Transmission Parts GM 4L70-E 4L60-E 4L65-E Other Accumulator Components Seal Kit Service Kit
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Symptoms:

  • Lost or damaged component

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

Replacement Seal Kit
Part No. 77987-SK

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Replacement seal kit for 77987-01K

  • D-Ring
  • PTFE Seal
  • 4L60-E, 4L65-E, 4L70-E Replacement Seal Kit 77987-SK

Related Sonnax Parts

Required

Recommended

4L60-E, 4L65-E, 4L70-E Pinless Forward Accumulator Piston Kit 77987-01K

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

Pinless Forward Accumulator Piston Kit 77987-01K

Dual-seal design

  • Material: Aluminum
    Helps cure:
  • Aluminum pistons wear at the pin bore
  • Cracked pistons
  • Delayed engagement
  • Forward slip
  • Burnt clutches
  • Burnt bands
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