Introducing the Big Bear / Unimog injection pump, is a huge upgrade for your engine. Designed for those who demand more power, this injection pump is built with larger plunger elements and calibrated to deliver more fuel throughout the RPM range, resulting in increased torque and horsepower. Whether you're looking for more pulling power or a faster acceleration, this injection pump will not disappoint. Upgrade your engine today and experience the power you've been missing with the Big Bear / Unimog injection pump from Brown Bear Components
 
Pump includes the following new parts:
Gaskets and seals/ springs/ delivery valves/ bearings/ rollers/ pins/ capsule/ RSV Gov kit/ Gov lever/ Gov bushing / diaphram/ sealing plate/ larger plunger elements

All our rebuilt pumps come with new lift pump!
Injection pump is painted silver.
 
This injection pump must be used with aftermarket turbo or turbos, 3.5 inch exhaust (or bigger), performance injectors, EGT & Boost gauges.
 
Recommended to have professionally installed and adjusted to your truck.
 
Suitable for OM352A & OM366LA  up to 330 HP
 
*** Note: We require your old pump to be sent to us prior to sending you out the newly modified pump. Requires pump sheet to be filled out, which is on the forms page.***