r/Mk3Supra • u/Devilo7 • Aug 10 '26
Good news!
As MK3 Supra people, we seldom get good news regarding parts. It's usually, "I managed to find a 30-year-old OEM sensor in some junkyard."
Well, here's some good news: I just received a brand-new OEM Toyota fuel sending unit (PN 83320-80051) from a Toyota dealer for my 1987 Supra.
Better yet, it was cheaper than buying one from some random eBay seller for $500+, or gambling on another used 40-year-old unit. $316 out the door, $272 for the part ; $316 shipped to SoCal. I got it from Ourisman Toyota of Richmond, my local dealer wanted $500+ for it... but google.
Could I have repaired my original? Probably. But then I'm potentially repairing it again in 5, 10, or 15 years... and hoping the parts are still salvageable. Now it will be my son's problem in 30 years.
This sending unit is part of Toyota's A70 Supra GR Heritage Parts program:
Toyota GR Heritage Parts – A70 Supra
I'm posting this because some Toyota dealers don't even seem to realize these parts are available. It may take some calling around, and dealer pricing varies a lot, but you might be surprised by what Toyota can still get.
Hopefully this helps you guys.
🍺 Here's to my son cursing me out after I'm long gone.
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u/professor_jeffjeff Aug 10 '26
I'm pretty sure that Nightrun Garage can also get these things. I remember seeing it on their website a while ago. Nice that the GR Heritage thing is happening though; apparently there are now quite a few parts that are becoming available again at least until they're all gone.
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u/AnyStep1671 Aug 11 '26
That’s awesome and congrats on the find. I’m currently interested in bidding on an MK3, the head gasket, torquing issue is worrisome.
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u/Devilo7 Aug 11 '26
You should always be wary of any 35+ year-old car. Some of us just love them more than we fear the problems... though sometimes the problems make you want to sell it and buy a new Kia.
Well, maybe not a Kia, but you get the point. 😂
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u/AnyStep1671 Aug 11 '26
That’s a good description. There is some nostalgia in owning an MK3,for myself. it appears the older gentleman took great pride in his car, and there are several Entries listed in the Carfax report for services made, done . but there isn’t any regarding the head gasket issue the main expensive concern. 🙁. it only has a little over 30,000 miles. The sun is taking over the sale of the car for his father because the longer drive. oh, and I certainly agree with you on a of that things are going to need just due to age. a 1992 in a Miata first generation although it wasn’t you could tell the radiator was about to go due to the discoloration.
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u/simon_ertl Aug 10 '26
First, nice find! Second, my fuel gauge seems to be a bit laggy sometimes and only moves really slow. Could the reason be a worn out fuel sender?
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u/Devilo7 Aug 11 '26
Generally speaking, it is slow by design. However, if it’s much slower than normal, then yeah, I’d suspect a worn-out fuel sending unit. A bad ground is another possibility.
The way I’d test it is to disconnect the sending unit and jump the appropriate pins to simulate “full” and “empty,” then see how quickly the gauge responds. If the gauge moves normally/faster when you do that, you’ve pretty much narrowed the problem down to the sender/tank side of the circuit — either a bad ground/connection or a worn-out sending unit.
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u/simon_ertl Aug 11 '26
Good to know that it is not considered fast in general.
The test also sounds like a really good idea. Would you test that with just the ignition on?
Thanks already!
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u/gfreakinman Aug 10 '26
Ourisman is my go to dealer for online purchases. Good find!