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Caterpillar 3116 / 3126 DieselSite Adrenaline HPOP

Caterpillar 3116 / 3126 DieselSite Adrenaline HPOP

From DieselSite DieselSite



*If unsure, please read the description below.


Pump Style B OEM Part Numbers: 135-5459 & 134-0467.

"I cannot see it, how do I know for certain?"

  • Pump style A was used in the last year of the 3126.
  • Pump style B was used in the last years of the Heui 3116 and the first years of 3126.
  • Pump style C was used in most years of the 3126.

If you have the below style pump mounted on the back of your HPOP, you must call to order. 
This type of pump is typically on equipment and off-road machines.
 We can build this for you, but we must have your core here first. 

This pump is our newest member of the Adrenaline High Volume High-Pressure Oil Series.  This is a HEAVY DUTY HIGH VOLUME rebuild of the Caterpillar pumps for the 3126E and 3126B and 3116 HEUI engines.No tuning required.


  • No engine modifications needed- direct bolt in
  • Fuel pump mounted to HPOP not included
  • Mounting gasket o-ring included
  • No external fuel or oil line connection fittings are included- make sure you retain these from your pump core.
  • 24-month limited warranty - covers anything except abuse or obvious physical damage
  • Increased mileage and pulling power possible

There are several combinations of fuel pumps mounted to the rear of the 3126 HPOP. These all bolt on with two bolts. We include the new o-ring to seal the two together. - FUEL PUMP NOT INCLUDED.

O-ring to seal HPOP to original fuel pump included. - FUEL PUMP NOT INCLUDED.

Cores MUST be returned within 30 days from the purchase date. Any additional cores with be worth up to $100 given that they are fully functional.

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