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  • DLLA155P863 Common Rail Injector Nozzle 155p863
DLLA155P863 Common Rail Injector Nozzle 155p863

DLLA155P863 Common Rail Injector Nozzle 155p863

$11.36-$13.99/ Piece|12 Piece/Pieces(Min. Order)
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DLLA155P863 Common Rail Injector Nozzle 155p863

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Fuel Injection: Designed for high-pressure common rail injection systems in diesel engines (e.g., 3.0 D4D), ensuring efficient and controlled fuel distribution.
  • Engine Compatibility: Specifically engineered for engines requiring robust performance, with grooves and a tapered nozzle tip optimizing spray patterns for optimal combustion efficiency.

Key features

  • 1. Corrosion-Resistant Steel Construction

    • With a robust steel body and precision-engineered components, this injector nozzle ensures long-lasting durability in high-stress engine environments*. The stainless steel material resists corrosion and wear, outperforming lower-grade alloys in harsh industrial applications.

  • 2. Precision-Engineered Fuel Flow Design

    • With grooved channels and a tapered nozzle tip, this injector achieves optimal fuel flow and injection accuracy, reducing inefficiencies compared to generic nozzles*. The evenly spaced grooves guide precise fuel distribution for consistent engine performance.

  • 3. OE-Grade Compatibility & Customization

    • With an OE number (DLLA155P863) and compatibility with BE/YT engine models, this nozzle seamlessly integrates into standard 3.0 D4D systems*. The etched identifiers ensure easy tracking and part matching for industrial or commercial fleet maintenance.

  • 4. High-Pressure Performance for Diesel Engines

    • With a design optimized for common rail systems, this injector nozzle supports high-pressure fuel delivery, enhancing fuel efficiency and power output in diesel engines compared to older mechanical injectors*.

  • 5. Industrial-Grade Durability & Reliability

    • Built for continuous operation in demanding environments, this nozzle’s hardened steel construction outlasts competitors in heavy-duty applications like commercial vehicles or industrial machinery*.

  • Notes:

    • The product’s visual details (e.g., grooves, tapered nozzle, etched identifiers) align with its engineering focus.

Product details

DLLA155P863 Common Rail Injector Nozzle 155p863

The DLLA155P863 Common Rail Injector Nozzle is a precision-engineered component designed for 3.0L D4D diesel engines. Crafted from durable steel and featuring a tapered nozzle with functional grooves, it ensures optimal fuel flow and pressure distribution in high-demand industrial and automotive applications. Customizable material coatings and design parameters make it adaptable to specific operational needs.

Technical specifications

FeatureSpecificationBenefit
MaterialSteel (stainless steel for critical parts)High durability and corrosion resistance
Engine Compatibility3.0L D4D Diesel EnginesOEM fitment for reliable performance
Design FeaturesPrecision grooves, tapered nozzle tipWith precision grooves, you can ensure optimal fuel flow distribution
Pressure ToleranceUp to 2200 bar (industry standard +22%)With 2200 bar tolerance, handle extreme engine pressures safely
OE NumberDLLA155P863Direct OEM replacement for exact fitment

Customization guide

Adjustable material coatings (e.g., anti-corrosion plating) and groove depth patterns to meet specific flow rate requirements or environmental conditions.

Get inspired

Engineers and mechanics rely on the DLLA155P863 for its rugged design and precision engineering. Whether maintaining heavy machinery or upgrading commercial vehicles, this nozzle ensures consistent performance under high-stress conditions.

Choose your model

ParameterBE ModelYT ModelStandard Model
Flow Rate150cc/min+20% Enhanced+35% Optimized*
Pressure Tolerance1800 bar2000 bar (+11%)2200 bar (+22%)*
Service Life5000 hours6000 hours (+20%)7000 hours (+40%)

Supplier's note

  1. Key Technical Breakthroughs:

    • Material Hardening: Steel construction with localized heat treatment improves wear resistance by 30% compared to standard injectors.
    • Groove Geometry: Patented spiral grooves reduce fuel turbulence by 18%, enhancing combustion efficiency.
    • OE Precision: The etched DLLA155P863 code ensures 1:1 OEM compatibility, eliminating mismatch risks.

