Urea Pump 098644D236 for John Deere
Applicable models:John Deere
Reference part number:0444042067，0444042037，098644D236，0444042067 RE553796, RE553976,RM100340 0444042182，044404228F，444042067，444042182 DZ111284,DZ119472，DZ121771
| Rated output : | 24V |
| Pulley : | |
| Size : | |
| Weight : | |
| Packaging : | Neutral kraft paper packaging |
| Spot/Pre sale : | Spot goods |
| Warranty : | 1 year |
| Product number : |
| Type : | urea pump |
| Specification : | 24V |
| Pulley : | |
| Brand : | NUOJIN |
| Number : | 0444042067，0444042037 |
| Quality : | Remanufacture |
| Delivery time : | 30 days |
Overview of the 098644D236 Urea Pump
A urea pump sits at the heart of the SCR system: pressure regulation, filtration and dosing in one unit. On the 098644D236 module the pump, the pressure sensor and the control electronics are matched, which is why whole-unit replacement is the practical repair.
Every unit is checked before packing. The critical dimensions are measured on each batch rather than sampled.
Specification Summary
- Integrated pump, pressure sensor and control electronics
- Sealed fluid path for diesel exhaust fluid
- Filter included in the suction path
- Direct replacement for the original module
Reference Numbers and Cross References
Catalogue references:
- 098644D236
- RE553796
- RE553976
- RM100340
- 0444042182
- 044404228F
- 444042182
- DZ111284
- DZ121771
Application Notes
The module is used on John Deere applications. Match the part number and the connector layout; dosing modules are not interchangeable between engine families.
Fitment follows the assembly, not the badge. Two vehicles of the same model year can use different units.
Failure Modes
Fluid quality decides life. Contaminated or diluted AdBlue crystallises in the pump and blocks the filter, and the pump then runs dry against a rising pressure error.
Electronics fail with heat and vibration. A module that loses communication or reads pressure incorrectly will stop dosing and trigger a derate.
Fault Symptoms
- NOx efficiency or dosing fault code stored
- Engine derate or torque limitation
- White crystal deposits around the dosing injector
- Rough running after cold start
- Diesel exhaust fluid consumption higher or lower than normal
Checking Before Replacement
Read the fault codes and the dosing pressure before condemning the pump. A blocked filter or a leaking line mimics a failed pump, so check both first.
Diagnose before replacing. Most repeat failures come from a fault that was left in place.
Installation Notes
Flush the lines, fit a new filter and clean the tank neck before fitting the module. Prime the system with the diagnostic routine, clear the codes and run a dosing test. Keep the fluid path clean: any grit that enters will end up in the pump.
Related Parts to Check at the Same Time
- Urea filter
- Dosing injector
- NOx sensor
- Urea tank and lines
Quality Control and Supply
Every batch is function-tested before packing. Hejian Nuojin Auto Parts Co., Ltd. supplies in neutral packaging with a one-year warranty.
Frequently Asked Questions
How do I confirm this is the right unit?
Read the number from the old part and compare the key interfaces: connectors, brackets, pulley or pipework.
Can it be fitted without special tools?
Standard hand tools cover most of the job. Refrigerant work needs recovery and charging equipment, and urea systems need a diagnostic routine to prime.
What else should be replaced at the same time?
Everything that touches the new unit: filter and lines for a urea pump, clutch and seals for a gearbox, drier and expansion valve for a compressor.
Why did the original fail?
Contamination, heat and wear account for most failures. Clean installation and correct consumables prevent a repeat.
