We have a 2000 Monaco Windsor 36 foot
Our compartment door locks are Trimark TM853
May or may not be the same as yours.
good luck.
Hint: The lock code determines the correct key for your lock and will be stamped on your original key or the face of your lock if you have lost your keys.
TRIMARK / FORETRAVEL / MONACO (GCODE) | RV LOCKS
KEYS CUT On
TM7 KEY BLANK.
$7.17
https://easykeys.com/TriMark_TM851-TM867_TM853_Key_Lock.aspx?srsltid=AfmBOooPOSvHu5wB VdX9J3AITpK_OZzISimBeXeX72YIPZjZA1Q57ukR