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Bosch VP44 Stock Replacement Dodge Injection Pump

FAQ's
VP44 - Remanufactured by certified Bosch Technicians
Fits: 1998.5, 1999, 2000, 2001, 2002 Dodge Cummins & NON-DODGE Pickups 5.9L VP44 (Heavy duty Midrange applications: freightliner / AG)
  • We offer VP44 injection pumps that come with a 12 month unlimited mileage warranty or upgrade to the VP Plus and get a 18 month warranty
  • Experienced diesel company that has installed many VP44 pumps. Call us toll free at 866-737-4966 with any questions or concerns.
vp44 injection pump sale
Select Truck & VP44 Pump Below Price Order
Remanufactured Stock VP44

Core Charge: We do not charge for the core at the time of the purchase. By placing this order you are agreeing to let Thoroughbred Diesel charge your credit card $500 in 14 days if you have not returned your core. No hassle rebates to deal with!
Our Pumps come with a One Year, Unlimited Mile Warranty.
$975.00
free shipping
Other VP44 Pump Options
vp plus vp44
more info
$1,215.00 VP Plus
VP44 combo packages
more information
VP44 Combo Deals
VP44 performance pump
more information
Hot Rod VP44's
VP44 install video, instructions
more information
Need Help? Call Us

Definition of core:The core is the old unit, which was replaced by the new or rebuilt item. Some new items, for example the Alliant product line, require the return of the old core. Cores must be like for like and include return valve.

WARNING: If you return a different core there will be a $250 up charge. If your unsure which pump you need check to application chart to cross reference you pumps part #. If you don't see your part number please call 866-737-4966.

NOTE: 98.5-99 6 speed manual NON HO trucks need to call in at 866-737-4966 with your engine serial # to verify correct pump.
We call this pump a 15x which Fits:
1998.5-2002 Dodge Ram Cummins Auto/5 speed Transmission
We call this pump a 17x which Fits:
2000-2002 Dodge Ram Cummins 6 speed Transmission
470506027
470506022
470506015
470506011
470506005
470506028
470506021
470506014
VP44 Pump Information
Diagnostic Trouble Codes (DTC) that mean your VP44 needs replaced:
P0216 (often referred to as the code of death and most common code for VP44 pump failure)
P1688
P1689
P0215
P0251 - P0260
VP44 install video, instructions 
Thoroughbred Diesel offers replacement Bosch Vp44 Fuel Injection Pumps that have been rebuilt by certified Bosch tech and have been tested on a test stand for 4hrs before the pump is sent to you. Bosch VP 44 diesel pumps are also upgraded with all the latest upgrades required by Bosch. Our VP44 injection pumps come with a 1yr unlimited mileage warranty.

Thoroughbred Diesel also offers several replacement lift pumps, that are better quality than what comes from the factory. If you are placing performance parts on your truck it is highly recommended that you use a performance lift pump such as the Airdog or Fass Fuel Systems. A Airdog or Fass Fuel System will supply the Injection pump with the fuel pressure that is need no matter what performance upgrades you have on your truck. We also offer several different gauge options from Autometer and Isspro to monitor your fuel pressure so you know when your lift pump is going out and can fix the problem before you lose your Injection Pump. The cheapest way to monitor your fuel pressure would be BD’s early warning light. Preventing problems before they occur is the best way to take care of your truck.

The fuel injection pump (VP44) is an electronic rotary distributor pump. The pump performs four basic functions:

  1. Producing the high fuel pressure required for injection
  2. Metering the exact amount of fuel for each injection cycle
  3. Distributing the high-pressure, metered fuel to each cylinder at the precise time
  4. Varying the timing relative to engine speed.
A cam ring with three plungers, a rotor, and an electronically controlled fueling solenoid valve is used to develop and distribute the high pressure required for injection. A worn or damaged internal transfer pump, plunger, or fueling valve can affect the pressure and amount of fuel injected, thus reducing the power from the engine. Generally, if the fuel injection pump is injecting fuel from one outlet, it will deliver from all outlets. VP44 Timing Principles Timing in the VP44 is controlled by an internal timing piston coupled to a cam ring inside the pump. The timing piston is moved by fuel pressure. The amount of fuel pressure in the timing piston assembly housing is controlled by an internal transfer pump and a pulsating timing solenoid valve. As pump speed increases, the fuel pressure to the timing piston assembly also increases. Based on the inputs from the fuel pump control module (FPCM), the timing solenoid valve pulses to vary the pressure to move the timing piston, which results in the cam ring moving to the desired position to achieve the commanded timing. The more pressure created by the internal transfer pump and timing solenoid valve, the more the timing will advance; therefore, timing range capability is increased at higher rpm's.

*Performance chip & add on disclaimer - Tampering with the pumps wires can cause premature pump failure. If the wires are cut the pump is no longer warrantable, and any repairs that need to be made to the injection pump will be the buyers responsibility. In the VP44 pump the fuel is used to cool and lubricate the pump, and the tolerances between the head and the rotor is very fine. Performance chip add on's affect the cooling rate of the pump. The pump will become hotter due to excessive RPM's from the chips programming. When the throttle is backed off the fuel to the pump is reduced, and the pumps cooling capabilities are greatly reduced. Since the pump is hotter from the increased RPM's the rotor seizes in the head and the pump fails. An alternative to cutting into the pumps wires is to use a chip that plugs directly into the trucks ECM. This approach will allow for an increase in HP while not excessively heating the fuel pump.
Select Truck & VP44 Pump Below Price Order
Remanufactured Stock VP44

Core Charge: We do not charge for the core at the time of the purchase. By placing this order you are agreeing to let Thoroughbred Diesel charge your credit card $500 in 14 days if you have not returned your core. No hassle rebates to deal with!
Our Pumps come with a One Year, Unlimited Mile Warranty.
$975.00
free shipping
Other VP44 Pump Options
VP44 performance pump
more information
Hot Rod VP44's
vp plus vp44
more info
$1,215.00 VP Plus
VP44 combo packages
more information
VP44 Combo Deals
VP44 install video, instructions
more information
Need Help? Call Us
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Install Video >>
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Thoroughbred Diesel logo glowing Thoroughbred Diesel Performance and Repair Shop
4843 Rockwell rd.
Winchester, KY 40391
Call Toll Free: 1-866-737-4966

Email:
sales@thoroughbreddiesel.com
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