The most common and most likely answer to this crossword clue is the 7 letter word GEARBOX
G
E
A
R
B
O
X
More clues leading to the result GEARBOX
Buddy explains!
The straight part
We know that "that’ll make a change" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that’ll make a change = gearbox.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GEARBOX mean?
GEARBOX noun- An enclosed gear train.
- That part of a car's transmission containing the train of gears, and to which the gear lever is connected.