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Recent content by rcoffman

  1. R

    Cat 931/3204 Fuel Delivery Pump Model

    Those were honestly some of my thoughts when I first found the mangled copper washer on the piston cover. I found a parts diagram pretty easily, but only the picture with no numbers listed. Super frustrating that I found the visual half, but not the all important part number sheet to go with it.
  2. R

    Cat 931/3204 Fuel Delivery Pump Model

    DGK301-H. I needed a new priming pump so I opted for that one.
  3. R

    Cat 931/3204 Fuel Delivery Pump Model

    So I bought a used "for parts" pump and rubbed what I needed from it. The real fun part was getting the pump off in the first place and then back on. Naturally the boom was down so I had to work in-between the boom arm and cylinders. I wouldn't recommend it if it could be avoided. After that, it...
  4. R

    Cat 931/3204 Fuel Delivery Pump Model

    @Tyler d4c do you have a picture or a part number of that pump for a 4430? I'm not having much luck finding a picture of that doing the old jazz hands routine on Google.
  5. R

    Cat 931/3204 Fuel Delivery Pump Model

    So I already rebuilt it with a Bosch kit. It was when I was reinstalling the parts that the centering/fuel line connector sheared in half at the threads. I don't have a picture of the broken fitting, but I don't know if I'll be able to get the broken piece out of the pump casting.
  6. R

    Cat 931/3204 Fuel Delivery Pump Model

    Afternoon all, I have a DI3204 in my 931, and the fuel delivery pump needs to be replaced. It's the original Diesel-Kiki unit (now Zexel), and Bosch discontinued these pumps in the early 2020s. The part number on my unit is 105220-4050, which, from what I found, is interchangeable/superseded by...
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