Sonnax 74927-AP Forward Accumulator Piston Aluminum fits 4L60E 4L65E 4L70-E
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Sonnax 74927-AP Forward Accumulator Piston Aluminum fits 4L60E 4L65E 4L70-E

$7.44
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Brand: Sonnax Other Part Number: A74741G Type: Piston Interchange Part Number: 8686017,24200126 OE/OEM Part Number: 8686017, 24200126 Items Included: Accumulator Piston Manufacturer Part Number: 74927-AP Material: Aluminum Country/Region of Manufacture: United States Universal Fitment: Yes Vintage Part: No Performance Part: Yes 4L60-E, 4L65-E, 4L70-E Transmission Forward Accumulator PistonPart 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. Symptoms: Cracked pistons Burnt clutches Burnt bands Forward slip Delayed engagem

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