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Kit, Accumulator Sleeve, 3-4, 200-4R, 4L60, 4L60E, 4L65E, 4L70E, GM (82-UP)

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3-4 Accumulator Sleeve Kit
3-4 Accumulator Sleeve KitGMC, Piston, 3-4 Accumulator Sleeve Kit    For GM 4L60, 4L60E, 4L65E, 4L70E, 700-R4
Price: $48.18
Part Number: TAT-S74937-1K-TS

Accumulator Sleeve Kit, 3-4, GM, 4L60, 4L60E, 4L65E, 4L70E, 700-R4

In GM 4L60-E, 4L65-E and 4L70-E units it is common to have poor shift quality, burnt bands or clutches due to accumulator piston wear. Repeated reciprocation of the accumulator piston causes wear at the piston pin bore interface. After this wear reaches a critical point, fluid loss through the piston pin bore cannot be compensated due to lack of pump volume. In addition, the piston can get cocked and gall the accumulator bore due to the pin bore wear or the spring bottoming out. To prevent these conditions in the 1-2 or 3-4 accumulator bores, offering pinless accumulator piston kit.

  • Pinless design eliminates the possibility of pin bore leakage and the additional length stabilizes the piston to prevent piston cocking
  • Dual seals stabilize and completely seal the bore and provide a tight seal even after thousands of cycles
  • Steel balls plug existing pin bore in case or cover

In 200-4R applications, this kit can only be used in the 3-4 accumulator location

Features and Benefits

Sleeve is manufactured from wear-resistant aluminum.
Piston with o-ring seal is made of high-quality fluorocarbon material.
Kit includes new accumulator pin.
Piston is compatible with all OEM accumulator springs.
Requires no machining of the transmission case.

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