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SKU #: BOSCH-0928400535 Bosch Fuel Control Actuator MPROP 01-04 LB7 Duramax

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    • 2001-2004 6.6L GM Duramax LB7

Description

One of the most common fuel related failures we have witnessed on the LB7 Duramax is that of the fuel control actuator, sometimes also referred to as an MPROP. Basically, the FCA is the metering devi ... read more

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One of the most common fuel related failures we have witnessed on the LB7 Duramax is that of the fuel control actuator, sometimes also referred to as an MPROP. Basically, the FCA is the metering device for the CP3 injection pump.

If the FCA is not working properly, the ECM cannot communicate to the pump how much fuel it should be delivering. In most cases, people first know there is an issue when they have a hard start or no start issue because the FCA will not allow the pump to properly build pressure to start. However, by the time this occurs, the truck has probably been delivering less than the truly desired amount of fueling for a while already as the FCA is a simple spring design that many times takes a rather slow death, and not an immediate failure.

If you're experiencing hard start or no start issues, one easy way to confirm whether or not the FCA is causing the issue is to simply unplug it, thus eliminating any metering. Presuming the truck starts, immediately turn it off as you will have full pressure running to the fuel rail, but at least you have fairly high certainty that the FCA was causing the issue.

Specifications

  • SkuBOSCH-0928400535
  • ManufacturerBosch
  • MPN928400535

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Rate Bosch Fuel Control Actuator MPROP 01-04 LB7 Duramax

Reviews may be edited for spelling or grammar inaccuracies and those containing profanity will be removed.

S
Verified Buyer
I would buy it again.
Direct replacement.
J
Verified Buyer
Grate price and fast delivery
Very good product and price to match . Wish the install was a easy as ordering the part. Having the wright tools are a must.
M
Verified Buyer
I will continue to use the guys for all my diesel stuff!
Excellent stuff!!!! And the best prices I've seen online!
C
Verified Buyer
Very happy with product.
Direct replacement part. Fits like it should. I also replaced both my thermostats as wrk as the intake gasket since you need to take them off to get to the pressure regulator.
Store Reply
Thanks so much for the review. While we may favor aftermarket, in some cases, such as this, direct replacement factory parts (Bosch) are the best option.
M
Verified Buyer
I would buy again
Correct Bosch part Good price 4 star rating is for Bosch not DPP Same as dealer part.
Store Reply
Thank you for the review.
B
Verified Buyer
I would purchase parts from here again.
I replaced the fpr on my 02 GMC because it would not start at all. It was the same oem part that I removed from my truck. Now I have my truck back up and running again. Hasn't ran this good in a long time. Thanks
Store Reply
Thanks so much for the review and good to hear the truck is up and running again!
N
Verified Buyer
I would buy this again.
Fit exactly as ordered.
Store Reply
Thank you for the review and glad everything went as expected.
A
Verified Buyer
Worked great
Direct fit works great
Store Reply
Thank you for the review. Glad the new FCA helped get the truck running right again.
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4 QUESTIONS
R

Is this the fuel pressure regulator as well??

They are commonly referred to as the same thing yes.

10/11/16
D

I was wondering if this part had any warranty?

1 Year Warranty through Bosch.

1/3/17
K

I was wondering if this part came with the electrical connector or where I could get one?

It does not, that would be a used part only to my knowledge.

9/22/17
A

Does this part come exactly like the picture shows??

Yes the LB7 has a straight plug out of the back. LLY and up are all 90 degree.

12/21/17

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Bosch Fuel Control Actuator MPROP 01-04 LB7 Duramax

Bosch Fuel Control Actuator MPROP 01-04 LB7 Duramax

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