6T40 Sonnax Zip Kit 6T40-ZIP

Sonnax Zip Kit

Genuine Sonnax Zip Kit for the GM, Chevrolet, GMC, Cadillac 6T40 automatic transmission. Sonnax parts are the aftermarket standard for transmission repair and performance, engineered to correct common failure points and add durability beyond the original design.

Fitment

Fits 6T40 / 6T45 units. Sonnax part number 6T40-ZIP.

Why Sonnax

Trusted by professional builders and performance shops, Sonnax components are made in the USA to exacting tolerances. This is a direct-fit upgrade for a 6T40 rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every 6T40 order.

Special Order

This Sonnax part is available by special order. Contact us for current price and availability before ordering.