Finally got around to replacing the hoses today, did all three as recommended.
It was a pretty straightforward job, as you guys said it would be, but getting the old hoses out was challenging. The lower hose was the hardest due to the position of the clamps. Whoever installed this hose, at the factory or after, thought it would be a funny idea to leave the clamps facing down so there was no way to get to them. Took a lot of tinkering with different tools to turn them around and finally getting them off.
The barbs had no rust, got lucky. Putting the new hoses on was easy, and I drained the radiator so no coolant spills to deal with.
I got the hoses from Amazon, a little cheaper than RA ($23 for all three, free shipping), they are listed there under the same numbers you tracked down.
Here are the new hoses, you can't see the lower one but it's down there.
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BJH324JH, my hoses had similar markings to what you described, so probably were the original ones on both trucks. A triangular logo, and the words WATER HOSE 860924, but in mine they were not printed in blue, they were stamped. Also, a little red circle marking.
Both of the two top hoses had the same number on them. The bypass hose didn't have any markings at all, and it had a diffrent type of clamp that the top two, all the clamps all look oem and are found in other parts on the engine, so maybe it was different for a reason?
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Thanks for the idea to do this, and the guidance.
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