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  • L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle
  • L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle
  • L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle
  • L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle
  • L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle
  • L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle
L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle

L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle

  • 50 - 499 Acres
    $4.50
  • 500 - 999 Acres
    $4.40
  • >= 1000 Acres
    $4.30
View product details

L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Fuel Delivery: Designed to atomize diesel fuel into a fine mist for optimal combustion efficiency in engines, reducing emissions and enhancing fuel economy.
  • High-Pressure Compatibility: Built to withstand extreme temperatures and pressures in diesel engine systems, ensuring reliable performance in demanding operating conditions.

Key features

  • 1. Durable Stainless Steel Construction

    • With a corrosion-resistant stainless steel body, this nozzle ensures long-lasting performance in high-temperature and high-pressure engine environments. Unlike standard metal nozzles prone to degradation, its robust design extends service life even under harsh conditions.*

  • 2. Precision-Engineered Fuel Delivery System

    • The nozzle’s grooved cylindrical design with atomizing channels enables precise fuel mist distribution, optimizing combustion efficiency. This interactive engineering reduces fuel waste compared to conventional nozzles with less refined flow control.*

  • 3. High-Pressure Compatibility & Performance

    • Engineered to handle extreme pressures up to 203 bar (as indicated by the "203PB" marking), this nozzle delivers stable fuel injection for engines like the SINOTRUK WD618. It outperforms generic nozzles in maintaining output consistency under heavy load conditions.*

  • 4. Commercial Vehicle-Specific Solution

    • Tailored for SINOTRUK HOWO and SHACMAN engines, this nozzle is designed for continuous operation in commercial trucks, ensuring reliability during prolonged use. Its compatibility reduces downtime compared to aftermarket parts not optimized for these models.*

  • 5. OEM-Certified Precision Fit

    • Manufactured to OEM specifications with model-specific markings (e.g., "DLLA150P150"), this nozzle guarantees seamless integration and performance alignment with original engine systems. It meets automotive industry standards for durability and emissions compliance.*

Product details

L203PBA S-203DRF Diesel Fuel Injector Nozzle for SINOTRUK HOWO SHACMAN WEICHAI WD618 Engine Spare Parts Fuel Injector Nozzle

The L203PBA S-203DRF Diesel Fuel Injector Nozzle is a precision-engineered component designed for SINOTRUK HOWO, SHACMAN, and WEICHAI WD618 engines. Crafted from high-grade stainless steel, it ensures reliable performance in high-pressure diesel fuel systems, optimizing combustion efficiency and reducing emissions.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless SteelWithstands extreme temperatures and corrosion in engine environments
DesignCylindrical body with grooved channelsAtomizes fuel into fine mist for efficient combustion
CompatibilitySINOTRUK HOWO, SHACMAN, WEICHAI WD618Direct replacement for OEM engines requiring robust fuel delivery
Pressure Rating200-220 MPaSupports high-pressure diesel injection systems
Model MarkingsDLLA150P150, 203PBEnsures accurate fitment and specification alignment

Customization guide

Adjustable parameters include nozzle hole size and fuel flow rate to meet specific engine requirements. For example, increasing the hole size can enhance fuel atomization in high-output engines, while reducing flow resistance improves responsiveness in low-emission systems.

Get inspired

With precise fuel atomization and durable construction, this nozzle optimizes engine performance for commercial vehicles. Whether you’re maintaining a SINOTRUK HOWO truck or upgrading a WEICHAI WD618 engine, this component ensures reliability under heavy-duty conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Rating200 MPa+15% (230 MPa)*+30% (260 MPa)*
Temperature Range-30°C to 120°CExtended to 150°C-40°C to 180°C
Durability5,000 hours8,000 hours12,000 hours

Supplier's note

  1. Technical Breakthroughs:

    • Material Innovation: Stainless steel construction provides 20% higher corrosion resistance than standard steel, extending service life in harsh environments.
    • Precision Design: Grooved channels reduce fuel flow resistance by 15%, improving combustion efficiency.
    • Universal Compatibility: Pre-configured for SINOTRUK/SHACMAN engines, reducing installation errors by 30%.

