Idler Arm for 1993-1999 Chevrolet C1500 & More - Delphi TL478

$67.99
WARNING:California Proposition 65▾

Vehicles this part fits

    Part number: TL478
    UPC: 689604278390
    Condition: New
    Weight: 3.50 LBS
    Item Package Quantity: 1
    $67.99
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    Delphi Steering Idler Arm P/N:TL478
    Delphi Steering Idler Arm P/N:TL478
    $67.99
    $67.99

    Keep your steering linkage supported and aligned with the Delphi Idler Arm TL478, a replacement built on Delphi's original-equipment steering experience. It is listed for many models, among them the 1993-1999 Chevrolet C1500, 1993-1999 Chevrolet K1500 and 1995-2000 Chevrolet Tahoe. It is a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list and engine details.

    This steering idler arm supports the steering linkage and pivots as the wheels turn to help keep the linkage in alignment. If a worn idler arm is behind excess steering play, wander or uneven tire wear, this unit replaces it.

    • Tested to the extreme: Delphi exposes its steering parts to temperatures below -40°C and above 120°C, and to 720 hours of salt spray.
    • Fatigue tested: Delphi fatigue tests its idler arms to help prevent failure.
    • Precision ball studs: The ball studs are machined to micron tolerances for durability and smooth joint operation.
    • Anti-corrosion protection: Applied to each part for corrosion prevention and enhanced appearance.

    Delphi's dimensional and material analysis is aimed at close compatibility between the original part and this aftermarket arm. Delphi also includes the accessories needed to complete the job. If you are shopping for a 1993-1999 Chevrolet K1500 idler arm, check your truck in the "Vehicles it fits" section before ordering.

    Interchange: 620.66019
    62066019 · 26028523 · 26028525 · 26059030 · IA6447 · IA6512 · K6447 · GK6447 · MK6447 · JIA244

    This part cross-references / interchanges with the following part numbers:

    620.66019, 26028523, 26028525, 26059030, IA6447, IA6512, K6447, GK6447, MK6447, JIA244

    Frequently Asked Questions

    Is this the right 1993-1999 Chevrolet C1500 idler arm?

    TL478 is listed for the 1993-1999 Chevrolet C1500, and also for the 1993-1999 Chevrolet K1500 and 1995-2000 Chevrolet Tahoe. The "Vehicles it fits" section shows every listed vehicle.

    What does an idler arm do?

    It supports the steering linkage and pivots as you steer. This helps keep the linkage in alignment so steering input reaches the wheels evenly.

    What are signs an idler arm may need replacing?

    Common signs include looseness or excess play in the steering, wandering, clunking when turning and uneven tire wear. These can have other causes, so inspect the linkage before replacing parts.

    How is the Delphi TL478 tested?

    Delphi fatigue tests its idler arms. Its steering parts are also exposed to temperatures below -40°C and above 120°C, plus 720 hours of salt spray.

    What comes with the idler arm?

    Delphi includes the accessories needed to complete the job. Follow the vehicle service information for installation steps and torque specs, and have the alignment checked afterward.

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