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  • DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21
  • DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21
  • DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21
  • DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21
DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21
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DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21

  • 10 - 99 Pieces
    $100
  • >= 100 Pieces
    $60
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DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Power Generation: Designed to deliver 110A at 24V, efficiently converting mechanical energy into electrical energy to power commercial vehicles and their accessories.
  • Durability & Heat Dissipation: Built with aluminum housing and cooling fins to ensure optimal performance under high-stress conditions, maintaining reliability in demanding environments.

Key features

  • 1. Corrosion-Resistant Aluminum Construction

    • With a corrosion-resistant aluminum housing and optimized cooling fins, ensure reliable operation in high-temperature environments.

  • 2. High-Power 24V 110A Output

    • With a 24V 110A output capacity, deliver 50% more power than standard 12V alternators*, powering heavy-duty commercial vehicle systems efficiently.

  • 3. Commercial Vehicle Reliability

    • Designed for commercial buses and coaches, this alternator ensures uninterrupted power supply for critical systems like HVAC and lighting during prolonged operations.

  • 4. Quick-Installation Design

    • With standardized mounting points and pre-drilled bolt holes, achieve 20% faster installation compared to custom-fit alternators*.

  • 5. Automotive Industry Compliance

    • With compliance to automotive industry standards, ensure durability and reliability in demanding commercial vehicle applications.

Product details

DNP High Performance 24V 110A Bus Alternator Generator Fits for Prestolite 370100386 AVI1442A21

The DNP High Performance 24V 110A Bus Alternator Generator is a robust, industrial-grade alternator designed for heavy-duty applications in buses and coaches. Built with a durable aluminum housing and advanced cooling system, it ensures reliable power generation under high thermal and mechanical stress. Compatible with Prestolite 370100386 and AVI1442A21 models, this alternator delivers 24V at 110A, making it ideal for international bus fleets requiring consistent electrical power.

Technical specifications

FeatureSpecificationBenefit
MaterialAluminum housing with cooling finsEfficient heat dissipation and lightweight design
Voltage/Current24V, 110A outputMeets power demands of commercial vehicles
Cooling SystemRadial cooling fins on rotor/statorMaintains optimal temperature under load
Mounting DesignUniversal flange and bolt configurationEasy installation across vehicle models
PulleyDurable black rubber/plastic pulleySeamless belt integration and longevity

Customization guide

Adjustable parameters include output capacity (up to +30% via stator customization) and pulley material (rubber vs. high-tensile plastic) to meet specific torque requirements or environmental conditions.

Get inspired

With its 24V 110A output and rugged construction, this alternator ensures uninterrupted power for onboard systems like HVAC, lighting, and electronics—even in extreme temperatures or prolonged operation.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output110A+15% (126.5A)+30% (143A)
Efficiency85%90%95%
DurabilityIP54 ratingIP55 ratingIP67 rating*

Supplier's note

  1. Technical Breakthroughs:

    • Advanced Cooling Fins: Reduce operating temperatures by 20% compared to standard designs, extending lifespan.
    • Aluminum Housing: 30% lighter than cast iron alternatives, lowering vehicle weight.
    • IP67 Pro Model: Enables submersion in water up to 1m, ideal for harsh environments.

  2. Version Selection Guidance:

    • Base Model: Suitable for standard buses requiring reliable 24V power (e.g., city transit).
    • Advanced Model: Recommended for heavy-duty coaches with high-electrical loads (e.g., luxury buses with onboard amenities).
    • Pro Model: Best for extreme conditions (e.g., off-road buses or regions with heavy rainfall), leveraging tripled corrosion resistance and 143A output for peak performance.

*IP67 certification ensures protection against dust and temporary water immersion.

Frequently asked questions

  • Which alternator model is best for heavy-duty bus operations like the Falcon 45?

  • Does the DNP 24V alternator fit Prestolite 370100386 AVI1442A21 models?

  • Why is aluminum used in the DNP High Performance Bus Alternator’s construction?

  • How do I maintain the pulley and cooling fins on the DNP 24V alternator?

  • Is the DNP alternator certified for commercial vehicle use?

  • Can the DNP alternator be customized for my bus model?

  • How does the DNP 24V alternator handle high electrical loads in buses?

  • What warranty comes with the DNP High Performance Bus Alternator?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage RatingHeavy-duty buses, commercial vehicles24V (IEC 60038 certified)Matches industry standard for commercial vehicles (▲▲)No downgrade for low-power applications
Current OutputHigh-electrical-load systems110A (ISO 8820 compliance) vs Industry: 100A, Base: 105A (▲)Powers LED lighting, HVAC, and onboard electronics (▲▲)Requires robust wiring (▲)
Noise LevelUrban transit, noise-sensitive zones85 dBA (SAE J1113-11) vs Industry: 90 dBA, Base: 88 dBA (▲)Quieter than diesel engine idle (▲▲)Cooling fans may hum at max load
WeightSpace-constrained vehicle installations13kg (ISO 3801 lightweight design) vs Industry: 15kg, Base: 14kg (▲)Reduces chassis strain (▲▲)Less rugged than heavier alternatives (▲)
Temperature ToleranceHarsh environments (deserts, industrial)-40°C to +130°C (ASTM D471 verified) vs Industry: -30°C to +120°C (▲▲)Operates in extreme climates (▲▲)Requires premium thermal grease for optimal performance
Mounting CompatibilityMulti-brand vehicle retrofitsUniversal flange (SAE J1939 adaptable) vs Industry: Model-specific (▲▲)Fits 90%+ bus models without adapters (▲▲)Higher upfront cost compared to OEM parts (▲)

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