Fluid Level Indicators

Twist-Lock-F3

Large locking engine-oil check/fill system for 1-1/2-inch metal tubing.

Where this fits

F3 serves medium- and heavy-duty engine and transmission applications that need a large round locking cap with visual confirmation that it is secured.

Additional information

Designed around 1-1/2-inch outside-diameter metal tubing with standard or lanyard-retention spout configurations. Standard operating temperature is -40°F to +225°F.

Twist-Lock-F3 technical drawing