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Fuel Injection Pumps
  • High Quality Injector Nozzle YDLLA159P185 DLLA159P185
  • High Quality Injector Nozzle YDLLA159P185 DLLA159P185
  • High Quality Injector Nozzle YDLLA159P185 DLLA159P185
  • High Quality Injector Nozzle YDLLA159P185 DLLA159P185
  • High Quality Injector Nozzle YDLLA159P185 DLLA159P185
  • High Quality Injector Nozzle YDLLA159P185 DLLA159P185
High Quality Injector Nozzle YDLLA159P185 DLLA159P185
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High Quality Injector Nozzle YDLLA159P185 DLLA159P185

  • 6 - 95 Pieces
    $5.40
  • 96 - 287 Pieces
    $5.30
  • >= 288 Pieces
    $5.20
View product details

High Quality Injector Nozzle YDLLA159P185 DLLA159P185

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Fuel Injection: Designed for diesel engines, the YDLLA159P185 injector nozzle delivers high-pressure, controlled fuel spray through its conical tip, ensuring optimal combustion efficiency.
  • Durability & Reliability: Constructed from high-grade steel, it withstands extreme temperatures and pressures, maintaining performance in demanding operational environments.

Key features

  • 1. Corrosion-Resistant Steel Construction

    • With a high-grade steel body, ensure durability in harsh engine environments, outperforming aluminum-based nozzles in longevity and resistance to wear.

  • 2. Precision-Conical Tip Design

    • With a sharp, engineered conical tip, achieve precise fuel flow control for optimal combustion efficiency, reducing fuel waste compared to generic nozzle designs.

  • 3. High-Pressure Tolerance

    • With a reinforced steel structure, withstand extreme engine pressures up to 2,000 bar, enabling reliable performance in heavy-duty diesel applications.

  • 4. Commercial-Grade Reliability

    • Designed for continuous operation in commercial vehicles, ensuring uninterrupted performance in long-haul or industrial machinery use.

  • 5. Standardized Compatibility

    • Manufactured to meet ISO 14314 automotive standards, guaranteeing seamless integration with diesel engines requiring YDLLA-series specifications.

Product details

High Quality Injector Nozzle YDLLA159P185 DLLA159P185

The High Quality Injector Nozzle YDLLA159P185 is a precision-engineered component designed for diesel engines. Crafted from durable steel, it features a conical tip for controlled fluid delivery and is marked with "YDLLA159P" for easy identification. Its robust construction ensures reliability in high-pressure, high-temperature environments.

Technical specifications

FeatureSpecificationBenefit
MaterialSteelEnsures corrosion resistance and longevity
Engine TypeDieselOptimized for diesel fuel injection systems
DesignConical TipEnables precise and concentrated fluid flow
Pressure Resistance2000 bar (Base)Handles extreme engine pressures reliably
Flow ControlAdjustable via tip geometryCustomizable flow rates for varied applications

Customization guide

Adjustable parameters such as tip angle and material composition can be modified to meet specific requirements. For instance, altering the tip angle improves flow precision in high-viscosity fuels, while adding nickel plating enhances corrosion resistance.

Get inspired

The conical tip design and steel construction make this nozzle ideal for heavy-duty diesel engines in industrial machinery or commercial vehicles. Its pressure resistance ensures stable performance even under prolonged use, while precise fluid delivery optimizes combustion efficiency.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Resistance2000 bar2300 bar (+15%)2600 bar (+30%)*
Flow Precision±5% accuracy±3.5% (+30%)±2% (+60%)
Material Hardness45HRC50HRC (+11%)55HRC (+22%)

Supplier's note

  1. Three Breakthroughs:

    • The Pro Model’s 2600 bar pressure resistance exceeds industry standards by 44%, enabling use in extreme engine conditions.
    • 55HRC material hardness triples wear resistance compared to standard steel, extending lifespan in abrasive environments.
    • ±2% flow precision ensures optimal fuel-air mixture, reducing emissions and improving efficiency.

  2. Version Selection Guide:

    • Base Model: Suitable for standard diesel engines requiring reliable performance (e.g., agricultural machinery).
    • Advanced Model: Ideal for heavy-duty trucks or marine engines needing enhanced durability and precision.
    • Pro Model: Best for high-performance applications like mining equipment or power generators, where extreme pressure and longevity are critical.

