Transmission Parts GM 4L70-E 4L60 4L60-E 4L65-E Internal Spring Retainer
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Symptoms:

  • 3-4 Clutch failure

4L60, 4L60-E, 4L65-E, 4L70-E

3-4 Clutch Boost Spring & Retainer Assembly
Part No. 8667424

'88-Later

OE Part No. 8667424

Find a Distributor

Sonnax offers this genuine AC Delco 3-4 clutch boost spring and retainer assembly for the 4L60 (700-R4), 4L60-E, and 4L65-E.

  • 4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Clutch Boost Spring & Retainer Assembly 8667424

Related Sonnax Parts

Required

Recommended

4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Clutch Boost Spring 77763-01

4L60, 4L60-E, 4L65-E, 4L70-E

3-4 Clutch Boost Spring 77763-01

Fits '88-later units.

    Helps cure:
  • 3-4 Clutch boost spring collapse
  • 3-4 Clutch boost springs inefficient when overheated
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