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Bosch
H104205322 104205-3151 Bosch Zexel Diesel Injection Pump for Kubota D782 D902 KX41-3
H104205322 104205-3151 Bosch Zexel Diesel Injection Pump for Kubota D782 D902 KX41-3
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Genuine new Bosch Zexel H104205322 diesel fuel injection pump (type formula NP-PFR3MD50/1NP23, OE reference 104205-3151) engineered for Kubota three-cylinder diesel engines of the D650, D782 and D902 family. This mechanical PFR3M in-line injection pump delivers precise fuel metering, stable delivery across the speed range, reliable starting and consistent combustion efficiency in compact excavators, agricultural machinery and industrial equipment.
Manufactured to Bosch Zexel OEM standards and supplied under Kubota OEM reference 1G006-51012, this pump is a direct replacement when the original part number matches. It is supplied brand new, with a 1-year warranty.
Suitable for selected Kubota mini excavators including the KX41-3, KX018-4, U17-3 and U15-3, and for other equipment powered by the same D-series three-cylinder engines.
Key Features
| Feature | Details |
|---|---|
| Product type | Mechanical diesel fuel injection pump |
| Brand | Genuine Bosch Zexel |
| Part number | H104205322 |
| Pump type | Zexel PFR3M in-line mechanical injection pump |
| Type formula | NP-PFR3MD50/1NP23 |
| Number of elements | 3 (three-cylinder engine) |
| Application | Kubota mini excavators, compact and industrial diesel engines |
| Installation type | Direct OEM replacement when part numbers match |
| Quality standard | Bosch Zexel OEM manufacturer quality |
| Warranty | 1-year warranty |
| Recommended installation | Professional installation recommended |
Product Details
| Product detail | Information |
|---|---|
| Main reference | H104205322 |
| OE reference | 104205-3151, 1042053151 |
| Kubota OEM reference | 1G006-51012, 1G00651012 |
| Type formula | NP-PFR3MD50/1NP23 |
| Product category | Diesel fuel injection pump |
| Manufacturer | Bosch Zexel |
| Condition | Brand-new genuine OEM component |
| Fuel type | Diesel |
| Vehicle type | Mini excavators, compact and industrial equipment |
| EAN | 4047026705928 |
| Included in package | 1 x fuel injection pump |
| Weight | 1.19 kg |
| Package dimensions | 20 x 15 x 15 cm |
| Installation area | Engine compartment |
Cross-Reference Numbers
Please compare your original part number before ordering.
| Brand / Manufacturer | Cross-reference numbers |
|---|---|
| Bosch Zexel | H104205322, NP-PFR3MD50/1NP23 |
| Kubota | 104205-3151, 1042053151, 104205-3150, 1042053150, 1G006-51012, 1G00651012 |
Vehicle Compatibility / Application Guide
Compatibility must always be verified by original part number, OEM reference number, engine serial number or fuel pump identification number. Machine model alone is not sufficient for compatibility confirmation.
Kubota
| Model | Machine type | Engine code | Cylinders |
|---|---|---|---|
| KX41-3 | Mini excavator | D782 / D902 | 3L |
| KX018-4 | Mini excavator | D902 | 3L |
| U17-3 | Mini excavator | D902 | 3L |
| U15-3 | Mini excavator | D782 | 3L |
Kubota Engines
| Engine | Cylinders | Application |
|---|---|---|
| D650 | 3L | Compact and industrial equipment |
| D782 | 3L | Mini excavators, compact and industrial equipment |
| D902 | 3L | Mini excavators, compact and industrial equipment |
Technical Information
| Technical specification | Information |
|---|---|
| Injection pump type | Zexel PFR3M in-line mechanical injection pump |
| Pump configuration | Three pumping elements, one per cylinder |
| Type formula | NP-PFR3MD50/1NP23 |
| Fuel system | Mechanical diesel injection system |
| Application type | Kubota D-series three-cylinder diesel engines |
| Installation type | Direct replacement |
| Compatibility verification | Part number, OE number, engine code or engine serial number required |
Important Note
Please verify your original part number, OEM reference number, engine serial number or fuel injection pump identification number before purchase.
If you are unsure whether this Bosch Zexel H104205322 diesel fuel injection pump is compatible with your engine, contact us with your equipment model, engine details and identification numbers before ordering.
Do not install the part before confirming compatibility. Installed or used diesel fuel system components may not be eligible for return.
Shipping and Warranty
| Shipping / warranty details | Information |
|---|---|
| Shipping | Same-day handling available for stock items |
| Pre-order availability | Pre-order items may require 2-4 weeks handling time |
| Warranty | 1-year warranty covering manufacturing defects |
| Returns | Returns accepted only for unused and uninstalled parts in original condition |
| Fitment responsibility | Buyer must verify compatibility before installation |
| Installation damage | Damage caused by improper installation, contaminated fuel or incorrect application is not covered |
Frequently Asked Questions
| Question | Answer |
|---|---|
| Is this a genuine Bosch Zexel injection pump? | Yes. This is a genuine new Bosch Zexel OEM diesel fuel injection pump. |
| What is the main part number? | The main reference is H104205322, OE 104205-3151, type formula NP-PFR3MD50/1NP23. |
| Which Kubota OEM number does it match? | Kubota OEM reference 1G006-51012. |
| Which equipment uses this pump? | Kubota D650, D782 and D902 three-cylinder diesel engines, fitted to mini excavators such as the KX41-3, KX018-4, U17-3 and U15-3. |
| What type of injection pump is this? | A Zexel PFR3M in-line mechanical injection pump with three pumping elements. |
| What are common signs of fuel injection pump failure? | Hard starting, low power, unstable idle, engine stalling, excessive smoke, fuel delivery problems or poor acceleration may indicate fuel system issues. |
| Is professional installation recommended? | Yes. Correct pump timing and fuel system inspection are essential for proper operation and long service life. |
Common Symptoms of Fuel Injection Pump Failure
Hard starting, extended cranking, unstable idle, poor acceleration, low engine power, increased fuel consumption, excessive exhaust smoke, rough engine operation, engine stalling, fuel delivery interruptions, abnormal engine noise or difficult cold starts may indicate problems within the diesel fuel injection system.
These symptoms may also be caused by clogged fuel filters, worn injectors, contaminated fuel, air in the fuel system, feed pump failure, fuel shut-off solenoid faults, injection timing issues or other diesel engine problems. Professional diagnostic testing is strongly recommended before replacing any diesel fuel system component.
Important Diagnostic and Installation Information
Before replacing the diesel fuel injection pump, a professional inspection should be performed, including fuel supply inspection, injector condition testing, fuel contamination inspection, injection timing verification, fuel filter inspection, fuel line inspection and diesel fuel quality analysis.
If the previous injection pump failed due to contamination or internal wear, the injectors, fuel tank, fuel lines, fuel filter housing and related fuel system components should also be inspected and cleaned before installing the replacement pump. Installing a new injection pump into a contaminated fuel system may result in repeat failure and additional diesel system damage.
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