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BadDog · 06-06-2018, **(Subject: 2350 fuel pump )**

I saw a video on it a few weeks ago on youtube. There is a difference between the 2350 and the 2250 engine. The tappets have been re-engineered 3 times now and the other part (can't remember name but they are under the springs) if the stem under the spring is metal then you don't have to replace. The Stealership is saying you can no longer purchase that part and you have to buy a $3850 fuel pump assembly. I found the parts online from cummins. The seals are either yellow or brown?? but you can't interchange the parts for the 2350 and 2250 as it allows the fuel to mix into the oil. Don't forget to order the gasket $35 when you replace the tappets which are like $80 each x 2..

(06-04-2018 )lonestar16 Wrote: quick question when rebuilding the fuel pump do u have to take the hole pimp off or can it be done with it still on the truck .called a local shop up n had to leave a message waiting on them to maybe call me back ..i got 292k on it now not trying to wait to much longer to get it fix or maybe try in do it my self ...