TCI 373900 Beast Sun Shell for GM 700R4, 4L60E and 4L65E Transmissions

The TCI 373900 Beast Sun Shell is a heavy-duty automatic transmission replacement component designed for GM 700R4, 4L60E, and 4L65E applications. Manufactured from durable steel, this sun shell is engineered to provide dependable support within the planetary geartrain and help restore reliable transmission operation during rebuild or repair work.
The Beast Sun Shell is supplied by SPX Filtran and is designed as a direct-fit service component for compatible transmissions. Its reinforced steel construction offers increased durability compared with common factory-style sun shells, making it a practical choice for performance-oriented builds, heavy-duty street applications, and transmission overhauls where added strength and dependable engagement are important.
Designed for professional installers and transmission rebuilders, the TCI 373900 helps address common sun shell wear and failure concerns while maintaining compatibility with the specified GM transmission families. Verify transmission identification and application requirements before installation to ensure proper fitment. This component is sold individually and is suitable for replacement during a complete rebuild or targeted transmission repair.

Features:

• Brand: TCI

• Part Number: 373900

• Product Type: Automatic transmission sun shell

• Series: Beast

• Material: Durable steel construction

• Application: GM 700R4, 4L60E and 4L65E transmissions

• Supplier: SPX Filtran

• Quantity: Sold individually

• Shipping Classification: Not air restricted and not limited to truck freight