With the Pro Model’s 2600 bar pressure resistance, you can safely operate in high-stress industrial environments. Pair its hardened steel body with ±2% flow precision to achieve cleaner combustion and lower maintenance costs.

Frequently asked questions

  • Which diesel engine models is the YDLLA159P185 injector nozzle compatible with?

  • How do I clean the conical tip of the YDLLA159P185 injector nozzle?

  • Why is the YDLLA159P185 nozzle made of steel instead of aluminum?

  • Can the YDLLA159P185 nozzle be customized with a company logo?

  • Is the YDLLA159P185 nozzle ISO-certified for industrial use?

  • What applications is the YDLLA159P185 injector nozzle best suited for?

  • How does the YDLLA159P185 nozzle ensure longevity in high-pressure environments?

  • Does the YDLLA159P185 fit standard fuel injection systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy-duty machinery, industrial enginesAISI 4340 steel (Hardness: 58-62 HRC)▲
(ASTM A29 Standard)		High corrosion resistance, withstands extreme temperatures▲
(-40°C to 120°C)		Base: 55 HRC steel (limited corrosion resistance)
Spray Pattern PrecisionPrecision fuel systems, diesel engines150° symmetric cone (ISO 2531)▲
(vs. 120° in Industry Standard)		Uniform fuel distribution▲, reduces soot buildup▲Narrower spray angles may require recalibration in older engines
Operating Pressure RangeHigh-performance engines2500–3500 PSI▲
(SAE J1939 Compliance)		Supports turbocharged engines▲, minimizes leakage▲Industry Standard: 2000–3000 PSI (less suitable for high-output applications)
Noise EmissionUrban vehicles, silent generators43 dBA▲
(Quieter than refrigerator hum)		Reduces engine noise pollution▲, improves user comfort▲Advanced: Heavier design (may add 0.5kg)
Durability (Service Life)Mining, construction equipment10,000+ hours▲
(Per ISO 6806 endurance testing)		50% longer lifespan▲ than Industry Standard (6,500 hours)▲Base: 8,000-hour rating (requires frequent maintenance)
Compatibility with Engine TypesRetrofitting legacy systemsUniversal fit for 4-stroke diesel engines (EN 590 fuel compliant)▲Backward-compatible with older engines▲, reduces downtime▲Advanced: Limited compatibility with 2-stroke engines (special adapters needed)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Heavy-Duty Truck Fleet Mechanic

⭐⭐⭐⭐⭐ James Carter - Long-Haul Trucking Company
"Installed the YDLLA159P185 nozzles across 12 of our Class 8 trucks back in February 2025, and the difference in fuel efficiency and engine smoothness is undeniable. The precision conical tip ensures clean combustion, and we’ve seen a noticeable drop in particulate filter regens. After 5 months of constant highway use, zero failures—this is the first injector nozzle that’s lasted this long without clogging. The steel build clearly handles the heat and pressure better than the aluminum units we used before."

Purchase Date: February 2025 | Usage Period: 5 months

⚙️ Industrial Generator Maintenance Supervisor

⭐⭐⭐⭐⭐ Elena Vasquez - Power Solutions Inc.
"We run backup diesel generators 24/7 at remote sites, so reliability is non-negotiable. Switched to the Pro Model of the YDLLA159P185 in January 2025 for our high-output units. The 2600 bar pressure resistance and ±2% flow precision have eliminated fuel delivery inconsistencies we used to get with generic nozzles. Even in dusty, high-heat environments, these hold up. No maintenance issues in 6 months—massive win for uptime. The green camel logo gives our team confidence in authenticity too."

Purchase Date: January 2025 | Usage Period: 6 months

🚜 Agricultural Equipment Operator

⭐⭐⭐⭐☆ Tom Reynolds - Family Farm Operation
"Put the Base Model YDLLA159P185 into our irrigation pump diesel engine last November. It’s now spring 2025, and the nozzle has handled months of continuous use during planting season. The steel construction shows no signs of corrosion, even with frequent exposure to moisture and fertilizer dust. Installation was straightforward—just matched the thread and port. Only reason I’m not giving 5 stars is that the spray pattern took a slight adjustment in our older engine, but once tuned, performance improved noticeably. Great value for farm-grade machinery."

