Imeo has recently posted a full list of all GG products and their parts. This should make it easier for you to see which parts have been available and compatible with each product. The list does not mean that parts are in stock so for that you will have to check for yourself. As you can see it is a very long list and explains why producing parts can be a huge job in itself. Anyway the list is copied below for you to see.
GGTS
venting cap inox
venting cap brass
axis
axis plastic
battery spring
button pin
button case
button locking ring
button locking ring brass
button adjustable path ring
button adjustable path ring brass
button head inox
button head inox mat
button head brass
button head naval brass
button spring
901 rethreader
collector tank inox
collector tank brass
Ithaka-GGTS CR inox knurled
Ithaka-GGTS CR brass knurled
Ithaka-GGTS CR inox smooth
Ithaka-GGTS CR brass smooth
connector inox
connector brass
connector knurled inox
connector knurled brass
UFS-GGTS connector polugonal nut
UFS-GGTS connector plastic
connector center pin
901 lid inox
aluminium under 901 lid
901 lid inox (margaruite style)
901 lid brass
801 lid inox
aluminium under 801 lid
801 lid inox (margaruite style)
801 lid brass
fuse plastic
fuse bolt
fuse axis
fuse spring
old 4 in 1 cap inox
old 4 in 1 cap brass
old 4 in 1 cap inside pieces (same as 31-32-33 lines)
old 4 in 1 connector inox
adapter case inox
adapter center pin
engraved tube inox
engraved tube brass
telescope inox
telescope brass
extension sleeve inox
extension sleeve brass
3 x extension sleeves inox (for 2x18650 batteries)
3 x extension sleeves brass (for 2x18650 batteries)
set of 6 replacement o-rings
JUSTGG
JUSTGG mat
JUSTGG brass
venting cap inox
venting cap inox mat
venting cap brass
axis
axis plastic
axis moving pin
axis cover
axis cover plastic
spring holder
battery spring
justGG-GGTS button pin
justGG-GGTS button case
justGG-GGTS button locking ring inox
justGG-GGTS button locking ring brass
justGG-GGTS button adjustable path ring inox
justGG-GGTS button adjustable path ring brass
justGG-GGTS button head inox
justGG-GGTS button head inox mat
justGG-GGTS button head brass
justGG-GGTS button spring
collector tank inox
collector tank inox (new)
collector tank inox mat (new)
collector tank brass (new)
collector tank center pin
collector tank threaded center pin
collector tank center pin plastic
CR inox
CR inox (new)
CR inox mat (new)
CR brass
CR brass (new)
CR brass mat (new)
CR naval brass
lid
lid center pin
lid mat
engraved tube inox
engraved tube inox mat
engraved tube inox mat (esg)
engraved tube brass
engraved tube brass (eagle)
engraved tube brass (esg)
telescope inox
telescope inox mat
telescope brass
extension sleeve inox
extension sleeve inox mat
extension sleeve brass
extension sleeve naval brass
solid 18650 tubes inox
solid 18650 tubes inox (April 2015)
solid 18650 tubes inox mat (April 2015)
solid 18650 tubes brass
solid 18650 tubes brass (April 2015)
set of 6 replacement o-rings
STEALTH
STEALTH mat
Just GG-STEALTH venting cap inox
Just GG-STEALTH venting cap inox mat
Just GG-STEALTH venting cap brass
Just GG-STEALTH axis
Just GG-STEALTH axis plastic
Just GG-STEALTH spring holder
Just GG-STEALTH axis moving pin
Just GG-STEALTH battery spring
JustGG-GGTS-STEALTH button pin
JustGG-GGTS-STEALTH button case
JustGG-GGTS-STEALTH button locking ring
JustGG-GGTS-STEALTH button locking ring brass
JustGG-GGTS-STEALTH button adjustable path ring
JustGG-GGTS-STEALTH button adjustable path ring brass
JustGG-GGTS-STEALTH button head inox
JustGG-GGTS-STEALTH button head inox mat
JustGG-GGTS-STEALTH button head brass
JustGG-GGTS-STEALTH button spring
atomizer cap inox
atomizer cap inox mat
atomizer cap naval brass
atomizer cap brass
removable connector
center pin
center pin plastic
engraved tube inox mat
engraved tube brass
rethreater inox
rethreater brass
set of 2 replacement o-rings
GGTB
venting cap inox
venting cap brass
GGTS axis
GGTS axis plastic
GGTS battery spring
atomizer cap inox
STEALTH old center pin
Stealth old center pin plastic
button pin
button case
justGG-GGTS button locking ring
justGG-GGTS button locking ring brass
justGG-GGTS button adjustable path ring
