New to me 2016 Prostar- What now?
05-16-2019, (Subject: New to me 2016 Prostar- What now? ) 
Post: #19
RE: New to me 2016 Prostar- What now?
Besides the grenade everyone is harping about. You'll also want to retorque all your wheel bearings. Maybe have someone like Rawze go over every inch of the truck and tell you what problems there are and what problems there could be. It'll be painful and sound overkill. But a good eye and and someone willing to explain why something can be a problem or is going to become a problem is a good thing. It's better to know the demons you have than to allow them to sneak up on you. Go over the airlines and wiring and repad all the iffy spots.
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 Thanks given by: Rawze , InmotionProstar
05-16-2019, (Subject: New to me 2016 Prostar- What now? ) 
Post: #20
RE: New to me 2016 Prostar- What now?
Maybe open up the valve cover and do overhead, inspect cam and rollers. Check dpf/regen history to see how the level of soot it has. Check injector behind turbo to see how clogged it is, check def injector and the can where it sprays the def for any crystallized particles. Check for any oil leaks, on the side of motor, tranny, wheels seals. Check any air leaks, check brakes. List goes on and on.
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 Thanks given by: Rawze , InmotionProstar
05-16-2019, (Subject: New to me 2016 Prostar- What now? ) 
Post: #21
RE: New to me 2016 Prostar- What now?
(05-16-2019 )SquareOne Wrote:  Just for a reference....does anyone have the part numbers for the rebuilding the fuel pump on the cm2350? Does Cummins offer a kit (for those who have done it).

I had bookmarked this thread that has a picture and this info : (not sure if is up to date. Posted by simon999 in 2017)

For CM2250 Fuel Pump Barrel and Plunger Repair Kit, Part Number 4327258;
Retainer, Spring 2872626
Seal, O-Ring 3867651
Barrel and Plunger 4307402
Spring, Compression 4928605
Washer, Sealing 4954944

For CM2350 Fuel Pump Barrel and Plunger Repair Kit , Part Number
5406130;
Retainer, Spring 2872626
Seal, O-Ring 3330538
Barrel and Plunger 2897343
Spring, Compression 4928605
Washer, Sealing 4954944

Edit : he also posted 2 links to videos on how to do it.


User's Signature: I Need to start asking my stupid questions
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 Thanks given by: SquareOne , Rawze , InmotionProstar
05-16-2019, (Subject: New to me 2016 Prostar- What now? ) 
Post: #22
RE: New to me 2016 Prostar- What now?
Doesn't the sealing washer and o ring come already with the plunger?
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05-16-2019, (Subject: New to me 2016 Prostar- What now? ) 
Post: #23
RE: New to me 2016 Prostar- What now?
Here is an interesting video that Nick here from the site did, may help a bit. I believe he had part numbers and such. 14 min long.

Cummins ISX 2250 Fuel Pump Updated With Help From Rawze

https://www.youtube.com/watch?v=HIeHw4dFrdY
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 Thanks given by: InmotionProstar
05-16-2019, (Subject: New to me 2016 Prostar- What now? ) 
Post: #24
RE: New to me 2016 Prostar- What now?
(05-16-2019 )jimeneztrans84 Wrote:  Doesn't the sealing washer and o ring come already with the plunger?
Sorry, I am a slow typer1-4988280 Gasket Hyd Pump, 2-3963988 Washer, 2-3963991 Washer, 1-3033247 Seal, 1-3678606 Seal and a few bits and pieces paint etc.
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 Thanks given by: InmotionProstar
Yesterday, (Subject: New to me 2016 Prostar- What now? ) 
Post: #25
RE: New to me 2016 Prostar- What now?
(05-16-2019 )rrod Wrote:  
(05-16-2019 )SquareOne Wrote:  Just for a reference....does anyone have the part numbers for the rebuilding the fuel pump on the cm2350? Does Cummins offer a kit (for those who have done it).

I had bookmarked this thread that has a picture and this info : (not sure if is up to date. Posted by simon999 in 2017)

For CM2250 Fuel Pump Barrel and Plunger Repair Kit, Part Number 4327258;
Retainer, Spring 2872626
Seal, O-Ring 3867651
Barrel and Plunger 4307402
Spring, Compression 4928605
Washer, Sealing 4954944

For CM2350 Fuel Pump Barrel and Plunger Repair Kit , Part Number
5406130;
Retainer, Spring 2872626
Seal, O-Ring 3330538
Barrel and Plunger 2897343
Spring, Compression 4928605
Washer, Sealing 4954944

Edit : he also posted 2 links to videos on how to do it.

Thanks,

That is very helpful.
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