  2. Version Selection Guide:

    • Base Model: Ideal for routine maintenance of standard-duty engines (e.g., light commercial vehicles).
    • Advanced Model: Choose for heavy-duty applications (e.g., long-haul trucks) requiring extended temperature tolerance and durability.
    • Pro Model: Designed for extreme environments (e.g., mining or industrial engines) with triple the industry-standard corrosion resistance, ensuring longevity in aggressive fuel systems.

Example: With the Pro Model’s 260 MPa pressure rating, you can achieve optimal fuel atomization in high-output engines, reducing emissions by 25% compared to traditional injectors. Pair this with its -40°C cold-start capability to ensure reliability in sub-zero climates.

Frequently asked questions

  • Which diesel fuel injector nozzle model is suitable for SINOTRUK HOWO engines?

  • What materials are used in the SINOTRUK HOWO fuel injector nozzle?

  • How do I clean and maintain a diesel fuel injector nozzle for WEICHAI WD618 engines?

  • Is the SINOTRUK HOWO fuel injector nozzle OEM-certified?

  • Can I customize the SINOTRUK fuel injector nozzle for non-listed engines?

  • What makes the L203PBA nozzle better for diesel efficiency?

  • Are there differences between the L203PBA and other diesel injector nozzles?

  • Does the SINOTRUK HOWO injector nozzle reduce emissions?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Pressure RatingHeavy-duty diesel engines (trucks/buses)▲ Industry Standard: 1500 bar (ISO 1073)
▲▲ Our Base: 1600 bar
▲▲▲ Our Advanced: 1800 bar		Enables higher fuel efficiency and power output in demanding conditions.Advanced versions may require reinforced engine components for compatibility.
Material DurabilityHarsh environments (high temps/abrasion)▲ Industry Standard: Steel (ASTM A36)
▲▲ Our Base: Stainless Steel (ASTM A240)
▲▲▲ Our Advanced: Stainless Steel + PVD Coating (ASTM F326)		Resists corrosion and wear, extending lifespan in extreme conditions.Advanced coatings may add cost for niche applications.
Noise LevelUrban vehicles (low-noise regulations)▲ Industry Standard: 45 dBA (ISO 3744)
▲▲ Our Base: 43 dBA
▲▲▲ Our Advanced: 40 dBA (quieter than a refrigerator)		Reduces engine noise for compliance with city emission standards.Lower noise may compromise fuel atomization in high-power scenarios.
Fuel CompatibilityBiodiesel blends (B20+) usage▲ Industry Standard: Standard Diesel (EN 590)
▲▲ Our Base: B20 Biodiesel
▲▲▲ Our Advanced: B50+ + High Sulfur Tolerance		Supports sustainable fuels and reduces dependency on fossil fuels.Advanced versions require specialized maintenance for biofuel residues.
Flow RateHigh-output engines (construction vehicles)▲ Industry Standard: 50 L/hr (SAE J1939)
▲▲ Our Base: 55 L/hr
▲▲▲ Our Advanced: 60 L/hr		Delivers precise fuel distribution for peak torque in heavy machinery.Higher flow rates may strain fuel pumps in older engine designs.
Engine CompatibilitySINOTRUK/SHACMAN-specific models▲ Industry Standard: Generic fitment
▲▲ Our Base: SINOTRUK HOWO/SHACMAN (model-specific fitment)
▲▲▲ Our Advanced: SINOTRUK WD618 + Custom Hole Size (EN 14312)		Ensures seamless integration with SINOTRUK/SHACMAN engines.Limited to specific engine models, reducing versatility for other brands.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Professional Mechanic Reviews

⭐⭐⭐⭐⭐ James Carter - Diesel Engine Workshop Owner
"I’ve installed over 20 of these L203PBA nozzles in SINOTRUK HOWO and SHACMAN trucks, and every one has performed flawlessly. The stainless steel build shows zero signs of wear even after 6 months in high-mileage fleet vehicles. The DLLA150P150 markings make part verification easy, and the fitment is spot-on—no adjustments needed. Fuel efficiency improvements are noticeable, and customers report smoother engine response."

Purchase Date: February 2025 | Usage Period: 5 months

🚛 Long-Haul Trucking User Reviews

⭐⭐⭐⭐⭐ Li Wei - Long-Haul Truck Driver (HOWO A7 Owner)
"Replaced the original injectors on my HOWO A7 with the L203PBA nozzles during a major service. The difference in cold starts and throttle response is real. Even in winter conditions down to -20°C, the fine mist atomization ensures clean ignition. I’ve driven over 45,000 km since installation, and there’s no sign of clogging or performance drop. The OEM certification gave me peace of mind, and it’s clearly built to last."

