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USD 1795.95
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Part #: XD191

XDP "H.O. Xtreme" VP44 Injection Pump XD191

1998.5-2002 Dodge 5.9L Cummins Auto & Manual (80HP-100HP)
Part #: XD191
★★★★★ ★★★★★ 3 Reviews
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The XDP "H.O. Xtreme" VP44 Injection Pump XD191 gives you the fuel you need to take your 1998.5-2002 Dodge 5.9L Cummins to the next level. While many VP44's on the market are rebuilt with inferior quality components, this pump has been remanufactured to the most stringent specifications using only the highest quality genuine Bosch parts. This high performance pump is specially designed to give your truck an extra 80-100 horsepower with supporting modifications!

To keep things easy during your installation, the XDP H.O. Xtreme Pump comes with a pre-installed performance pump cover to provide you with a solid, secure connection for your electronic upgrades, eliminating the need to tap any pump wires. Each pump comes pre-tested and ready for installation. It is highly recommended that additional upgrades such as performance injectors, and upgraded turbochargers are also installed or already in use. An aftermarket performance lift pump is required.

  • 1-Year Warranty 
  • 80HP-100HP Increase 
  • Built With Only Genuine Bosch Parts

Warranty Info:
XDP's VP44 Injection Pumps are remanufactured using 100% genuine Bosch parts. All remanufactured XDP VP44 Injection Pumps are warrantied to be free from defects in materials and workmanship for a period of twelve (12) months from the date of purchase. The fuel output modifications made to this pump will cause it to operate above “stock” design parameters, this can increase the risk of failures. Failures of this pump due to operating beyond these limits (seized head, rotor or other failures of this nature) are ineligible for warranty. Performance modules may increase these risks. To reduce the likelihood of failures it is recommended to upgrade injectors, injector lines and or turbocharger. 

Vehicle Applications

1998.5 Dodge 5.9L 24V Cummins
1999 Dodge 5.9L 24V Cummins
2000 Dodge 5.9L 24V Cummins
2001 Dodge 5.9L 24V Cummins
2002 Dodge 5.9L 24V Cummins


  • MFG. Number XD191
  • Manufacturer Name XDP
  • Shipping Weight 20.00 lb.
  • Shipping Length 11 in.
  • Shipping Width 15 in.
  • Shipping Height 9 in.
  • Fuel Type Diesel
  • Warranty Yes
  • Warranty Info 1 Year / Unlimited Mileage
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0.00R0.00


★★★★★ ★★★★★
4.7/5 Stars out of 3 Reviews
Verified Buyer
High output vp44
Got the injection pump installed and the truck runs better than it ever has. Very happy with the quality of the pump and would definitely recommend. Order number #1857541
Verified Buyer
H.O. Extreme XD191 VP44 injection pump
Easy to install, pump works great with stock injectors and lift pump. Had dead pedal with old pump and now my 1998.5 Dodge Ram 2500 24 valve runs better than when it was new! I would recommend this pump as the replacement pump for your ram. Order #1808718
Verified Buyer
Overall very happy with the HO extreme
Purchased the xd191 for my 2nd gen daily driver Very happy so far. Idle sounds the same. Throttle response improved (have not tapped pump and it feels the same as my edge on level 3 or 4 with stock pump) light throttle it doesn’t smoke. Medium throttle light haze that clears up. Only reason I gave 4 stars is because this pump does not like cruising rpm while in od. On the highway it kinda stumbles while cruising between 1600-1800rpm. A litttle more throttle clears it up. Hopefully when I add the compound it will clear this over as I believe it’s just over fueling at this rpm and I don’t have enough air. I can say I am happy with my purchase. 👍 Order#1647624

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Questions and Answers

Will this work with 125hp injectors and FASS 95gph lift pump good?
View Staff Answer 

YES! The XDP "H.O. XTREME" VP44 INJECTION PUMP XD191 would be a great high performance VP44 for your setup.

Is this pump only for the High Output 245hp Cummins? High Output
View Staff Answer 

No, the XDP "H.O. XTREME" VP44 INJECTION PUMP XD191 will work with both the SO and HO trucks.

Can i still "tap" this pump w/ my TST programmer w/o cutting the wires open via the performance pump cover? Performance Pump Cover
View Staff Answer 

The XDP "H.O. XTREME" VP44 INJECTION PUMP XD191 comes with a pre-installed performance pump cover to provide you with a solid, secure connection for your electronic upgrades, eliminating the need to tap any pump wires.

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Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.