Seller notes

4L60-E, 4L65-E, 4L70-E Transmission Forward Accumulator Piston Part No. 74927-AP OE Part No. 8686017 or 24200126In GM 4L60-E, 4L65-E and 4L70-E units, it is common for the plastic Forward accumulator piston to wear or crack and older aluminum piston bores to wear from repeated reciprocation. This causes a loss of fluid, resulting in delayed engagement, slips, burnt clutches and/or bands. Sonnax aluminum Forward accumulator piston 74927-AP eliminates the cracking problem and restores hydraulic in...

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