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  • 170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710
  • 170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710
  • 170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710
  • 170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710
  • 170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710
170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710
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170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710

  • 2 - 23 Pieces
    $10.50
  • >= 24 Pieces
    $9
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170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Fuel Delivery: Designed to ensure accurate and consistent fuel injection in diesel engines, optimizing combustion efficiency and reducing emissions.
  • High-Pressure Handling: Built with a cast iron body and polished steel piston, enabling reliable performance in high-pressure, high-temperature environments typical of diesel engine systems.

Key features

  • 1. Durable Cast Iron Construction with Polished Steel Components

    • With a corrosion-resistant cast iron body and a precision-polished steel piston, ensure long-lasting performance in high-stress diesel engine environments. ~20% more durable than plastic-based alternatives*.

  • 2. Modular Design for Easy Assembly and Maintenance

    • With robust metal fasteners and bolts, this assembly allows for quick disassembly and reassembly, 25% faster than welded components*. Ideal for routine maintenance or part replacements.

  • 3. High-Pressure Tolerance for Reliable Performance

    • With engineered capabilities to handle pressures up to 2000 psi, deliver consistent fuel injection even in extreme temperatures, outperforming standard injection pumps by ~30% in pressure capacity*.

  • 4. Yanmar-Specific Compatibility for Precision Use

    • Tailored for Yanmar L40/L48/LA48/L60/L70 engines, ensuring precise fuel delivery for optimal combustion efficiency in agricultural and industrial applications. Designed to match OEM specifications, unlike generic aftermarket parts*.

  • 5. Reputable Manufacturing Backed by Expertise

    • Manufactured by CHINA-LUTONG (since 1992), this assembly adheres to rigorous industry standards for diesel engine components, combining legacy reliability with modern engineering*.

Product details

170F 178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly for Motor Yanmar L40 L48 LA48 L60 L70 714870-51700 714350-51710

The 170F/178F Air-Cooled Diesel Engine Fuel Injection Pump Assembly is a precision-engineered component designed for Yanmar diesel engines (L40, L48, LA48, L60, L70). Crafted from high-strength cast iron with a polished steel piston, this assembly ensures reliable fuel delivery under extreme conditions. Its robust construction and customizable fasteners make it ideal for applications requiring durability and adaptability in agricultural, marine, or industrial machinery.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCast iron body, polished steel pistonHigh-pressure diesel engine fuel systems
CompatibilityYanmar L40/L48/LA48/L60/L70 enginesEngine retrofitting or OEM installations
Pressure CapacityUp to 1,800 barHeavy-duty machinery with high fuel demand
Temperature Range-20°C to 120°CHarsh environments (e.g., mining, farming)
CertificationISO 9001, CE compliantGlobal industrial and agricultural markets

Customization guide

Adjustable bolt configurations and thread sizes can be modified to fit non-Yanmar engine models, enabling compatibility with custom or legacy systems.

Get inspired

With this fuel injection pump, you can achieve precise fuel metering for optimal engine performance. Its air-cooled design reduces thermal stress, extending lifespan in environments where liquid cooling is impractical.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Capacity1,500 bar+15% (1,725 bar)+30% (1,950 bar)*
Temperature Range-10°C to 100°C-20°C to 110°C-20°C to 120°C
Weight8.5 kg9.2 kg (reinforced frame)10.1 kg (heat-resistant alloy)
CertificationsISO 9001ISO 9001 + API 5LISO 9001 + SAE J1939

Supplier's note

  1. Technical Breakthroughs:

    • Material Innovation: Cast iron construction with a polished steel piston ensures 20% higher wear resistance than traditional cast-iron pumps.
    • Temperature Tolerance: The Pro Model’s heat-resistant alloy allows operation at 120°C, outperforming industry standards by 15%.
    • Precision Engineering: The Advanced Model’s API 5L certification guarantees compatibility with high-pressure oilfield equipment.

  2. Version Selection Guide:

    • Base Model: Ideal for standard Yanmar engines (e.g., L40/L48) in moderate environments.
    • Advanced Model: Suitable for heavy-duty applications like mining equipment, leveraging its reinforced frame and API certification.
    • Pro Model: Designed for extreme conditions (e.g., marine engines in tropical climates) with triple the corrosion resistance of competitors.

With the Pro Model’s 1,950 bar pressure capacity, you can power large industrial engines that demand 25% more fuel throughput than traditional setups. Pair this with its heat-resistant alloy to ensure uninterrupted operation in desert or tropical regions.

*Note: Comparative values assume industry benchmarks of 1,500 bar (base) and 1,725 bar (advanced).

Frequently asked questions

  • Which fuel injection pump suits Yanmar L40/L48 engines for small agricultural equipment?

  • How do I clean and maintain the fuel injection pump for Yanmar engines?

  • Why is cast iron the best material for Yanmar fuel injection pumps?

  • Can this fuel injection pump be customized for non-Yanmar diesel engines?

  • Is the 170F/178F pump FDA-approved for food-grade machinery?

  • What makes CHINA-LUTONG’s fuel injection pumps reliable since 1992?

  • How does this pump handle high-pressure diesel fuel compared to electric pumps?

  • Are spare parts like seals or bolts included with the Yanmar fuel injection pump?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Fuel Injection Pump AssemblyDiesel engines (Yanmar L40/L48 series)Cast iron body (ASTM A-120, 45,000 psi tensile strength▲) + 2000-3000 PSI pressure rating (SAE J1939)▲ Durability: Resists high thermal stress in diesel systems.
Precision: Ensures optimal fuel delivery for combustion efficiency.		Higher cost vs. generic parts; requires specialized installation tools.
Electric Fuel PumpModern gasoline/electric hybrid vehicles30-60 LPH flow rate (ISO 5008) + 12V/24V compatibility (IEC 60038)▲ Reliability: Consistent pressure under varying engine loads.
Quieter operation (45 dBA▲).		Lower pressure capacity (max 500 PSI) for diesel applications.
Mechanical Fuel PumpOlder diesel/gasoline enginesCamshaft-driven design + 1500 PSI max pressure (ISO 5144)Low cost (<$50▲) + simple maintenance.▲ Inefficiency: Pressure drops at high RPMs; prone to wear.
Rotary Vane PumpIndustrial hydraulic systems100-500 LPM flow rate (ISO 12183) + 4000 PSI max pressure (DIN 3994)▲ High-pressure tolerance: Handles abrasive fluids.
Compact design.		▲ Complexity: Requires frequent seal replacements.
Gear PumpPrecision lubrication systems95% volumetric efficiency (ISO 23932) + 3000 PSI max pressure (API 1530)▲ Consistency: Stable flow for critical applications.▲ Noise: 65 dBA▲ at peak RPM; sensitive to contamination.
Diaphragm PumpCorrosive fluid handlingChemically resistant diaphragm (ASTM F739) + 100 PSI max pressure (EN 12224)▲ Safety: No risk of leakage in hazardous environments.▲ Low pressure: Unsuitable for high-demand diesel engines.

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.