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Old 10-02-2023, 09:25 PM   #1
medarlin
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72 K5 sending unit

I have the 30 gallon I believe aftermarket tank, does anyone know if it takes the stock sending unit or where I could find the one needed? I'd like to have it in hand before we drop the tank. Thanks!
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Old 10-02-2023, 09:36 PM   #2
truckster
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Re: 72 K5 sending unit

The stock tank is roughly 13" tall. If your tank is about the same, it should work.
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Old 10-02-2023, 10:10 PM   #3
medarlin
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Re: 72 K5 sending unit

Thanks, I guess I should have dug up an image before I posted. I've only seen one other before, and that was just a picture. Supposedly it's an aftermarket shaped like a fuel cell.
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Old 10-02-2023, 10:52 PM   #4
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Re: 72 K5 sending unit

Yeah, that would be a very different thing. A stock sending unit wouldn't fit that. You'll probably have to try to figure out who the manufacturer is.
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Old 10-03-2023, 07:48 AM   #5
1970cstblazer
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Lightbulb Re: 72 K5 sending unit

I have a very thick wall 37 gallon aftermarket fuel tank installed by me in 1996. It has a very small gauge unit, and its bolted to the top of the tank.
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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 10-03-2023, 02:19 PM   #6
medarlin
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Re: 72 K5 sending unit

Thanks guys, discovered its an old Hickey, now I need to find a unit deep enough for it.
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Old 10-04-2023, 08:58 AM   #7
1970cstblazer
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Lightbulb Re: 72 K5 sending unit

My tank is very similar in design and construction to the Hickey pictured, but was bought new by me in 1996 through JC Whitless.
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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 10-04-2023, 11:29 AM   #8
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Re: 72 K5 sending unit

Doing a Google search on that image brings it up as an RCI fuel cell. Searching for an RCI fuel cell sending unit brings up dozens of vendors. Here's an example:

https://www.summitracing.com/parts/rci-7060b
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