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Injection Pump - DB2 4911 Replacement 92-93 6.5L
Injection Pump - DB2 4911 Replacement 92-93 6.5L

Injection Pump - DB2 4911 Replacement 92-93 6.5L

Your Price: $1,328.40
In Stock.
  • Condition:New
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Calibration and Testing
Complete new genuine Stanadyne DB2 Injection Pump that directly replaces the DB2-4911 mechanical injection pump primarily seen on 200HP 1992 and 1993 C/K 2500 and 3500 series 6.5L Turbo Diesel applications.

This pump features some updates not seen on original pumps. This updated pump assembly comes with new hardened steel advance piston bore and matching piston to greatly improve the life of the automatic timing advance system used on these pumps (that is all gone usually on 100k up mile pumps). The pump also features an updated top cover assembly that reduces the chance of air-leaks from the top cover or water and moisture leaking inward. This pump also features the updated head/rotor assembly to fix the issues that plagued the 4911 units leading to a hot-no-start issue or hot-hard-start problem with no glow plugs when warm.

Here is your chance to update your pump to this newest generation unit, a bargain when reman 4911 units (where they have to replace the head) are approximately 900 rebuilds.

Options for Checkout:

Standard OE Calibration is 12-month warranty through authorized Stanadyne Shop.

Standard OE Tested and verified doesn't affect Stanadyne warranty.

Fueling Increase options carry a 6-month warranty through Unique Diesel.


Why the testing? These things are built by humans, and as such stuff happens. We want to be sure when a unit goes out the door that it's matching all the calibration specs and there is nothing unexpected. We have seen some issues with new pumps, while not common are good to catch and fix and or replace. It's your choice!

Fueling Increase options are bumps in the stock fuel curve, where we take the maximum stock fueling set-point and increase that value by the amount selected on the checkout. This is simply a calibration, as pump is not taken apart and modified.

*** Please note, as this typically goes without saying but end-user modification (opening the pump, changing fueling etc.) voids all warranty on the unit.

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