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
$66.47
SKU: 34914-02
Category: Transmission
| Weight | 10 oz |
|---|---|
| Dimensions | 12 × 10 × 4 in |
| GTIN | none |
| MPN | 34914-02 |
| Brand | Sonnax |






