Ars calculates the size of the DualShock 4 touchpad: about 2.1” x 1”

A little image wrangling (and math) generates a general sizing estimate.

PlayStation Controller Dimensions & Drawings

eXtremeRate Replacement D-pad R1 L1 R2 L2 Triggers Touchpad Action Home Share Options Buttons for ps4 Controller, Chrome Gold Full Set Buttons Repair Kit for ps4 Slim Pro CUH-ZCT2 Controller – eXtremeRate

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PlayStation Controller Dimensions & Drawings

Game Controller Repairing Touch Pad Accessory, Wearable and Durable Replacement Touchpad for PS4 Gamepad : Video Games

Dualshock 4 Touchpad button in games like Death Stranding? : r/MoonlightStreaming

DualShock 4 (CUH-ZCT1U) Touch Pad Replacement - iFixit Repair Guide

JCD Joystick Controller Touchpad Board For PS4 Slim Pro 4.0 5.0 CUH-1000/1100 JDM-030 JDS-040 Gamepad Touch Pad W/ Flex Cable - AliExpress

Project Caliper: the journey of prototyping optimal controllers for VR - The Ghost Howls

Please check the third picture of the listing. If your controller model starts with CUH-ZCT2, then fits. Or simply, if the light bar is on the edge of

eXtremeRate Replacement D-pad R1 L1 R2 L2 Triggers Touchpad Action Home Share Options Buttons for ps4 Controller, Black Full Set Buttons Repair Kits

PlayStation Controller Dimensions & Drawings

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