Rajan Wilcox
Bosch fuel injectors are known for their broad market coverage, catering to both OE and aftermarket applications. Their part numbers are traditionally 10 digits long, starting with 04, but they can also begin with 09 for factory-remanufactured parts or F0 for late-model common rail components. The spray angle of standard nozzles is included in the part number, for example, BDL30S6232 indicates a 30-degree spray angle. The letter 'B' at the start of the number was added to differentiate British-built equipment from German-built. While Bosch part numbers follow a specific structure, the numbering system can vary across different markets and manufacturers, making it challenging to decode.
Bosch Fuel Injector Part Numbers Characteristics
| Characteristics | Values |
|---|---|
| Number of digits | 10 |
| First digits | 04, 09, or F0 |
| First digit meaning | 04: standard Bosch part, 09: Bosch factory remanufactured, F0: late model common rail components |
| Spray angle | Included in the part number (e.g., 30-degree spray angle is BDL30S6232) |
| Nozzle type | Pintle type (DN), standard nozzle (BDL), or Time Delay nozzle (T) |
| Nozzle head size | Indicated by a number, e.g., 17mm (S) |
| Engine type | Specific codes or numbers |
| Production plant code | e.g., 927 for Charlston |
| Contamination | Particles as small as 10 microns (0.01mm) can affect performance |
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What You'll Learn
Bosch part numbers are 10 digits long, beginning with 04
Bosch part numbers are traditionally 10 digits long and begin with "04". However, part numbers can also begin with "09" if they are Bosch factory remanufactured or \"F0\" for late-model common rail components. The Bosch part number can be found on the component itself, either on a parts ID tag riveted to the housing, on a parts sticker, or printed onto the plastic moulding of the component. For common rail components like injectors, high-pressure pumps, and rail assemblies, there can be two Bosch part numbers for the same component. This depends on whether it was manufactured and supplied by Bosch directly to the vehicle manufacturer (OEM) or supplied to the Bosch aftermarket network.
The Bosch part number system used to be fairly simple, but it has become more complex as more companies have entered the market. The part number can provide information such as the spray angle for standard nozzles. For example, BDL30S6232 indicates a 30-degree spray angle, while BDN12SD12 indicates a 12-degree spray angle for a pintle nozzle. The 'B' at the start of the number was added for CAV to differentiate British-built equipment from German-built equipment when CAV and Bosch were separate entities. So, a Bosch-built nozzle would be 'DN12SD12' without the 'B'. Additionally, a 'T' in the second part of the number indicates a Time Delay nozzle.
The positioning of markings on Bosch injectors has changed over time. Older injectors produced in Homburg, Germany, had the Bosch logo, manufacturing date, part number, and production plant code marked on the injector body, usually above the nozzle retaining nut. However, newer injectors produced in Charleston may not have all these markings on the injector body. Instead, the part number and production plant code may only be visible on the nozzle or the top of the magnet.
It is important to note that Bosch serial numbers for appliances like dishwashers may follow a different format and can be used to identify the manufacturing date and month. For example, FD961200000 translates to December 2016, where the first digit after "FD" minus 2 gives the decade, the second digit the year, and the third and fourth digits the month.
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Numbers can also begin with 09 or F0
Bosch part numbers are traditionally 10 digits in length and begin with "04". However, the part numbers can also begin with "09" or "F0".
Part numbers starting with "09" indicate that the component is a Bosch factory remanufactured part. For example, the part number for a set of brand new Bosch 5.9 Cummins Fuel Injectors is "0 445 120 238", while the remanufactured version of the same injector has the part number "0 986 435 505".
Part numbers starting with "F0" are used for late-model common rail components, such as injectors, high-pressure pumps, and rail assemblies. These components are typically found in newer vehicles.
It is important to note that for common rail components, there can be two Bosch part numbers for the same component. This is because the part number depends on whether the component was manufactured and supplied by Bosch directly to the vehicle manufacturer (OEM) or supplied to the Bosch aftermarket network.
