WIX Racing Filters 58878 Transmission Filter and Gasket Kit for GM THM250 and THM350

The WIX Racing Filters 58878 Transmission Filter and Gasket Kit is designed for GM THM250 and THM350 automatic transmissions. This service kit provides the essential filtration component and sealing gasket needed during transmission maintenance, helping support clean transmission fluid and dependable operation in demanding automotive applications.
The filter helps capture contaminants that can circulate through the transmission fluid, while the included gasket supports a secure seal between the transmission pan and housing during installation. Replacing the filter and gasket together is a practical way to refresh key service components and help maintain proper fluid flow through the transmission system.
Built for a direct-fit application, the WIX Racing Filters 58878 kit is suited to professional repairs, routine transmission service, and performance-oriented maintenance. Verify vehicle and transmission compatibility before installation, and follow the manufacturer’s recommended procedures for fluid replacement, pan removal, gasket installation, and final fluid-level checks. This kit is not restricted for air shipment and does not require truck freight.

Features:

• Application: Designed for GM THM250 and THM350 automatic transmissions

• Product Type: Transmission filter and gasket service kit

• Filtration: Helps remove contaminants from transmission fluid

• Sealing: Includes a gasket to support a reliable transmission pan seal

• Brand Quality: Manufactured by WIX Racing Filters for automotive service applications

• Installation: Intended for direct-fit replacement when compatibility is confirmed

• Shipping: Not air restricted and does not require truck freight