2003 2004 2005 2006 Seat Back Front Seat Drivers Side: 442611
SPI 5740
HCPP Note necessary notch is on right side.
Another example. Volume Knob:
Shaft diameter ~5mm
Current shaft coupling is 4.39mm id
~3/16" ?
Band is 6.45mm interior of spring ~1/4"
outside of shaft spring 7mm
12mm od
240 degree shaft
https://www.factoryradioparts.com/products/2004-2005-2006-2007-2008-2009-ford-lincoln-pioneer-navigation-radio-replacement-knob-and-button-set 2003 2004 2005 03 04 05 LINCOLN LS V8 RADIO RECEIVER/ NAVIGATION/ CD PLAYER PLAYER
Model Number: 3W4T-18K931-AL It should like similar to this...