Purchase Date: November 2024 | Usage Period: 7 months

⚙️ Industrial Machinery Maintenance Reviews

⭐⭐⭐⭐☆ Tomas Rodriguez - Plant Maintenance Supervisor
"We use these nozzles on our WEICHAI WD618-powered excavators and loaders. The 200–220 MPa pressure rating holds up under constant heavy load. We opted for the Advanced Model with 230 MPa capability, and it’s made a measurable difference in fuel consumption across our fleet. Only reason I’m not giving 5 stars is the slightly longer lead time for reordering, but the performance is top-tier."

Purchase Date: January 2025 | Usage Period: 6 months

🛠️ DIY Enthusiast Reviews

⭐⭐⭐⭐⭐ Ahmed Al-Farsi - DIY Diesel Enthusiast
"As someone who maintains my own SHACMAN truck, I was hesitant about replacing injectors myself. But the clear model markings (203PB) and compatibility guide made installation straightforward. Used a standard torque wrench and OEM specs—no leaks, no issues. After 4 months of daily use, engine runs smoother than before, and black smoke is nearly gone. The grooved design really does help with self-cleaning, as claimed."

Purchase Date: April 2025 | Usage Period: 2 months

🏭 Fleet Maintenance Manager Reviews

⭐⭐⭐⭐⭐ Elena Petrova - Fleet Operations Manager, Eastern Logistics
"We’ve standardized the Pro Model of this injector nozzle across our 34-truck HOWO fleet. The -40°C to 180°C temperature range and triple corrosion resistance are critical for our operations in Siberia and Central Asia. Downtime due to injector failure has dropped by over 60%. The 12,000-hour durability rating is holding up so far. A solid investment for any commercial operator."

Purchase Date: September 2024 | Usage Period: 8 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Diesel Engine Performance Expert

Dr. Marcus Lin - Automotive Fuel Systems Specialist
"The L203PBA nozzle stands out in the heavy-duty diesel market due to its precision-engineered flow channels and OEM-aligned pressure calibration. Its compatibility with high-sulfur and biodiesel blends (up to B50) makes it future-ready. I recommend it for any technician working on SINOTRUK or WEICHAI platforms—especially the Pro Model for extreme environments."

Commercial Vehicle Maintenance Consultant

Anita Desai - Fleet Maintenance Advisor
"After evaluating injector performance across 12 fleets, I can say this nozzle delivers consistent fuel economy gains of 6–8% when replacing worn OEM units. The stainless steel durability reduces maintenance frequency, and the model-specific design minimizes installation errors. A reliable choice for both workshops and in-house maintenance teams."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Fuel Efficiency" - Daniel Kim (Trucking Contractor)

Posted: 2 days ago

"Switched to these injectors on my client’s HOWO truck, and fuel consumption dropped from 38L to 34L per 100km. The engine idles cleaner, and emissions test passed with flying colors. Worth every penny."

⭐⭐⭐⭐⭐ "Perfect OEM Replacement" - Rajiv Mehta (Mechanic, Mumbai)

Posted: 1 week ago

"Exactly matches the original specs. No coding or tuning needed. Installed in under 20 minutes. Customers keep coming back for more."

⭐⭐⭐⭐☆ "Great for High-Pressure Systems" - Sofia Ivanova (Mining Equipment Tech)

Posted: 3 weeks ago

"Using the Advanced Model on dump trucks. Handles mud, dust, and vibration like a champ. Only suggestion: include a protective cap for storage."

🎯 Reviews by Use Case Category

🚚 Commercial Trucking (41 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Fuel efficiency improvement (95% mentioned)
  • OEM-certified fitment (90% mentioned)
  • Cold-start reliability (88% mentioned)

🏗️ Heavy Machinery & Construction (28 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • High-pressure durability (93% mentioned)
  • Resistance to fuel contaminants (85% mentioned)
  • Reduced emissions (80% mentioned)

🔧 Workshop & Repair Garage Use (20 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Quick identification via model markings (100% mentioned)
  • Reduced comeback rate (94% mentioned)
  • Compatibility with diagnostic tools (87% mentioned)

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