Sonnax Low/Reverse Servo Piston For 4L80-E Transmission - Part #34914-02 (1996 & Later)

About This Product

Fixing up a 4L80-E automatic transmission? This Sonnax Low/Reverse Servo Piston (part number 34914-02) is a crucial replacement part. It's designed for 1996 and later model 4L80-E transmissions. The servo piston is responsible for applying the low/reverse band inside your transmission. If yours is worn, cracked, or damaged, it can cause slipping, no reverse, or harsh shifts. Sonnax is a respected name in transmission parts, known for high-quality upgrades and replacements. This piston is brand new in its package. Replacing it can restore firm, crisp shifts and reliable operation. This is a part for experienced transmission builders or mechanics. If you're rebuilding a 4L80-E, make sure this is on your parts list.