From what I can tell it depends on what options the truck has. There's w/ power steering, then there's "premium" power steering. I'm showing a 1181995 for 'Harness, Potentiometer, Assembly' for power steering, and 2300445000 'Harness Assembly, Potentiometer' for Premium Power Steering. I would call in to your parts distributor with model/serial, as there's a service bulletin about replacing the carbon style pot with a solid state pot as well.
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