4L60-E, 4L65-E, 4L70-E Forward Accumulator Piston Part No. 74927-AP
4L60-E, 4L65-E, 4L70-E Forward Accumulator Piston Part No. 74927-AP
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4L60-E, 4L65-E, 4L70-E Forward Accumulator Piston Part No. 74927-AP

$20.56
$20.56
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4L60-E, 4L65-E, 4L70-E

Forward Accumulator Piston
Part No. 74927-AP

OE Part No. 8686017 or 24200126

In 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 integrity at the pin bore. The drop-in Zip Valve™ part installs quickly and easily.

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