If anyone is still wondering: Yes, You can swap any module between PS4 and XBOX eSwap controllers - they fit and they work (at least on PC, didn't tested on consoles) :
ESWAP X PRO CONTROLLER | Thrustmaster U.S eShop
Thrustmaster Eswap Pro Gamer Controller Joypad PS4 PC Sony Officially Licensed | eBay
Amazon.com: THRUSTMASTER ESWAP XR Pro Controller Forza Edition, Modular Wired Gamepad, Racing Wheel Module, Official FORZA HORIZON 5 and Xbox Series X|S, Precise Mini-Sticks, Tact Switches : Everything Else
Thrustmaster ESWAP Pro Controller PS4 Controller Gamepad | eBay
Thrustmaster Eswap Pro Controller for PS4
ESWAP PRO CONTROLLER - | Thrustmaster
Thrustmaster eSwap Pro controller review: Good quality at too high a price | Android Central
Thrustmaster eSwap Pro Controller | Officially Licensed for PS4 - YouTube
Amazon.com: Thrustmaster ESWAP X PRO Controller with ESWAP X PRO Blue Color Pack: (Xbox One, Series X|S and Windows) : Everything Else
Thrustmaster Eswap Pro Controller review | PC Gamer
Thrustmaster's eSwap Pro modular PS4 controller has swappable parts | TechSpot
Thrustmaster ESWAP X Fighting Pack 4460181 B&H Photo Video
Thrustmaster eSwap Pro Controller YELLOW COLOR PACK Accessory kit for PS4 PC | eBay
Thrustmaster eSwap PS4 Pro Controller Review | TheSixthAxis
Thrustmaster eSwap Pro PC/PS4 Controller Black | Techinn
Thrustmaster eSwap X R Pro Controller Forza Horizon 5 Edition for Xbox One, Xbox X|S, PC White - Best Buy
Gamepad Thrustmaster eSwap Pro Controller, pro PS4/PS5/PC (4160726) černý | KASA.cz
ESWAP PRO CONTROLLER - | Thrustmaster
ESWAP PRO CONTROLLER - | Thrustmaster
Thrustmaster ESwap Pro Controller Review — Your Controller, Your Style – Pokde.Net
Thrustmaster Pro Controller Ps4, ESWAP - WasilOnline
eSwap PS4 Pro Controller Unboxing - Professional PlayStation 4 Gamepad (Modern Warfare Gameplay) - YouTube