Precision is non-negotiable in modern diesel fuel injection. The DLLA145P2168 common rail nozzle is engineered for high-pressure systems, delivering exact fuel atomization required by modern commercial engines. Crafted using Swiss CNC machining centers and advanced EDM hole-drilling technology, every single nozzle maintains micron-level geometric tolerances. Unlike generic aftermarket alternatives that suffer from spray angle deviations, this component ensures optimal combustion efficiency and reduces harmful exhaust emissions.
Key Features & Applications
Designed specifically for heavy-duty commercial vehicles and industrial diesel engines, the DLLA145P2168 excels in high-load operating conditions.
Zero Bench Test Failure Rate
Every batch undergoes rigorous hydraulic testing on Hartridge test benches before packaging.
Thermal Resistance
Withstands continuous combustion chamber temperatures exceeding 650℃ without micro-cracking.Precise
Spray Pattern
Multi-hole configuration optimizes air-fuel mixing, directly improving engine responsiveness and lowering fuel consumption.
Detailed Craftsmanship & Quality Control
Excellence in fuel injection relies heavily on internal micro-geometry. The needle valve guide and spray orifice of the DLLA145P2168 are finished with high-precision abrasive flow machining, achieving a surface roughness of Ra < 0.05 μm. This extreme smoothness minimizes hydraulic friction and prevents carbon accumulation during long-term operation.
[Raw Material Inspection] ➔ [CNC Precision Grinding] ➔ [EDM Hole Machining] ➔ [Vacuum Heat Treatment] ➔ [Hartridge Flow Bench Testing]
Engineering Evidence & Performance Proof
Our production lines adhere to ISO/TS 16949 quality management standards. In third-party comparative durability tests over 1,500 hours of continuous operation, the DLLA145P2168 demonstrated a 99.8% flow stability rate-matching original equipment manufacturer (OEM) performance benchmarks while significantly reducing maintenance costs for diesel service centers.
Dedicated Support & Warranty Services
We understand that professional diesel rebuilders require absolute reliability.
Global Shipping
Fast-dispatch logistics with secure, moisture-proof industrial packaging.
Technical Assistance
Our senior calibration engineers provide remote diagnostic and flow-matching support.
Warranty Policy
Backed by 6-12 month operational guarantee and hassle-free replacement for any manufacturing defects,Under Compliant with Euro V and Euro VI emission standards.
FAQ
Q: How does the DLLA145P2168 handle ultra-low sulfur diesel (ULSD)?
A: The nozzle utilizes high-alloy tool steel treated with specialized carbon-nitriding, providing superior lubricity and corrosion resistance against dry or low-lubricity fuels.
Q: Are these nozzles flow-matched before shipping?
A: Yes. All nozzles are grouped into strict flow classes to ensure uniform fuel delivery across all cylinders, eliminating engine idling vibration.
Q: What test benches are compatible with this part's calibration data?
A: They are fully compatible with mainstream diagnostic test benches, including Hartridge, Bosch EPS series, and Stardex equipment.
Company Updates & Manufacturing Innovation
As of 2026, our factory has upgraded its automated optical inspection (AOI) lines, reducing microscopic defect rates by an additional 15%. We continue to partner with elite diesel injection service centers across Australia, North America,South America .the Middle East and Europe, supplying high-performance components that optimize workshop profit margins without compromising technical integrity.
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Key Specifications
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Part Number |
DLLA145P2168 |
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Application Type |
High-pressure common rail fuel injection systemsMaterial |
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Composition |
Premium bearing steel with vacuum heat treatmentSurface |
|
Treatment |
Nano-scale anti-wear coating for extended operational lifespan |
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Flow Tolerance |
Strict matching within ±2% to ensure balanced cylinder performance |
