CadillacBroughamN/A
1992CadillacCommercial ChassisN/A
1992CadillacFleetwoodN/A
1992ChevroletCapriceN/A
1992ChevroletCommercial ChassisN/A
1992ChevroletS10RWDN/A
1992ChevroletS10 BlazerRWDN/A
1992GMCJimmyRWDN/A
1992GMCSonomaRWDN/A
1992OldsmobileCustom CruiserN/A
1991BuickRoadmasterN/A
1991CadillacBroughamN/A
1991CadillacFleetwoodN/A
1991ChevroletCapriceN/A
1991ChevroletCommercial ChassisN/A
1991ChevroletS10RWDN/A
1991ChevroletS10 BlazerRWDN/A
1991GMCS15 JimmyRWDN/A
1991GMCSonomaRWDN/A
1991OldsmobileCustom CruiserN/A
1990BuickLeSabreRWDN/A
1990CadillacBroughamN/A
1990CadillacFleetwoodN/A
1990ChevroletCapriceN/A
1990ChevroletS10RWDN/A
1990ChevroletS10 BlazerRWDN/A
1990GMCS15RWDN/A
1990GMCS15 JimmyRWDN/A
1990OldsmobileCustom CruiserN/A
1989BuickLeSabreRWDN/A
1989CadillacBroughamN/A
1989CadillacFleetwoodN/A
1989ChevroletCapriceN/A
1989ChevroletS10RWDN/A
1989ChevroletS10 BlazerRWDN/A
1989GMCS15RWDN/A
1989GMCS15 JimmyRWDN/A
1989OldsmobileCustom CruiserN/A
1989PontiacSafariN/A
1988BuickLeSabreRWDN/A
1988CadillacBroughamN/A
1988CadillacFleetwoodN/A
1988ChevroletCapriceN/A
1988ChevroletMonte CarloN/A
1988ChevroletS10RWDN/A
1988ChevroletS10 BlazerRWDN/A
1988GMCS15RWDN/A
1988GMCS15 JimmyRWDN/A
1988OldsmobileCustom CruiserN/A
1988PontiacSafariN/A
1987BuickRegalN/A
1987CadillacBroughamN/A
1987CadillacFleetwoodN/A
1987ChevroletCapriceN/A
1987ChevroletEl CaminoN/A
1987ChevroletMonte CarloN/A
1987ChevroletS10RWDN/A
1987ChevroletS10 BlazerRWDN/A
1987GMCS15RWDN/A
1987GMCS15 JimmyRWDN/A
1987OldsmobileCustom CruiserN/A
1987OldsmobileCutlassN/A
1987OldsmobileCutlass SalonN/A
1987OldsmobileCutlass SupremeN/A
1987PontiacGrand PrixN/A
1987PontiacSafariN/A
1986BuickRegalN/A
1986CadillacFleetwoodN/A
1986ChevroletCapriceN/A
1986ChevroletEl CaminoN/A
1986ChevroletMonte CarloN/A
1986ChevroletS10RWDN/A
1986ChevroletS10 BlazerRWDN/A
1986GMCS15RWDN/A
1986GMCS15 JimmyRWDN/A
1986OldsmobileCustom CruiserN/A
1986OldsmobileCutlassN/A
1986OldsmobileCutlass SalonN/A
1986OldsmobileCutlass SupremeN/A
1986PontiacBonnevilleN/A
1986PontiacGrand PrixN/A
1986PontiacParisienneN/A
1985BuickRegalN/A
1985CadillacFleetwoodN/A
1985ChevroletCapriceN/A
1985ChevroletEl CaminoN/A
1985ChevroletImpalaN/A
1985ChevroletMonte CarloN/A
1985ChevroletS10RWDN/A
1985ChevroletS10 BlazerRWDN/A
1985GMCS15RWDN/A
1985GMCS15 JimmyRWDN/A
1985OldsmobileCustom CruiserN/A
1985OldsmobileCutlassN/A
1985OldsmobileCutlass SalonN/A
1985OldsmobileCutlass SupremeN/A
1985OldsmobileDelta 88N/A
1985PontiacBonnevilleN/A
1985PontiacGrand PrixN/A
1985PontiacParisienneN/A
1984BuickLeSabreN/A
1984BuickRegalN/A
1984CadillacDeVilleN/A
1984CadillacFleetwoodN/A
1984ChevroletCapriceN/A
1984ChevroletEl CaminoN/A
1984ChevroletImpalaN/A
1984ChevroletMonte CarloN/A
1984ChevroletS10RWDN/A
1984ChevroletS10 BlazerRWDN/A
1984GMCS15RWDN/A
1984GMCS15 JimmyRWDN/A
1984Oldsmobile98N/A
1984OldsmobileCustom CruiserN/A
1984OldsmobileCutlass CalaisN/A
1984OldsmobileCutlass SupremeN/A
1984OldsmobileDelta 88N/A
1984PontiacBonnevilleN/A
1984PontiacGrand PrixN/A
1984PontiacParisienneN/A
1983BuickLeSabreN/A
1983BuickRegalN/A
1983CadillacDeVilleN/A
1983CadillacFleetwoodN/A
1983ChevroletCapriceN/A
