Homeβ€Ί Steering > Steering, Gear and Related Componentsβ€Ί Delphi TC1638 Steering Idler Arm
Part #: TC1638

Delphi TC1638 Steering Idler Arm

133 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Oldsmobile, Isuzu, Buick, and Cadillac, Blazer, Jimmy, S10, Sonoma, Bravada, Hombre, S10 Blazer, Typhoon, S15 Jimmy, Syclone, S15, Riviera, Eldorado, Seville, and Toronado
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Delphi Steering Idler Arm TC1638 Overview

The Delphi Steering Idler Arm TC1638 is designed for reliable steering performance in select Buick, Cadillac, Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. This standard replacement part ensures proper steering linkage support for models like the Blazer, Eldorado, and S10.

  • Length: 5.24 inches for precise fitment
  • Pre-greased for immediate use and reduced maintenance
  • Stud-type arm attachment for secure connection
  • Includes grease fitting and is greaseable for extended service life
  • Mounting hole diameter of 0.49 inches for accurate installation
  • Standard replacement grade for dependable performance

Detailed Product Description

The Delphi TC1638 steering idler arm is engineered to maintain proper alignment and support of the steering linkage in compatible vehicles. Its 5.24-inch length and 0.49-inch mounting hole diameter ensure a precise fit for models such as the Chevrolet S10 Blazer, GMC Sonoma, and Cadillac Seville. The stud-type arm attachment provides a secure and stable connection to the steering system. This idler arm comes pre-greased and includes a grease fitting, allowing for easy lubrication and longer component life. Designed as a standard replacement part, it meets OEM specifications to restore steering performance without requiring additional modifications.

Common Applications and Problem Resolution

  • Restores proper steering linkage alignment in Buick Jimmy and Isuzu Hombre
  • Eliminates excessive play or looseness in steering components
  • Reduces steering vibration and uneven tire wear
  • Prevents premature wear caused by insufficient lubrication
  • Replaces worn or damaged idler arms in Cadillac Toronado and Oldsmobile Riviera

Installation Notes and Tips

  • Verify compatibility with your vehicle make and model before installation
  • Use appropriate tools to remove the old idler arm and install the Delphi TC1638
  • Ensure the grease fitting is accessible for routine maintenance
  • After installation, check steering alignment and adjust if necessary
  • Regularly lubricate the idler arm using the included grease fitting to maintain optimal performance

Quality Assurance and Warranty

Delphi manufactures the TC1638 steering idler arm to meet industry standards for durability and performance. This standard replacement part undergoes quality inspections to ensure reliable operation. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in your purchase.

BrandDelphi
Part NumberTC1638
Arm Attachment TypeStud
Grease Fitting IncludedYes
GreaseableYes
Item GradeStandard Replacement
Length5.24
Mounting Hole Diameter0.49
Pre-GreasedYes

