C4 Sonnax Replacement Seal Kit K13259C-SK

Sonnax Replacement Seal Kit

Genuine Sonnax Replacement Seal Kit for the Ford, Lincoln, Mercury C4 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 C4 / C5 units. Sonnax part number K13259C-SK.

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 C4 rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every C4 order.

Special Order

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