Gen 3 Fel-Pro Valve Cover Gasket Kit VS 50823 R

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by PriuSocal, Feb 1, 2026 at 10:32 PM.

  1. PriuSocal

    PriuSocal Member

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    Just a quick post to see if anyone else has purchased and installed the Fel-Pro VS50823R valve cover gasket kit on their gen 3?

    I read the reviews online and somewhere on youtube that the spark plug seals are too big on the fel-pro gasket kit and did not fit and others say they froze them and they fit and others say they worked good, so I am looking for real world experience on here as some of those amazon reviews could be user error or not.

    I am thinking of installing a fel-pro kit on my gen 3 since it's half the price of the mahle and I get it next day vs a week later on the latter. I personally have used fel-pro gaskets before and never had an issue like I read with these gen 3 kits. I bought and installed a Mahle valve cover gasket on my wifes Honda and it appeared to be larger than the OEM as there was a large amount sticking out which ultimately just ended up needing to be stretched out a bit and fit perfect after.
     
  2. Mendel Leisk

    Mendel Leisk MMX GEN III

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    Toyotas engine overhaul kit not in the running?

    Google:

    3rd gen prius genuine toyota engine overhaul kit

    the AI summary is helpful.
     
  3. ASRDogman

    ASRDogman Senior Member

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    Freeze them, to make them fit? What happens when the engine heats up? They no longer fit?
    You have to "trim" gaskets to make them fit?

    Those are not red flags to you????

    One size fits all!