justGG-GGTS button adjustable path ring brass
justGG-GGTS button head inox
justGG-GGTS button head brass
justGG-GGTS button spring
fake battery axis
fake battery plastic
engraved tube inox (April 2015)
engraved tube brass (April 2015)
set of 2 replacement o-rings
IATTY
mouthpiece plastic
mouthpiece inox
refilling cap
body
body ESG
base
pin
base plastic
upper plastic
cone
ceramic
GGTS hybrid base
set of 4 replacement o-rings
UFS
base
clear window
upper body
refilling cap
UFS-ODYSSEUS small cap (for bigger atomizers)
connector
UFS-GGTS connector polugonal nut
UFS-GGTS connector plastic
center pin
510 extension
collector tank
CR inox
CR brass
mouthpiece inox
mouthpiece plastic
window inox
set of 12 replacement o-rings
AVS
flat metal mouthpiece
ODYSSEUS
UFS-ODYSSEUS small cap
refilling cap
body
510 base
510 base for GGTS
mouthpiece
ceramic housing
ceramic v1
ceramic v2
center post
Ithaka-Penelope V1-Odysseus-center post top nut
Penelope V1-Odysseus center post base nut
Ithaka-Penelope V1-Odysseus plastic between center post and ceramic housing
upper connection nut
ODYSSEUS UPDATE
mouthpiece - full mode
510 mouthpiece internal nut
mouthpiece - CE2 full mode
mouthpiece 510 atomizer-full mode
atomizer center pin - 510/CE2 full mode
atomizer insert - 510/CE2 full mode
atomizer insert insulator- 510/CE2 full mode
clear window - full mode
tank extension - full mode
mouthpiece - drip mode
base - drip mode
upper connection nut - drip mode
GGTS hybrid base
window inox- full mode
set of 12 replacement o-rings for Odysseus short & long mode
PENELOPE V1
ceramic housing
ceramic
center post
Ithaka-Penelope V1-Odysseus-center post top nut
upper connection nut
Penelope V1-Odysseus center post base nut
Ithaka-Penelope V1-Odysseus plastic between center post and ceramic housing
mouthpiece
cap
body
base
set of 3 replacement o-rings
PENELOPE V2
ceramic housing
ceramic
center post
center post top nut
plastic between center post and ceramic housing
ceramic housing plastic nut
Penelope V3 - V2 cap
Penelope V3 - V2 cap brass
Penelope V3 - V2 body
base
Penelope V3-Ithaka-Penelope V2 AD pin
mouthpiece
mouthpiece air control
mouthpiece without air control
short body
short mouthpiece
Set of 6 replacement o-rings
PENELOPE V3
Penelope V3 - V2 cap
Penelope V3 - V2 cap brass
Penelope V3 - V2 body
base
housing
center post
mouthpiece
Penelope V3-Ithaka-Penelope V2 AD pin
Penelope V3-Ithaka center post plastic
Penelope V4 mini-Penelope V3-Ithaka negative base
Penelope V4 mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 positive pin
Penelope V4 mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 negative pin
Penelope V4 mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 wire holder
center post pin
Penelope V4 mini-Penelope V3-Ithaka sandwich plastic
Penelope V3-Ithaka insulator
mouthpiece short
mouthpiece drip tip
cap for mouthpiece drip tip
Set of 4 replacement o-rings
ITHAKA
AD base
Ithaka-GGTS CR inox knurled
Ithaka-GGTS CR brass knurled
Ithaka-GGTS CR inox smooth
Ithaka-GGTS CR brass smooth
hybrid base for GGTS
lower body
clear window
upper body
refilling cap
refilling small cap
refilling small cap brass
ceramic housing
ceramic housing plastic nut
ceramic
Ithaka-Penelope V1-Odysseus center post top nut
center post
Ithaka-Penelope V1-Odysseus plastic between center post and ceramic housing
AD pin
mouthpiece
basic feeding
wick per meter (2 mm in width)
wick per meter (2,5mm in width)
wick per meter (3mm in width)
wick per meter (3,5mm in width)
ready wires 1,7 (flat, 0,4*0,05mm)
drip tip mouthpiece
telescopic mouthpiece external body
telescopic mouthpiece internal body
telescopic mouthpiece cap
window inox
Ithaka dripper mouthpiece
Ithaka dripper cap
Set of 8 replacement o-rings
ITHAKA NEW REBUILDABLE PART
housing
center post
mouthpiece
longer mouthpiece
short mouthpiece
Penelope V3-Ithaka-Penelope V2 AD pin
Penelope V3-Ithaka center post plastic
Penelope V4 mini-Penelope V3-Ithaka negative base
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 positive pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 negative pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 wire holder
center post pin
Penelope V4 mini-Penelope V3-Ithaka sandwich plastic