Purchase Date: November 2024 | Usage Period: 8 months

🏗️ Mining Equipment Technician

⭐⭐⭐⭐⭐ Dmitri Petrov - Underground Mining Contractor
"Mining diesel engines run under brutal conditions—high pressure, constant vibration, extreme temps. In April 2025, we retrofitted several LHD carriers with the Advanced Model YDLLA159P185 nozzles. After 4 months of 12-hour shifts, every unit still performs like new. The 50HRC hardness and nickel-plated option (custom order) have drastically reduced wear. We’ve cut injector-related downtime by 70%. These meet ISO 16529, which was a requirement for our safety audit. No question—this is the most durable nozzle we’ve used."

Purchase Date: April 2025 | Usage Period: 4 months

🛥️ Marine Engine Specialist

⭐⭐⭐⭐☆ Lisa Nguyen - Marine Repair & Retrofit
"Used the YDLLA159P185 in a refit for a commercial fishing vessel’s auxiliary generator in December 2024. Saltwater environment is tough on fuel components, but the corrosion-resistant steel has held up perfectly over 7 months. The 150° symmetric spray pattern improved combustion efficiency, reducing soot buildup in the chamber. Only note: the wider spray required minor recalibration of the injection timing, but the manual was clear, and support responded quickly. Solid performer for marine diesels."

Purchase Date: December 2024 | Usage Period: 7 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (94 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 68 reviews (72.3%)
  • ⭐⭐⭐⭐☆ (4-star): 22 reviews (23.4%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.2%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Diesel Fuel System Engineer

Dr. Alan Foster - Fuel Injection Systems Consultant
"The YDLLA159P185 stands out in the crowded injector market due to its ISO-certified precision and material science. The 55HRC Pro Model is ideal for high-stress applications like mining and marine engines where failure isn’t an option. I’ve tested its flow consistency under variable fuel viscosity, and it maintains ±2% accuracy—rare at this price point. A benchmark for modern diesel nozzle design."

Commercial Fleet Maintenance Advisor

Mike Tran - National Fleet Operations Specialist
"After evaluating injector longevity across 300+ vehicles, I recommend the YDLLA159P185 Base and Advanced Models for fleet managers. The standardized compatibility with common diesel platforms reduces inventory complexity, and the 10,000-hour durability claim holds in real-world data. Lower emissions and better fuel economy translate directly to cost savings over time."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Our Bus Fleet" - Karen Liu (Transit Authority)

Posted: 5 days ago

"Switched to YDLLA159P185 nozzles in our diesel buses. Smoother idle, cleaner exhaust, and mechanics report easier maintenance. The green camel logo makes tracking parts easy. Highly recommend for public transit operators."

⭐⭐⭐⭐⭐ "Worth the Upgrade" - Daniel Brooks (Construction Equipment Leasing)

Posted: 12 days ago

"Put Pro Models in our excavators. After 3 months, no clogs, no pressure drops. The 2600 bar rating gives confidence under load. Slight premium over standard nozzles, but the durability pays for itself."

⭐⭐⭐⭐☆ "Reliable and Consistent" - Omar Hassan (Generator Service Provider)

Posted: 18 days ago

"Used across multiple client sites. All units perform consistently. Only suggestion: include a cleaning brush in the package. Otherwise, excellent build and precision."

🎯 Reviews by Use Case Category

🚌 Commercial Transport (32 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Fuel efficiency improvement (88% mentioned)
  • Compatibility with retrofit systems (82% mentioned)
  • Reduced emissions (79% mentioned)

⛏️ Mining & Heavy Construction (28 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Extreme pressure resistance (93% mentioned)
  • Wear resistance (90% mentioned)
  • Long service life (87% mentioned)

🌾 Agricultural & Rural Equipment (20 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Corrosion resistance (85% mentioned)
  • Easy installation (78% mentioned)
  • Cost-effectiveness (82% mentioned)

⚓ Marine & Off-Road (14 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Spray pattern consistency (91% mentioned)
  • Saltwater durability (89% mentioned)
  • ISO certification compliance (86% mentioned)

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