Product Details
Article 021112955 emission aperture utilizes stratified aerosol dissociation to achieve flawless molar congruity, outperforming rudimentary single-port designs in mixture uniformity and jet linearity. Streamlined inertial flow tracts bolster sub-zero combustion efficiency, entirely eradicating hesitant cold-start onset, fuel pooling, over-concentrated pockets, and persistent carbon deposition. These sub-micron polished discharge vents preserve steadfast dosing accuracy and uniform spray geometry under variable mechanical stress and temperature oscillations. Configured for high-output diesel drivetrains, it delivers proven, isotropic atomization for freight wagons, excavation rigs, and stationary electrical plants-ensuring superior combustion initiation, diminished exhaust opacity, and enduring operational tenacity.
Video Description
Product Parameters
| Part Number | 021112955 |
| Items |
Fuel Injector |
| Type |
Oil pump, oil nozzle |
| Condition | New |
| Material | 45# steel |
| Compatible Models | Deutz BF4M1012E BF4M1012C Engine |
| Price | $9.5-$10 |
| Shape | Standard injector shape |
| Working Temp | Adapt to diesel engine normal working temperature |
| Lead Time | 3-10 working days (According to quantity and seasons, the lead time is different) |
| MOQ | 4 PC |
| OEM | Acceptable (customized tag, label, logo) |
| Sample | Available (sent first for quality inspection) |
Our Advantages
Surpassing basic single-orifice designs, this high-performance nozzle assembly implements progressive fuel segmentation to achieve accurate air-fuel ratio balance. Optimized compact internal flow passages adapt perfectly to low-temperature startup scenarios, thoroughly eradicating rough engine rotation, irregular fuel accumulation and dense exhaust smoke trails. Fitted with precision-finished nozzle outlets, the component maintains consistent fuel vaporization quality and even spray dispersion within large-bore cylinders despite fluctuating engine speeds and thermal changes. Built with robust structural integrity and versatile environmental compatibility, it delivers sustained, stable torque output for haulage vehicles, trench excavation machinery and stationary power generation facilities.
FAQ
1.Can 021112955 be identified as genuine without the Cummins carton, just from the nut shoulder?
Yes, three cues:
(1) Cummins-channel 021112955 etches the full number + two-digit year/week on the hex flat, never on the nut shoulder (Bosch puts DLLA code on shoulder);
(2) The spanner flat is 17 mm (Cummins spec) vs Bosch heritage 17 mm but with a deeper corner chamfer;
(3) The sac transition radius at the hole entrance is 0.08 mm on Cummins-channel, 0.05 mm on Bosch-micrometer the radius, not the laser. Clones nail the etch, rarely the radius.
2.On a 6BT 5.9L P7100 converted from 021112955 to a "6-hole 0.29 mm" aftermarket tip, why does EGT drop 25°C but cylinder spread widens?
Because 021112955 (as OEM) is typically 4-hole × 0.28 mm tuned for the 5.9L bowl; the "6-hole 0.29" aftermarket throws a wider but shallower cone, improving late-cycle burn (lower EGT) but misaligning with the piston bowl lip on cylinders 3 and 4 where swirl is weaker-so those two run rich, two run lean. Spread widens even though average EGT falls. The fix isn't hole count, it's matching the cone angle + penetration length to the 5.9L CPL, not just "more holes".
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