drip tip mouthpiece
Set of 2 replacement o-rings
ESTERIGON
ESTERIGON inox
ESTERIGON brass
locking cap
locking cap brass
venting cap
venting cap brass
negative battery insulator
body 18500
body 18500 mat
body 18500 brass
body 18350
body 18350 mat
body 18350 brass
body 18650
body 18650 mat
body 18650 brass
battery moving pin
Proteus-Esterigon moving pin case (exists 2 times on esterigon)
battery center post
Proteus-Esterigon battery-atomizer spring (exists 2 times on esterigon)
steady pin insulator
button case
button case brass
atomizer moving pin
atomizer moving pin insulator
Proteus-Esterigon atomizer center post
Proteus-Esterigon atomizer insulator
atomizer cap
atomizer cap without AD
AD ring
AD ring brass
button pin
button head
button head brass
button insulator
button spring
Set of 10 replacement o-rings
TILEMAHOS
TILEMAHOS V1
TILEMAHOS V1 AD
cap
cap brass
body
body mat
body long snined
base
AD base
housing
center post
mouthpiece
drip tip mouthpiece
drip tip mouthpiece's cap
Tilemahos V2-Tilemahos V1 center post plastic
Tilemahos V2-Tilemahos V1 negative base
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 positive pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 negative pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 wire holder
center post pin brass
center post pin inox
center post pin inox for AD base
center post pin brass for AD base
AD ring for AD base
AD ring for AD base brass
Tilemahos V2-Tilemahos V1 sandwich plastic
Tilemahos V1 insulator
esterigon hybrid base
esterigon hybrid center pin
esterigon hybrid rethreater
esterigon hybrid AD ring
clear tank
Set of 8 replacement o-rings
GG4S
GG4S mat
GG4S AD with inox ring
GG4S AD with brass ring
GG4S AD with inox ring mat
GG4S AD with brass ring mat
Body
Button brass shined
Button brass mat
Button inox shined
Button inox mat
Button center post
Button side pin
Atomizer cap inox shined
Atomizer cap inox mat
lock inox shined
lock inox mat
lock brass shined
lock brass mat
AD atomizer cap inox shined
AD atomizer cap inox mat
AD cap pin
AD cap pin insulator
AD Ring brass shined
AD Ring brass mat
AD Ring inox shined
AD Ring inox mat
Spring
Button center post case for Inox button
Set of 4 replacement o-rings
TILEMAHOS V2
TILEMAHOS V2 AD 21mm
TILEMAHOS V2 AD 21mm mat
TILEMAHOS V2 AD 22mm
TILEMAHOS V2 AD 22mm mat
TILEMAHOS V2 AD 23mm
TILEMAHOS V2 AD 23mm mat
body inox 21mm
body inox 21mm mat
body inox 22mm
body inox 22mm mat
body inox 23mm
body inox 23mm mat
base inox 21mm
base inox 21mm mat
base inox 22mm
base inox 22mm mat
base inox 23mm
base inox 23mm mat
base 22mm without AD
center pin for base 22mm without AD
base 22mm without AD mat
AD ring 21mm inox
AD ring 21mm inox mat
AD ring 21mm brass
AD ring 22mm inox
AD ring 22mm inox mat
AD ring 22mm brass
AD ring 23mm inox
AD ring 23mm inox mat
AD ring 23mm brass
cap inox
cap inox mat
cap brass
drip tip mouthpiece
solid mouthpiece
housing
center post
center post extension
Tilemahos V2-Tilemahos V1 center post plastic
Tilemahos V2-Tilemahos V1 sandwich plastic
AD center pin
Tilemahos V2-Tilemahos V1 negative base
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 positive pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 negative pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 wire holder
body long 21mm
body long 22mm
body long 23mm
clear tank 21mm
clear tank 22mm
clear tank 23mm
Tilemahos V2-Tilemahos V1 hybrid base 23mm for GGTS-justGG
Tilemahos V2-Tilemahos V1 hybrid center pin for GGTS-justGG
drip tip short
drip tip long
drip tip curved
drip tip short thin
Tilemahos V2-Tilemahos V1 hybrid base 21mm for GGTS-justGG
Tilemahos V2-Tilemahos V1 hybrid center pin for GGTS-justGG
Set of 8 replacement o-rings
PENELOPE V4 MINI
body
cap
base
mouthpiece
housing
center post extension
center post
center post plastic
Penelope V4 mini-Penelope V3-Ithaka sandwich plastic
AD center pin
Penelope V4 mini-Penelope V3-Ithaka negative base
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 positive pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 negative pin
Penelope mini-TilemahosV2-Tilemahos V1-Ithaka-Penelope V3 wire holder
Clear Tank
Set of 6 replacement o-rings
