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  • Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632
  • Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632
  • Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632
  • Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632
  • Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632
  • Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632
Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632
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Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632

  • 1 - 4 Pieces
    $50
  • 5 - 9 Pieces
    $48
  • >= 10 Pieces
    $45
View product details

Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Fuel Delivery & Pressure Regulation: Designed to efficiently transfer fuel from the tank to the engine, ensuring optimal flow rate and pressure for diesel engines like ISL, QSL, ISC, and QSC models.
  • Durability & Reliability: Built with a brass body for corrosion resistance and high-pressure tolerance, paired with waterproof plastic connectors for stable electrical performance under harsh conditions.

Key features

  • 1. Corrosion-Resistant Brass Body

    • With a corrosion-resistant brass body, ensure long-lasting durability in harsh fuel system environments*. The brass material withstands high pressures, temperatures, and corrosive fuels, outperforming pumps with less robust materials.

  • 2. Quick-Connect Plastic Connectors

    • With easy-to-install plastic connectors, achieve seamless installation and maintenance in tight engine compartments*. The waterproof design simplifies repairs compared to traditional pumps with complex wiring setups.

  • 3. High-Pressure Fuel Delivery

    • Deliver consistent high-pressure fuel flow to optimize diesel engine performance*, ensuring reliable operation even under heavy loads. Outperforms standard pumps in maintaining stable pressure for engines like ISL/QSL/ISC/QSC.

  • 4. Universal Customization Solutions

    • Customizable mounting flanges and connectors adapt to various diesel engine models, ensuring universal compatibility*. This flexibility reduces downtime compared to non-adaptable pumps.

  • 5. Safety-Engineered Design

    • Engineered with insulated wires and secure connectors, enhance safety during operation* while meeting automotive safety standards. Reduces risks of electrical shorts or fuel leaks.

Product details

Fuel Transfer Pump 4937766 with ISL QSL ISC QSC Engines 4937766 5260634 3968189 3968190 4944735 5260632

The Fuel Transfer Pump 4937766 is a robust diesel engine component designed for reliable fuel delivery in ISL, QSL, ISC, and QSC engine systems. Built with corrosion-resistant brass and waterproof plastic connectors, it ensures durability in harsh environments while maintaining compact, easy-to-install design. Backed by a 6-month warranty, this pump guarantees seamless integration with specified engine models.

Technical specifications

FeatureSpecificationBenefit
MaterialBrass body, waterproof plastic connectorsCorrosion resistance and reliable electrical connections under extreme conditions
DesignCylindrical shape with flange mounting and bundled insulated wiresCompact fit for tight engine spaces and enhanced safety during installation
CompatibilityEngine models: ISL, QSL, ISC, QSC (part numbers: 4937766, 5260634, etc.)Direct fitment for specified diesel engine systems
Warranty6 monthsComprehensive coverage for defects and performance issues
Pressure RatingUp to 600 kPaEnsures efficient fuel delivery for high-performance engines

Customization guide

Adjustable mounting flange dimensions and connector types (e.g., Deutsch, AMP) allow customization to fit non-standard engine configurations or electrical systems.

Get inspired

Optimize fuel system performance with this durable pump. Its corrosion-resistant brass body and robust design make it ideal for heavy-duty diesel engines, while customizable connectors ensure seamless integration into any workshop or vehicle setup.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Flow Rate150 LPH+15% (172.5 LPH)+30% (195 LPH)*
Pressure Rating600 kPa700 kPa800 kPa
Corrosion ResistanceStandard (ASTM B117)Enhanced (2x ASTM)Premium (3x ASTM)*
Warranty6 months12 months24 months

Supplier's note

  1. Technical Breakthroughs:

    • Brass Construction: Triple-layer corrosion protection extends lifespan in humid or chemical-exposed environments.
    • Customizable Connectors: Interchangeable Deutsch/AMP connectors reduce downtime during retrofitting.
    • Compact Design: Flange-mounted geometry saves 20% space vs. traditional pumps, ideal for tight engine bays.

  2. Version Selection Guide:

    • Base Model: Suitable for standard diesel engines (e.g., ISL/QSL) requiring baseline performance.
    • Advanced Model: Preferred for high-output engines (e.g., QSC) needing +15% flow and 17% higher pressure.
    • Pro Model: Best for extreme-duty applications (e.g., off-road vehicles) with triple ASTM corrosion resistance and double warranty coverage.

Example Use Case: The Pro Model’s 800 kPa pressure rating ensures stable fuel flow in high-altitude conditions, paired with its premium brass alloy to withstand aggressive fuels.

Frequently asked questions

  • Which fuel transfer pump model suits ISL/QSL/ISC/QSC engines specifically?

  • How do I maintain the brass body of the fuel pump for longevity?

  • Why is brass preferred over stainless steel for the fuel pump body?

  • Can the mounting flange be customized for different vehicle models?

  • Is this fuel pump certified for diesel engine applications?

  • What does the 6-month warranty cover for the Fuel Transfer Pump 4937766?

  • Which vehicles typically use this fuel transfer pump?

  • How does the design prevent electrical shorts or fuel leaks?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh industrial environmentsBrass body (ASTM B280 compliant) vs. plastic (Industry Standard)▲ Our Base: 30% higher corrosion resistance than plastic (ISO 9227)Heavier than plastic (disadvantage for lightweight applications)
Noise LevelPassenger vehicles, office equipment43 dBA (Our Base) / 40 dBA (Our Advanced) vs. 50 dBA (Industry Standard)▲▲ Our Advanced: 20% quieter than industry standard (ISO 3744)Advanced model requires premium insulation (higher cost)
Corrosion ResistanceMarine or chemical plantsWithstands 50+ chemical exposures (Our Base) / 70+ (Our Advanced) (ASTM D543)▲▲ Our Advanced: 35% longer lifespan in corrosive environmentsLimited to specific chemical types (consult datasheet for compatibility)
Flow RateHeavy-duty trucks, industrial machinery250 LPH (Our Base) / 300 LPH (Our Advanced) vs. 200 LPH (Industry Standard)▲▲ Our Advanced: 50% higher flow capacity (ISO 1217)Higher power consumption for advanced models
DurabilityContinuous 24/7 operations1,500 operational hours (Our Base) / 2,000 hours (Our Advanced) (ISO 2372)▲▲ Our Advanced: 33% fewer maintenance cyclesRequires specialized lubricants for optimal performance
Warranty PeriodFleet management, long-term projects6 months (Our Base) / 12 months (Our Advanced) vs. 3 months (Industry Standard)▲▲ Our Advanced: Double industry-standard coverageExtended warranty applies only to registered commercial users

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