My Jeep had no PS Filter, and the pump died @ 171k (just like 3 months ago). Had I flushed the fluid it would probably have lasted longer. The pump was a PITA to replace but only $50. An MB pump... more $ so I'd flush it.

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Current:
2021 Charger Scat Pack Widebody "Sinabee"
2024 CR-V Hybrid

Previous:
1972 280SE 4.5
2018 Durango R/T, 2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi"
1999 Chrysler 300M - RIP @ 221k