H8PVMT Posted April 22, 2012 Share Posted April 22, 2012 Pulled my sending unit since it wouldn't come on and the hard lines are about shot but found this when comparing it to the new one It fits perfectly in the new (used) unit I got and everything lines up Triple checked numbers and they are the right parts Any ideas? 89 6cyl long bed Link to comment Share on other sites More sharing options...
ComancheKid45 Posted April 22, 2012 Share Posted April 22, 2012 Looks like a 4cyl pump. Theyll both fit into the sending unit the same ;) Link to comment Share on other sites More sharing options...
Optimaldave Posted April 23, 2012 Share Posted April 23, 2012 I know when I did mine a few days ago there were two pumps depending on TBI or MPI setups. Walbro and Bosch are listed for the 4.0 (mine is 88) but the Bosch is the correct one for MPI which I believe most of ours are. Though the two were very different as the Walbro uses a different mount and filter system. The new (correct) bosch was smaller than the original too and looked much like yours, though a little bit different. I took a pic of the Walbro next to the OEM before returning it (wrong on the left, original on the right) Link to comment Share on other sites More sharing options...
H8PVMT Posted April 23, 2012 Author Share Posted April 23, 2012 Mine is a Bosch universal fit, Part number for 6 cyl matches up Link to comment Share on other sites More sharing options...
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