FE1 Part Numbers
Sway bar: 15822933(18mm not 19)
Bar clamps: 22608428(FE3 same)
Bar insulators: 15821022
Rear Axle: 15232753
Bar Links: 15782690(same as FE3)
Struts: 15876215/15876216(L/R, same as FE3)
Shocks: 22696400
Frt Springs: various, L/R diff.(not used by other RPOs)
Rr Springs: 22705489
Lower control arms: multiple numbers, varies by year and equipment, steel, not used by other RPOs
Knuckle: 22667248/22667249(L/R, same as all models except LNF/FE5

FE3 Part numbers:
Sway Bar: 15782964
Clamps: 22608428(same as FE1)
Insulators: 15820163
Rear Axle: 15232752(Same as FE5)
Links: 15782690(same as FE1)
Struts: 15876215/15876216(L/R, same as FE1)
Shocks: 10368516
Frt Springs: various, L/r different, (not shared wirth other RPOs)
Rr springs: 10390024(same as FE5)
Lower control arms: 15787556/15787555( L/R, aluminum, NOT the same as FE5)
Knuckle: 22667248/22667249(L/R same as all models except LNF)

FE5 part numbers
Sway bar: 15821093
Clamps: 22608428('05 only , 1bolt/1slot) 10389617(2 bolt, ALL other FE5 including LNF)
Insulators: 22700091('05 only) 15822993(06-07 only)
Rear Axle: 15232752(same as FE3)
Links: 20784688(ALL FE5 same, including LNF)
Struts: 15247245/15247246(L/R)
Shocks: 22728821
Frt Springs: 21994335(L/R same)
Rr springs: 10390024(same as FE3)
Lower control arm: 15803766/15803767( L/R, right same as LNF)
Knuckle: 22667248/22667249(same as all except LNF)

LNF/FE5 Part numbers
Sway bar: 15782696
Clamps: 10389617(same as 06-07 FE5)
Insulators: 25847760
Rear Axle: 25864579
Links: 20784688( ALL FE5 same)
Struts: 19181044/19181043(L/R)
Shocks: 25793745
Frt Springs: 25833647(L/R same)
Rr Springs: 25821162
Lower control arm: 25930725/15803767( L/R, right same on ALL FE5)
Knuckle: 25923942/25923941(L/R, unique to LNF)


I think this should be my sticky.