All 3 fit my 2019 Crosstrek. My only issue is that they cover up the indicator light so I can't tell what setting you have turned on. I ended up putting a small rectangle on all three covers to show the light. I taped it to double sided tape to keep it from falling (tape was included in the kit).
Hella 931680011 Sealed SPDT Form
3 Review
High-Performance 1 Pack 40/30 AMP 12 V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Bosch Style Automotive Relay
7 Review
Standard Motor Products US70LT Ignition
5 Review
EPAuto 5-Pack Relay Harness: 30/40 AMP, 12V, 5-PIN SPDT Bosch Style - Ultimate Power Control Solution
8 Review