Drivetrain Automatic Transmissions and Components

Sonnax

6T70 6T75 6T80 Transmission Seal Kit

$176.79

SKU: 6T70-G2-ZIP

In Stock
In Stock
Ships by Aug 5
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sonnax Zip Kit 6T70-G2-ZIP is engineered to target and resolve multiple concerns within GM Gen. 2 6T70, 6T75, and 6T80 valve bodies by effectively sealing critical circuit pressure losses. It also addresses issues related to end plug leakage and poor checkball sealing. Installation is straightforward, requiring no special tools, and includes a quick guide for rapid sealing and return to service. The kit also comes with a detailed technical booklet that offers comprehensive rebuild and inspection tips, along with vacuum testing information for various valve body areas. Key components within the kit include an O-ringed end plug kit, an isolator valve kit, a 4-5-6 accumulator piston kit, and parts for the TCC regulator apply valve, as well as AFL valve components and checkballs. 2 versions of the 6T70, 6T75, and 6T80 transmissions. The product is manufactured in the United States and comes with a manufacturer's warranty.

MIA's Description

2 6T70, 6T75, and 6T80 transmissions. It works by sealing critical circuit pressure losses within the valve body.

Fitment

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Specifications

BrandSonnax
Part Number6T70-G2-ZIP
CategoryDrivetrain

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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