Delphi Coil Spring Insulator TD4649W
Delphi Coil Spring Insulator TD4649W - view 2
Delphi Coil Spring Insulator TD4649W - view 3
Delphi Coil Spring Insulator TD4649W - view 4
Delphi Coil Spring Insulator TD4649W
Delphi Coil Spring Insulator TD4649W - view 2
Delphi Coil Spring Insulator TD4649W - view 3
Delphi Coil Spring Insulator TD4649W - view 4

Front Upper Coil Spring Insulator for 1988-1991 Chevrolet C1500 & More - Delphi TD4649W

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$13.99
MPN: TD4649W
UPC: 689604347386
Item Package Quantity: 1
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Delphi Coil Spring Insulator P/N:TD4649W
Delphi Coil Spring Insulator P/N:TD4649W
$13.99

Cushion the front upper coil spring and quiet suspension ride noise with the Delphi Coil Spring Insulator TD4649W. This front upper insulator seats between the coil spring and spring seat, and it drops in as a direct-fit replacement for a wide range of GM applications — including the 1978-1981 Buick Century, 1977-1996 Chevrolet Caprice, 1976-1992 Pontiac Firebird, 1982-1990 Chevrolet S10 and 1988-1991 GMC C1500. This part fits 66 applications, so see the Buyer's Guide tab for the full list.

  • Protects the spring and seat: Delphi insulators help shield the spring and spring seat from damage.
  • Quieter ride: helps reduce suspension noise between the metal spring and seat.
  • Keeps dust out: helps block dust from the spring seat area.
  • Delphi OE testing: built with Delphi's OE steering expertise, tested to withstand temperatures below -40°C and over 120°C and exposed to 720 hours of salt spray, with dimensional and material analysis for OE-to-aftermarket compatibility.

Delphi insulators are a reliable replacement for the original equipment on the listed vehicles.

Interchange: 14047915 · 15597425 · 19240786 · 19460832 · K160044

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

14047915, 15597425, 19240786, 19460832, K160044

Frequently Asked Questions

What does this coil spring insulator do?

It seats between the front upper coil spring and the spring seat to help protect both from damage, reduce noise between the metal surfaces, and help keep dust out of the seat area.

Where is it located?

This is a front upper coil spring insulator. It fits between the coil spring and the front upper spring seat on the listed applications.

Will it fit my vehicle?

It fits 66 GM applications, including the 1978-1981 Buick Century, 1977-1996 Chevrolet Caprice and 1976-1992 Pontiac Firebird. Check the Buyer's Guide tab for the full list.

What are signs my coil spring insulator may need replacing?

Common signs include creaking or clunking noise from the spring area and a cracked, crushed, or missing insulator. Diagnose the cause before replacing.

What numbers does this part interchange with?

It cross-references 14047915, 15597425, 19240786, 19460832 and K160044.

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