You are looking at AW70, AW71 Or BW55 automatic transmission cooling line elbow connectors for your Volvo 240 740 760 940 .
There are 2 lines on your Volvo with automatic transmission. They take hot transmission fluid via rigid metal lines into the radiator transmission cooler, and return back to the transmission.

The rigid lines attached to the transmission with 90 degree elbows.
there is a shorter one and a longer one. Shorter one placed toward the back of the car and is recessed into the transmission housing cavity slightly.

Historically, these elbow connectors rust and deteriorate badly because they act as a catalyst on the aluminum transmission housing. It can spell the end for your beloved Volvo 240 when one or both of these fails.

If your Volvo is losing a fair amount of transmission fluid, and you can determine it is leaking out of the cooling line connector joints, OR you notice there is fair amount of deterioration at those junctions -

These pieces are OEM - new materials - and perfectly fitted for your 240. It is preservation
Works for Rear Wheel Drive Volvo 240, 740, and 940 Models.