Cummins isx fuel gear pump

Cummins isx fuel gear pump DEFAULT

Gear Pump Repair Kit | Cummins ISX / QSX | 4089431RK

Description

1 x Gear Pump Repair Kit

Note: HPI fuel system

Fits application: Cummins ISX Engines

Model: Cummins ISX / QSX Engine

Details:

Product Description:

1x  Gear Pump Repair Kit

1x  Front Drive Shaft Seal Kit

1x  Fuel Transfer Pump Gasket

1x  Fuel Pump Gasket

1x  Fuel Pump Gasket

1x  Pump O-Ring Seal

1x  Hex Drive Fuel Pump Shaft

1x  Drive Shaft W/O Gear

1x  O-Ring Seal

1x  O-Ring Seal

1x  O-Ring Seal

1x  Diamond Ring Seals

1x  Diamond Ring Seals

OE Replacements: 121438, 4025255, 4025078, 4010223, 4009811, 4001840, 3348307

Cross References:

CUMMINS4025255
CUMMINS4025078
CUMMINS4010223
CUMMINS4009811
CUMMINS4001840
CUMMINS3348307

Additional information

Weight0.4 lbs
Dimensions5 × 1.25 × 3.5 in
Sours: https://www.heavydutykits.com/product/gear-pump-repair-kit-isx-qsx-4089431rk/
  1. Good day to everyone
    Hope I posted on the right forum.

    Hopefully somebody would be able to relate to this problem and offer me some guidance before making a mistake. Ill try to explain and provide as much info as I can. Please feel free to ask questions.

    I have 2012 Kenworth with a Cummins ISX 15 450. (Engine No 79554126). I’ve been having issue with power delivery. Truck seems to be doing fine when suddenly you feel the loss of power, if you take the foot out of the gas pedal kinds of breath and gets back to normal. However, even when it is idling the issue shows up. (I am not sure if this started before or after I noticed the issue)

    Apparently, the issue is high pressure fuel / on the lines. When idling, the fuel pressure gauge goes all the way up and you feel the engine running rough. I replaced the fuel pump about 2 years ago, bought directly at Cummins. Fuel pump 2872399.

    Summary, when idling (not touching it at all) fuel pressure claim all the way up, truck runs bad, fuel pressure goes down, truck runs fine again.

    What the mechanic have tried:
    1) We changed the regulator on the back of the pump.
    2) Fuel lines seem to be fine, return fine.
    3) Bypass fuel filter and connected directly to fuel tank.
    4) We tried another fuel pump (we don’t know if it was a good pump, but same symptoms if not worse)
    5) Disassembly head of fuel pump and rollers seem to be just fine among other things.

    What should I try? send pump to test it? start replacing...?
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  3. I would start from watching why pressure is going up. Was it commanded by ECM or no. Many different sensors in consider for rail fuel pressure. Fuel temperature, fuel pressure sensor, ambient temperature, ambient pressure...............
    Also check all power supply and grounding connection.
  4. I once experienced a fuel pump failure and turned my dollar tractor into a 12 mph on the shoulder cripple barely able to do anything. Three weeks of shop work finally revealed a completely and totally disassembled pump on a large table. The problem? One of the O rings had a small hole in it when the material that it was made from failed under pressure.

    Just like trying to drink soda in a straw with a hole in it. A exercise in futility.

    That was the extent of my experience with this problem in my lifetime. It was never repeated again.
    Snailexpress Thanks this.
  5. Hopefully that does it for you. If not, you need to run a fuel rail decay test procedure with Insite to narrow down whether it is an injector(s), fuel pump head, or pressure relief valve leaking. It also requires block off caps for the rail, but it will show the issue.
  6. Good day to everyone
    Hope I posted on the right forum.

    Hopefully somebody would be able to relate to this problem and offer me some guidance before making a mistake. Ill try to explain and provide as much info as I can. Please feel free to ask questions.

    I have 2012 Kenworth with a Cummins ISX 15 450. (Engine No 79554126). I’ve been having issue with power delivery. Truck seems to be doing fine when suddenly you feel the loss of power, if you take the foot out of the gas pedal kinds of breath and gets back to normal. However, even when it is idling the issue shows up. (I am not sure if this started before or after I noticed the issue)

    Apparently, the issue is high pressure fuel / on the lines. When idling, the fuel pressure gauge goes all the way up and you feel the engine running rough. I replaced the fuel pump about 2 years ago, bought directly at Cummins. Fuel pump 2872399.