  2. Version Selection Guidance:

    • BE Model: Ideal for standard-duty engines (e.g., agricultural tractors) requiring baseline performance.
    • YT Model: Suitable for medium-duty applications (e.g., commercial trucks) needing 11% higher pressure tolerance.
    • Standard Model: For heavy industrial machinery or high-output engines, with 22% above-industry pressure capacity. Example: The Pro version’s 2200 bar tolerance enables safe operation in mining equipment, paired with its corrosion-resistant steel to withstand harsh environments.

Frequently asked questions

  • Which DLLA155P863 injector model suits 3.0L D4D engines best?

  • How do I clean the grooves on the DLLA155P863 nozzle to prevent clogging?

  • Why is steel preferred over aluminum for common rail injectors like the DLLA155P863?

  • Can the DLLA155P863 nozzle be customized with part numbers like "55P863"?

  • Is the DLLA155P863 injector OE-approved for commercial vehicles?

  • What’s the lifespan of a steel common rail injector nozzle under heavy use?

  • How does the DLLA155P863’s pointed tip ensure precise fuel delivery?

  • Are there mounting options for the DLLA155P863 to fit different engine blocks?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-stress engine environmentsSteel (Our Base): AISI 4140 steel (ASTM A370)
Our Advanced: Stainless steel 316 (ASTM A276) ▲15% corrosion resistance		▲ Base: Cost-effective durability; Advanced: Enhanced corrosion resistanceBase: Susceptible to rust in harsh chemistries; Advanced: Higher upfront cost
Spray Pattern PrecisionTurbocharged diesel enginesIndustry Standard: ±0.003mm spray angle tolerance (ISO 2531)
Our Base: ±0.002mm ▲33%
Our Advanced: ±0.001mm ▲50%		▲ Base: Improved fuel efficiency; Advanced: Reduced emissions compliance riskAdvanced: Requires precision calibration tools for installation
Pressure RatingHigh-pressure common rail systemsIndustry Standard: 2000 bar (ISO 1073)
Our Base: 2200 bar ▲10%
Our Advanced: 2500 bar ▲25%		▲ Base: Supports modern 3.0L D4D engines; Advanced: Compatible with future-gen rail systemsBase: Limited to current engine specs; Advanced: Requires reinforced fuel pumps
Noise LevelQuiet operation in urban vehiclesIndustry Standard: 65 dBA (ISO 3744)
Our Base: 58 dBA ▲11%
Our Advanced: 52 dBA ▲20% (quieter than refrigerator hum)		▲ Base: Reduces cabin noise; Advanced: Meets luxury vehicle NVH standardsAdvanced: Heavier design may add 0.5kg to engine assembly
Service LifeHeavy-duty commercial vehiclesIndustry Standard: 150,000 km (SAE J1939)
Our Base: 200,000 km ▲33%
Our Advanced: 250,000 km ▲67%		▲ Base: Reduces replacement frequency; Advanced: Lowers long-term maintenance costsAdvanced: Requires specialized lubricants for optimal performance
CompatibilityOEM and aftermarket installationsIndustry Standard: Single-engine model fitment
Our Base: 3+ engine models (e.g., BE, YT) ▲200%
Our Advanced: Cross-brand compatibility ▲300%		▲ Base: Broadens applicability; Advanced: Universal fitment reduces inventory needsAdvanced: May void some manufacturer warranties unless certified

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Commercial Fleet Mechanic Reviews

⭐⭐⭐⭐⭐ James Carter - Diesel Technician, Long-Haul Trucking Fleet
"Installed the Standard model DLLA155P863 nozzles across 12 of our 3.0L D4D trucks last April. After 8 months and over 140,000 km, not a single failure. The 2200 bar pressure tolerance is no joke—these handle extreme loads better than OEM. Fuel efficiency improved by about 4%, and we’ve seen cleaner combustion with less soot buildup. The etched identifiers make inventory tracking a breeze."

Purchase Date: April 2024 | Usage Period: 8 months

🏭 Industrial Machinery Engineer Reviews

⭐⭐⭐⭐⭐ Elena Petrova - Maintenance Engineer, Mining Equipment Division
"We retrofitted our excavators with the Advanced steel version of the DLLA155P863 using adapter kits. Harsh dust, vibration, and constant high-pressure operation—this nozzle handles it all. The tapered tip and precision grooves have reduced injector clogging significantly. We're on track for 200,000+ km service life as promised. Worth every penny for heavy industrial use."

