OE cast aluminum servo pistons can be brittle and are prone to breaking. Sonnax heavy duty low/reverse servo piston 34914-02 for GM ’96-later 4L80-E transmissions is a direct replacement upgrade made from high-strength, billet aluminum to prevent failure.
Transmission
’96+ 4L80E Heavy Duty Low/Reverse Servo Piston – Sonnax 34914-02
$67.99
SKU: 34914-02
Category: Transmission
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