    Summary, when idling (not touching it at all) fuel pressure claim all the way up, truck runs bad, fuel pressure goes down, truck runs fine again.

    What the mechanic have tried:
    1) We changed the regulator on the back of the pump.
    2) Fuel lines seem to be fine, return fine.
    3) Bypass fuel filter and connected directly to fuel tank.
    4) We tried another fuel pump (we don’t know if it was a good pump, but same symptoms if not worse)
    5) Disassembly head of fuel pump and rollers seem to be just fine among other things.

    What should I try? send pump to test it? start replacing...?
    Don't forget to try the cheap stuff first. Did you check the fuel tank vents to make sure they are not plugged?
  7. Sorry guys for not responding. Ive been OTR.

    We finally solved it. Apparently there were debrits, more like rubber waste on the fuel line after the main filter and the pump.

    Perhaps a fuel paper filter base came lose and caught in the line.

    Truck has been runnig well past few days. Thanks for help and ideas.
    You might want to look at changing the fuel line then, it could be breaking down. This can also happen right after changing a fuel line if you are not careful when you do it. Don
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    See Part Available Special Offers with a TRP® Performance Membership

    Resources

    Manufacturer Website

    Manufacturer Part Number: 4089163RX

    Special Offers

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    • Use your membership to redeem three offers on three separate days during the quarterly promotion period, and you'll be rewarded with an exclusive savings offer.

    • Each quarter, the Reward period resets and there'll be a new Reward to earn.

    • Your Reward is redeemable for 90 days. There is a limit of one Reward per registered customer, per quarterly promotion period.

    National Warranty

    When you purchase replacement parts at any authorized TRP Parts dealership in North America, you will find most TRP parts are covered by a minimum of a one-year/unlimited mileage warranty.

    The selection and availability of parts shown on TRPParts.com may vary by location. Please contact your local retailer to check availability.

    Sours: https://trpparts.com/parts/part/?parentName=gear&partNumber=4089163RXCUM
    Cummins ISX Fuel Pump Assembly
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    2. If you are removing the gear pump on the top of IFSM their are 4 torx cap screw in the center of the pump and 1 15/16" line. If you removing the priming pump on the bottom of the IFSM their is 1 electrical connector and 4 6MM hex bit cap screws.
      It's the priming pump I need to replace(leaking gasket possibly). Thanks for the info. :D
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    Pump gear isx cummins fuel

    4089431RK | Fuel Pump Repair Kit | Cummins ISX

    4089431RK Fuel Pump Repair Kit

    -

    Kit Contents

    • (1) Gear Pump Repair Kit
      • (1) Front Drive Shaft Seal Kit
      • (1) Fuel Transfer Pump Gasket
      • (1) Fuel Pump Gasket
      • (1) Fuel Pump Gasket
      • (1) Pump O-Ring Seal
      • (1) Hex Drive Fuel Pump Shaft
      • (1) Drive Shaft W/O Gear
      • (1) O-Ring Seal
      • (1) O-Ring Seal
      • (1) O-Ring Seal
      • (2) Diamond Ring Seals
      • (2) Diamond Ring Seals

    SKU: M-4089413RKCategories: Cummins ISX Series, Fuel Injectors

    Description

    4089431RK | Fuel Pump Repair Kit | Cummins ISX

    A Fuel pump repair kit for Cummins ISX Engines

    Includes:

    • (1) Gear Pump Repair Kit
      • (1) Front Drive Shaft Seal Kit
      • (1) Fuel Transfer Pump Gasket
      • (1) Fuel Pump Gasket
      • (1) Fuel Pump Gasket
      • (1) Pump O-Ring Seal
      • (1) Hex Drive Fuel Pump Shaft
      • (1) Drive Shaft W/O Gear
      • (1) O-Ring Seal
      • (1) O-Ring Seal
      • (1) O-Ring Seal
      • (2) Diamond Ring Seals
      • (2) Diamond Ring Seals

    Additional information

    Weight2 lbs
    Dimensions2 × 4 × 5 in

    OEM Interchange

    Furnished Upon Request

    Technical Data

    Furnished Upon Request

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    Sours: https://www.dieselrebuildkits.com/shop/shop-by-engine/cummins/cummins-isx-series/4089431rk-fuel-pump-repair-kit-cummins-isx/
    Cummins ISX CM870 CM871 Fuel Part1

    M-4089431RK | Cummins ISX/QSX Gear Pump Repair Kit (HPI Fuel System), New

    HHP - M-4089431RK | Cummins ISX/QSX Gear Pump Repair Kit (HPI Fuel System), New

    Click on image to zoom

    (0) Reviews: Write first review

    New

    P205290

    USD172.02172.021172.02

    When it comes to Gear Pump Repair Kits, we've got you covered!

