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Engine/Transmission (1994 - 1998) Failed lift pump

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Engine/Transmission (1998.5 - 2002) Hauling versus towing

2nd Gen Non-Engine/Transmission ABS question

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My '98 laid down Friday at 135k. I felt it loose power on the way to work, then die at a light. By the time I got to the store it was idling ok. I had to stop & pick up some parts for work, so I drained a little fuel from the filter & it looked good. I left the store & made it about a block & it lost power & died. I could vent the filter, pump up the primer & get it to restart, but die eventually.

I checked the filter (had about 6k on it) & it looked good. When I pulled the lift pump the rod was in, like the spring had failed. A new lift pump from Napa & all is well. I changed the lift pump through the wheelwell by removing the tire & the inner fender. Doing it this way you do not have to remove the starter & you can actually see the fuel fittings. I trimmed the inner fender like the 4WD's are before I put it back so I'd have access if it ever happens again, especially on the side of the road. Plan on replacing the 1/2" rubber fuel line from the heater to the lift pump. I used about 9" & made a loop to replace the formed elbow. By the way, you guys with '98 12V's will have to ask for 1997 or Napa will try to sell you a 24V pump.....
 
heres some part Numbers and prices ,, not Napa Tho,,,



12V Cummins



Transfer (lift) pump: Cummins 3936316 (new number)

gaskets (2 req'd): Cummins 3931059 (new number)



@ Cummins $165



DM
 
Bought my lift pump from the local C-IH dealer. Less than $100, including the two gaskets. :D Just need to swap one of the fittings on the pump first.



bramage said:
Here ya go.



Case P/Ns-



Lift Pump: J936317

Gasket: J939258 (two required)



This is the exact same Carter pump in a Case box. You will need to swap one of the fittings from your old pump to the new pump this will be self explanatory when you hold the pumps side by side. I have gotten several PM's requesting these numbers so I might as well share with all.
 
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The first time i called they said they didn't list one, luckily I called back & got a wiser parts person. I also had to ask for a 1997, because they only listed the electric 24V . for the '98

Napa M73104

$152. 99
 
I just checked Orielly's site & had to go back to a 1996 to see one listed. It has the same part # and list about $1 cheaper.
 
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