• Soft shifts


Inadequate accumulator piston control due to low rate or broken spring.


This spring has performance specifications to match the purple OE accumulator spring.

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

1-2 or 3-4 Accumulator Spring
Part No. 74926

Package Quantity: 5

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Sonnax offers accumulator spring 74926 for use in the 1-2 or 3-4 accumulator of GM 4L60 and 4L60-E series transmissions. The Sonnax spring has identical performance specifications to the purple OE accumulator spring, but is made of high strength material to ensure lasting spring life and reduce spring relaxation.

  • 74926