    Don't let a small part turn into a difficult repair. We have all the right parts to get you back up and running.

    HHP only sells gear pump repair kits that are manufactured in a state of the art facilityusing top of the line machining and measuring equipment to ensure each part is manufactured to OEM specifications. Combine this with up to 50% off OEM prices, an industry leading 2-year warranty and technical expertise from HHP’s certified staff,and you've got a quality gear pump repair kit that will keep you running for another million miles.

    Need a little extra proof? Let's talk shop.

    • Each brand new gear pump repair kit contains high temperature molded seals for sealing pump sections and external mounting gaskets, having excellent durability.

    • Also, each kit has excellent quality because they are manufactured and assembled in an ISO 9001: 2008 certified facility.

    • Don't pay OEM price when you can get the same part with equal or better quality which will deliver the same result, with the only difference being a fraction of the cost.

    • Maximize your engine with a brand new gear pump repair kit made economically for full pump assembly.

    Contents

    • (1) Gear Pump Repair Kit
      • (1) Front Drive Shaft Seal Kit
      • (1) Fuel Transfer Pump Gasket
      • (1) Fuel Pump Gasket
      • (1) Fuel Pump Gasket
      • (1) Pump O-Ring Seal
      • (1) Hex Drive Fuel Pump Shaft
      • (1) Drive Shaft W/O Gear
      • (1) O-Ring Seal
      • (1) O-Ring Seal
      • (1) O-Ring Seal
      • (2) Diamond Ring Seals
      • (2) Diamond Ring Seals

    Warranty

    2-Year Warranty
    OEM Applications:
    • (1) Gear Pump Repair Kit
      • (1) Front Drive Shaft Seal Kit, 3083825, 3071643, 3803477
      • (1) Fuel Transfer Pump Gasket, 4954472, 4062005, 2872195
      • (1) Fuel Pump Gasket, 4954473,4076586
      • (1) Fuel Pump Gasket, 4076848,4954474
      • (1) Pump O-Ring Seal, 4087912,3867481
      • (1) Hex Drive Fuel Pump Shaft
      • (1) Drive Shaft W/O Gear
      • (1) O-Ring Seal, 3678912
      • (1) O-Ring Seal, 3627695
      • (1) O-Ring Seal, 3678786
      • (2) Diamond Ring Seals
      • (2) Diamond Ring Seals

    ISX:
    Year: 1997-2010
    Liter: 15.0
    CID: 912
    Cylinder: L 6
    Bore/Stroke: 5.3937-5.4000", 6.653"
    Compression Ratio: 18.0 :1
    Firing Order: 1-5-3-6-2-4
    Comments: 24 VALVE, ISX, QSX, DOHC, SIGNATURE 600 SERIES

    Tune-Up Specifications:
    Idle Speed (rpm): 700-800
    Oil Pressure at Idle: 20 PSI @ IDLE 200º F
    Intake Valve Lash: .014" COLD
    Exhaust Valve Lash: .027" COLD

    ISX:
    Year: 2010-2015
    Liter: 11.9
    CID: 726
    Cylinder: L 6
    Bore/Stroke: 5.1181-5.1196", 5.9055"
    Compression Ratio: -
    Firing Order: 1-5-3-6-2-4

    Tune-Up Specs:
    Oil Pressure At Idle: 13.0 PSI MIN
    Intake Valve Lash: .014"
    Exhaust Valve Lash:.032" Cold

    • Item Requires Shipping
    • 1.0 lbs.
    • W1.2500” x H3.5000” x L5.0000”

    Comment Total Reviews (0)



    Sours: https://highwayandheavyparts.com/i-23903173-m-4089431rk-cummins-isx-qsx-gear-pump-repair-kit-hpi-fuel-system-new.html

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    Engine

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    Belt Type

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    Belt Type

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    Pulley Diameter

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    Hub Diameter

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    Belt Type

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    Hub Diameter

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    Belt Type

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    Belt Type

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    Hub Diameter

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    Part No.

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    Belt Type

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    Belt Type

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    Pulley Diameter

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    Hub Diameter

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    Type

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    Belt Type

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    Pulley Diameter

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    Hub Diameter

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    Type

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