Posted by Clint Dixon [74.206.62.210] on Sunday, March 01, 2015 at 19:08:59 :
In Reply to: Re: WDX Fuel sending unit ?? posted by Keith In Washington [24.41.55.51] on Sunday, March 01, 2015 at 16:38:14 :
Interesting. My early 51 is serial number 83922623 - over 1700 trucks earlier than yours and only 343 below the 83922966 cutoff shown in the parts manuals. From the numbers, it looks like yours falls after the cutoff.
Your truck must have the gauge cluster in the middle of the dash? Mine has the old WDX dual gauge clusters on either side of the steering wheel. Have never seen a newer gauge cluster with the older thermostatic gauge, or an older gauge cluster with the newer electromagnetic gauge. I firmly believe the dash gauge, tank, sending unit, and dash layout all changed at the same time.
Looks like the pickup bed changed somewhat later.
Junior
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