The Universal Oil Dipstick Filler Tube is a robust solution for TH350 and TH400 transmissions, featuring a heavy-duty lockdown mechanism for secure placement. This dipstick tube ensures reliable fluid level measurements while maintaining a tight seal. The locking-type design prevents accidental displacement during vehicle operation, making it an essential component for transmission maintenance. Compatible with FOR GM transmissions, this universal fit dipstick tube combines practicality with durability. The sturdy construction allows for consistent, accurate fluid level readings, while the universal design makes it a versatile choice for various applications. Whether you're a professional mechanic or maintaining your own vehicle, this dipstick tube provides the reliability and functionality needed for proper transmission maintenance.