In addition to the part number, Bosch injectors also have a production plant code and a manufacturing date code. The production plant code indicates where the injector was manufactured, such as "927" for Charlston. The manufacturing date code is typically in the format of yy/mm/dd, with the first two digits representing the year, the next two digits representing the month, and the last two digits representing the day. For example, "14-09-18" indicates that the injector was manufactured on September 18, 2014.
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Two Bosch part numbers can exist for the same component
Bosch part numbers are traditionally 10 digits in length and begin with "04". However, part numbers can also begin with "09" if they are Bosch factory remanufactured, or \"F0\" for late-model common rail components. The Bosch part number is located on the component, either on a parts ID tag riveted to the housing, on a parts sticker, or printed onto the plastic moulding of the component.
For common rail components, such as injectors, high-pressure pumps, and rail assemblies, there can indeed be two Bosch part numbers for the same component. This occurs depending on whether the component was manufactured and supplied directly to the vehicle manufacturer (OEM) or supplied to the Bosch aftermarket network.
Additionally, Bosch part numbers may vary due to different calibrations, branding, and configurations, even if the components appear physically identical. This is especially true for electronic components, where slight variations can result in different part numbers.
Furthermore, Bosch updates their part numbers with new versions of the same model. For example, if they make a service change to a few parts, they will modify the last three digits of the engineering number to prevent customers from accidentally ordering parts from the old version. This practice ensures that customers receive the correct parts for their specific needs.
In summary, Bosch part numbers can vary due to several factors, including manufacturing destinations, aftermarket modifications, electronic configurations, and updates to existing models. As a result, it is essential to refer to the correct part number for the specific component required to avoid confusion and ensure compatibility.
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Spray angle is included in the part number
Bosch fuel injector part numbers are 10 digits in length and typically begin with "04". However, the part numbers can also start with "09" if the component is Bosch factory remanufactured, or "F0" for late-model common rail components.
The spray angle of a fuel injector is a crucial specification that significantly impacts the performance and emissions of an engine. The spray angle determines the direction and dispersion of the injected fuel, influencing the targeting injection point and the fuel-air mixture.
The spray angle is included in the Bosch fuel injector part number, providing essential information about the injector's characteristics. For example, the part number BDL30S6232 indicates a 30-degree spray angle for a standard nozzle, while BDN12SD12 denotes a 12-degree spray angle for a pintle nozzle.
By including the spray angle in the part number, Bosch provides valuable information for identifying and selecting the correct injector for a specific engine application. This specification ensures that the injector's spray pattern matches the engine's requirements, optimizing performance and minimizing emissions.
Additionally, the spray angle plays a crucial role in the combustion process and emissions of an engine. A narrower spray angle can lead to liquid fuel films forming on the piston surface, while an overly wide spray angle can cause issues with the cylinder liner. Therefore, selecting the appropriate spray angle is vital to achieving efficient combustion and reducing emissions.
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A 'T' in the second part of the number indicates a Time Delay nozzle
Bosch fuel injector part numbers are traditionally 10 digits long and begin with "04". However, the part numbers can also begin with "09" if the injector is Bosch factory-remanufactured or “F0" for late-model common rail components. For common rail components, there can be two Bosch part numbers for the same component, depending on whether it was manufactured and supplied by Bosch directly to the vehicle manufacturer or supplied to the Bosch aftermarket network.
The Bosch part number will be located on the component either on a parts ID tag riveted to the housing, on a parts sticker, or printed onto the plastic moulding of the component. The part number may also be located on the top of the magnet and the nozzle.
The meaning of the numbers and letters in Bosch fuel injector part numbers is not always clear, and the system has become more confusing over time as more companies have entered the market. However, a “T" in the second part of the number indicates a Time Delay nozzle. For example, the Bosch part number "DN12SD12" indicates a 12-degree spray angle pintle nozzle, and the "T" in "DT" would indicate a Time Delay nozzle with a 12-degree spray angle.
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Frequently asked questions
Bosch part numbers are traditionally 10 digits in length, beginning with "04".
If your Bosch part number starts with "09", it means that it is Bosch factory remanufactured.
If your Bosch part number starts with "F0", it means that it is a late model common rail component.
The "B" at the start of the number was added for CAV so that British-built equipment could be differentiated from German-built equipment when CAV and Bosch were in existence together.