This part fits 133 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2005ChevroletBlazer4WDN/A
2005GMCJimmyN/A
2004ChevroletBlazer4WDN/A
2004ChevroletS10N/A
2004GMCJimmyN/A
2004GMCSonomaN/A
2003ChevroletBlazer4WDN/A
2003ChevroletS104WDN/A
2003GMCJimmyN/A
2003GMCSonoma4WDN/A
2002ChevroletBlazer4WDN/A
2002ChevroletS104WDN/A
2002GMCJimmy4WDN/A
2002GMCSonoma4WDN/A
2001ChevroletBlazerAWDN/A
2001ChevroletBlazer4WDN/A
2001ChevroletS104WDN/A
2001GMCJimmy4WDN/A
2001GMCSonoma4WDN/A
2001OldsmobileBravadaN/A
2000ChevroletBlazerAWDN/A
2000ChevroletBlazer4WDN/A
2000ChevroletS104WDN/A
2000GMCJimmy4WDN/A
2000GMCSonoma4WDN/A
2000IsuzuHombre4WDN/A
2000OldsmobileBravadaN/A
1999ChevroletBlazerAWDN/A
1999ChevroletBlazer4WDN/A
1999ChevroletS104WDN/A
1999GMCJimmy4WDN/A
1999GMCSonoma4WDN/A
1999IsuzuHombre4WDN/A
1999OldsmobileBravadaN/A
1998ChevroletBlazer4WDN/A
1998ChevroletS104WDN/A
1998GMCJimmy4WDN/A
1998GMCSonoma4WDN/A
1998IsuzuHombre4WDN/A
1998OldsmobileBravadaN/A
1997ChevroletBlazer4WDN/A
1997ChevroletS104WDN/A
1997GMCJimmy4WDN/A
1997GMCSonoma4WDN/A
1997OldsmobileBravadaN/A
1996ChevroletBlazer4WDN/A
1996ChevroletS104WDN/A
1996GMCJimmy4WDN/A
1996GMCSonoma4WDN/A
1996OldsmobileBravadaN/A
1995ChevroletBlazer4WDN/A
1995ChevroletS104WDN/A
1995GMCJimmy4WDN/A
1995GMCSonoma4WDN/A
1994ChevroletS104WDN/A
1994ChevroletS10 Blazer4WDN/A
1994GMCJimmy4WDN/A
1994GMCSonoma4WDN/A
1994OldsmobileBravadaN/A
1993ChevroletS104WDN/A
1993ChevroletS10 Blazer4WDN/A
1993GMCJimmy4WDN/A
1993GMCSonoma4WDN/A
1993OldsmobileBravadaN/A
1992ChevroletS104WDN/A
1992ChevroletS10 Blazer4WDN/A
1992GMCJimmy4WDN/A
1992GMCSonoma4WDN/A
1992OldsmobileBravadaN/A
1991ChevroletS104WDN/A
1991ChevroletS10 Blazer4WDN/A
1991GMCS15 Jimmy4WDN/A
1991GMCSonoma4WDN/A
1991OldsmobileBravadaN/A
1990ChevroletS104WDN/A
1990ChevroletS10 Blazer4WDN/A
1990GMCS154WDN/A
1990GMCS15 Jimmy4WDN/A
1989ChevroletS104WDN/A
1989ChevroletS10 Blazer4WDN/A
1989GMCS154WDN/A
1989GMCS15 Jimmy4WDN/A
1988ChevroletS104WDN/A
1988ChevroletS10 Blazer4WDN/A
1988GMCS154WDN/A
1988GMCS15 Jimmy4WDN/A
1987ChevroletS104WDN/A
1987ChevroletS10 Blazer4WDN/A
1987GMCS154WDN/A
1987GMCS15 Jimmy4WDN/A
1986ChevroletS104WDN/A
1986ChevroletS10 Blazer4WDN/A
1986GMCS154WDN/A
1986GMCS15 Jimmy4WDN/A
1985BuickRivieraN/A
1985CadillacEldoradoN/A
1985CadillacSevilleN/A
1985ChevroletS104WDN/A
1985ChevroletS10 Blazer4WDN/A
1985GMCS154WDN/A
1985GMCS15 Jimmy4WDN/A
1985OldsmobileToronadoN/A
1984BuickRivieraN/A
1984CadillacEldoradoN/A
1984CadillacSevilleN/A
1984ChevroletS104WDN/A
1984ChevroletS10 Blazer4WDN/A
1984GMCS154WDN/A
1984GMCS15 Jimmy4WDN/A
1984OldsmobileToronadoN/A
1983BuickRivieraN/A
1983CadillacEldoradoN/A
1983CadillacSevilleN/A
1983ChevroletS104WDN/A
1983ChevroletS10 Blazer4WDN/A
1983GMCS154WDN/A
1983GMCS15 Jimmy4WDN/A
1983OldsmobileToronadoN/A
1982BuickRivieraN/A
1982CadillacEldoradoN/A
1982CadillacSevilleN/A
1982OldsmobileToronadoN/A
1981BuickRivieraN/A
1981CadillacEldoradoN/A
1981CadillacSevilleN/A
1981OldsmobileToronadoN/A
1980BuickRivieraN/A
1980CadillacEldoradoN/A
1980CadillacSevilleN/A
1980OldsmobileToronadoN/A
1979BuickRivieraN/A
1979CadillacEldoradoN/A
1979OldsmobileToronadoN/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:

101-713326033093IA6251K6251TMK6251T

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