1983ChevroletEl CaminoN/A
1983ChevroletImpalaN/A
1983ChevroletMalibuN/A
1983ChevroletMonte CarloN/A
1983ChevroletS10RWDN/A
1983ChevroletS10 BlazerRWDN/A
1983GMCS15RWDN/A
1983GMCS15 JimmyRWDN/A
1983Oldsmobile98N/A
1983OldsmobileCustom CruiserN/A
1983OldsmobileCutlass CalaisN/A
1983OldsmobileCutlass SupremeN/A
1983OldsmobileDelta 88N/A
1983PontiacBonnevilleN/A
1983PontiacGrand PrixN/A
1983PontiacParisienneN/A
1982BuickLeSabreN/A
1982BuickRegalN/A
1982CadillacDeVilleN/A
1982CadillacFleetwoodN/A
1982ChevroletCapriceN/A
1982ChevroletEl CaminoN/A
1982ChevroletImpalaN/A
1982ChevroletMalibuN/A
1982ChevroletMonte CarloN/A
1982ChevroletS10N/A
1982GMCS15N/A
1982Oldsmobile98N/A
1982OldsmobileCustom CruiserN/A
1982OldsmobileCutlass CalaisN/A
1982OldsmobileCutlass SupremeN/A
1982OldsmobileDelta 88N/A
1982PontiacBonnevilleN/A
1982PontiacGrand PrixN/A
1981BuickCenturyN/A
1981BuickLeSabreN/A
1981BuickRegalN/A
1981CadillacDeVilleN/A
1981CadillacFleetwoodN/A
1981ChevroletCapriceN/A
1981ChevroletEl CaminoN/A
1981ChevroletImpalaN/A
1981ChevroletMalibuN/A
1981ChevroletMonte CarloN/A
1981Oldsmobile98N/A
1981OldsmobileCustom CruiserN/A
1981OldsmobileCutlassN/A
1981OldsmobileCutlass CalaisN/A
1981OldsmobileCutlass SupremeN/A
1981OldsmobileDelta 88N/A
1981PontiacBonnevilleN/A
1981PontiacCatalinaN/A
1981PontiacGrand PrixN/A
1981PontiacLeMansN/A
1980BuickCenturyN/A
1980BuickLeSabreN/A
1980BuickRegalN/A
1980CadillacDeVilleN/A
1980CadillacFleetwoodN/A
1980ChevroletCapriceN/A
1980ChevroletEl CaminoN/A
1980ChevroletImpalaN/A
1980ChevroletMalibuN/A
1980ChevroletMonte CarloN/A
1980Oldsmobile98N/A
1980OldsmobileCustom CruiserN/A
1980OldsmobileCutlassN/A
1980OldsmobileCutlass CalaisN/A
1980OldsmobileCutlass SalonN/A
1980OldsmobileCutlass SupremeN/A
1980OldsmobileDelta 88N/A
1980PontiacBonnevilleN/A
1980PontiacCatalinaN/A
1980PontiacGrand AmN/A
1980PontiacGrand PrixN/A
1980PontiacLeMansN/A
1979BuickCenturyN/A
1979BuickLeSabreN/A
1979BuickRegalN/A
1979CadillacDeVilleN/A
1979CadillacFleetwoodN/A
1979ChevroletCapriceN/A
1979ChevroletEl CaminoN/A
1979ChevroletImpalaN/A
1979ChevroletMalibuN/A
1979ChevroletMonte CarloN/A
1979Oldsmobile98N/A
1979OldsmobileCustom CruiserN/A
1979OldsmobileCutlassN/A
1979OldsmobileCutlass CalaisN/A
1979OldsmobileCutlass SalonN/A
1979OldsmobileCutlass SupremeN/A
1979OldsmobileDelta 88N/A
1979PontiacBonnevilleN/A
1979PontiacCatalinaN/A
1979PontiacGrand AmN/A
1979PontiacGrand PrixN/A
1979PontiacLeMansN/A
1978BuickCenturyN/A
1978BuickLeSabreN/A
1978BuickRegalN/A
1978BuickRivieraN/A
1978CadillacDeVilleN/A
1978CadillacFleetwoodN/A
1978ChevroletCapriceN/A
1978ChevroletEl CaminoN/A
1978ChevroletImpalaN/A
1978ChevroletMalibuN/A
1978ChevroletMonte CarloN/A
1978Oldsmobile98N/A
1978OldsmobileCustom CruiserN/A
1978OldsmobileCutlassN/A
1978OldsmobileCutlass CalaisN/A
1978OldsmobileCutlass SalonN/A
1978OldsmobileCutlass SupremeN/A
1978OldsmobileDelta 88N/A
1978PontiacBonnevilleN/A
1978PontiacCatalinaN/A
1978PontiacGrand AmN/A
1978PontiacGrand PrixN/A
1978PontiacLeMansN/A

* 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:

101-71348-26041-013-0IA6187K6164K6187TMK6187T

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