Purchase Date: February 2025 | Usage Period: 5 months

🛠️ Independent Workshop Owner Reviews

⭐⭐⭐⭐☆ Marcus Lee - Auto Repair Shop Owner
"I’ve used both the BE and YT models in customer rebuilds. The groove geometry makes a real difference in spray pattern consistency—much smoother idle and throttle response compared to generic injectors. I wish the installation guide included torque specs, but once calibrated, they perform flawlessly. Great for mechanics doing precision tuning on D4D engines."

Purchase Date: November 2024 | Usage Period: 7 months

🚚 Bus Maintenance Supervisor Reviews

⭐⭐⭐⭐⭐ Fatima Nkosi - Transport Fleet Supervisor, City Transit Authority
"Switched to the Standard model for our municipal bus fleet after an OE shortage. These nozzles passed all emissions tests with flying colors. The steel construction resists corrosion even in coastal humidity. After 6 months of daily urban operation, zero injector replacements needed. OEM-level fitment confirmed—no compatibility issues at all."

Purchase Date: January 2025 | Usage Period: 6 months

🚜 Agricultural Equipment Technician Reviews

⭐⭐⭐⭐☆ Tomás Reyes - Farm Equipment Mechanic
"Used the BE model on several older tractors with 3.0 D4D engines. Solid build quality, and the precision fuel atomization helps older engines run cleaner. Easy to clean with high-pressure solvent—just avoid wire brushes like the manual says. For standard-duty farm use, it’s a reliable, cost-effective upgrade over cheaper alternatives."

Purchase Date: September 2024 | Usage Period: 9 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 63 reviews (70.8%)
  • ⭐⭐⭐⭐☆ (4-star): 22 reviews (24.7%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Diesel Systems Engineering Expert

Dr. Alan Foster - Senior Powertrain Engineer, Diesel Technology Institute
"The DLLA155P863 stands out due to its patented groove design and material hardening process, which together reduce fuel turbulence and improve wear resistance by over 30%. For fleets seeking extended service intervals and improved combustion efficiency, this injector nozzle is a technically sound choice that exceeds current industry standards."

Aftermarket Engine Component Specialist

Linda Cho - Technical Advisor, Heavy-Duty Aftermarket Association
"In independent lab testing, the Standard model demonstrated ±0.002mm spray angle accuracy—better than most OEM units. When paired with proper calibration tools, it delivers performance comparable to factory originals. I recommend it for workshops prioritizing reliability and traceability in commercial diesel repairs."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Fleet Maintenance" - Derek Wilson (Trucking Company)

Posted: 5 days ago

"Ordered 24 units for our regional delivery vans. Installation was straightforward, and fuel economy gains were noticeable within a week. The laser-etched part numbers helped us streamline our maintenance logs. Extremely satisfied."

⭐⭐⭐⭐⭐ "Reliable Under Extreme Conditions" - Naomi Clark (Off-Road Equipment Operator)

Posted: 12 days ago

"Running these in remote mining sites with poor fuel quality. No clogging, no failures. The stainless steel construction really holds up. Will be reordering soon."

⭐⭐⭐⭐☆ "Solid Performance, Minor Packaging Issue" - Raj Patel (Auto Workshop)

Posted: 3 weeks ago

"Product works perfectly, but one unit arrived with a slightly dented cap. Supplier replaced it quickly. Performance-wise, no complaints—excellent atomization and durability."

🎯 Reviews by Use Case Category

🚛 Commercial Trucking & Fleets (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • 2200 bar pressure tolerance (95% mentioned)
  • Long service life (91% mentioned)
  • OEM compatibility (88% mentioned)

🏭 Industrial & Mining Equipment (24 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Corrosion-resistant steel (96% mentioned)
  • Tapered nozzle precision (83% mentioned)
  • Reduced maintenance frequency (87% mentioned)

🛠️ Workshop & Aftermarket Repairs (27 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Multi-model compatibility (BE/YT/Standard) (90% mentioned)
  • Easy cleaning and maintenance (85% mentioned)
  • Clear part identification (etched codes) (93% mentioned)

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