My recollection from lurking on this forum for years is many replace the original 3-T air bags with ones
made by Firestone (who I'm pretty sure is still in business...;-D...).
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A quick DuckDuckGo search reveals several discussions on the sister toyotamotorhomes.org site. I'm sure you
can search the back file here as well.
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My DDG search also brought up this company selling a kit for Toyota RVs.
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To my knowledge, there's nothing exceptional about the 3-T air springs, so replacements from another source
should be fine.
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Buzz L.
San Jose, CA
Former 1986 Dolphin, 1989 HiLux, and 1996 Tacoma owner
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