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Scion xB 2nd-Gen Drivetrain & Power Engine and transmission discussions...

Help! 2azfe "upgraded piston rings" part numbers for "B" pistons?

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Old Oct 6, 2025 | 06:27 PM
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M4g1kBoks's Avatar
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Default Help! 2azfe "upgraded piston rings" part numbers for "B" pistons?

I have left all over trying to find the correct part numbers for my piston rings. There are several part numbers out there but I am confused on which ones are the so-called high tension piston rings. Putting a '07 Scion tC 2.4 l in a '08 Scion xB and rebuilding the engine right now. If someone could please give me the correct part number I should be looking for for a full set of piston rings that are the "updated" version, that would be wonderful. I keep seeing both 13011-0H031 and 13011-28161 but from my understanding the 28161 rings are the old version although on some sites I see both part numbers cross reference back and forth. Alternatively if there's another set of affordable rings that are durable if someone could give a list of part numbers and brand names that they have experience with I think that would be helpful for more people than just me.

Thank you

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