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  • Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083
  • Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083
  • Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083
  • Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083
  • Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083
  • Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083
Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083
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Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083

  • >= 1 Sets
    $139

Customization:

Graphic customization（Min.Order: 50000 pieces）
Customized packaging（Min.Order: 50000 pieces）
Customized logo（Min.Order: 50000 pieces）
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Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Generation: Designed to convert mechanical energy into 28V electrical power (70A output), ensuring reliable charging of the vehicle's battery and powering diesel engine systems in Cummins 6BT applications.
  • Heat Dissipation: Equipped with robust aluminum housing and cooling fins to maintain efficiency under high-load conditions, extending operational longevity.

Key features

  • 1. Corrosion-Resistant Aluminum Housing & Advanced Cooling

    • With corrosion-resistant aluminum housing and optimized cooling fins, maintain peak performance in harsh engine environments while reducing heat buildup.

  • 2. Multi-Point Mounting System for Secure Installation

    • With a robust multi-point mounting design, ensure stable positioning and easy installation across Cummins 6BT platforms.

  • 3. 28V 70A Output for Heavy-Duty Diesel Engines

    • With 28V 70A output capacity, deliver reliable power to support high-demand diesel engine systems and electrical loads.

  • 4. Direct OEM Fitment for Cummins 6BT Compatibility

    • With direct OEM fitment for Cummins 6BT diesel engines, ensure seamless integration and eliminate compatibility issues with aftermarket alternatives.

  • 5. OEM-Certified Reliability & Compliance

    • With OEM certification, meet Cummins' rigorous quality and durability standards for automotive-grade performance.

Product details

Orignal Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator 5288083 C5288083

The Original Cummins 6BT Engine Part 28V 70A JFZ2703 Alternator (5288083/C5288083) is a high-performance alternator designed for Cummins diesel engines. Built with robust cast aluminum housing and advanced cooling systems, it ensures reliable power generation and thermal management. Backed by a 6-month warranty, this alternator is ideal for medium-to-heavy-duty commercial vehicles requiring durable electrical support.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCast aluminum housing, stator/rotorCorrosion-resistant and heat-sensitive environments
Voltage28VStandard automotive electrical systems
Current Output70APowering electrical systems and battery charging in medium-duty trucks
Cooling SystemIntegrated cooling finsHigh-temperature engine compartments
Mounting CompatibilityUniversal mounting pointsInstallation across Cummins 6BT engine variants
Warranty6 monthsCommercial vehicle maintenance programs

Customization guide

Adjustable parameters include:

  • Mounting configurations to fit specific Cummins engine models.
  • Material upgrades (e.g., corrosion-resistant alloys) for extreme environments.
  • Output adjustments (up to +20%) for higher power demands.

Get inspired

With its robust aluminum construction and advanced cooling, this alternator ensures uninterrupted power delivery in diesel engines. Whether you’re maintaining a delivery fleet or upgrading a construction vehicle, its reliability and compatibility make it a trusted choice for heavy-duty applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Output Current70A (Standard)80A (+14%)90A (+28%)
Cooling EfficiencyBasic finsEnhanced fin designPremium airflow tech
Durability6-month warranty12-month warranty24-month warranty

Supplier's note

  1. Technical Breakthroughs:

    • Aluminum Housing: Reduces weight by 20% compared to steel, improving fuel efficiency.
    • Integrated Cooling Fins: 30% better heat dissipation than standard alternators.
    • Universal Mounting: Compatible with 90% of Cummins 6BT variants, reducing downtime.

  2. Version Selection Guide:

    • Base Model: Ideal for standard commercial trucks needing reliable 70A output.
    • Advanced Model: Perfect for heavy-duty applications (e.g., mining trucks) requiring 80A and extended warranties.
    • Pro Model: Designed for extreme environments (e.g., off-road vehicles) with triple the industry-standard durability.

With the Pro’s 90A output and premium cooling, you can safely power advanced electrical systems in harsh conditions. Pair its corrosion-resistant material with the 24-month warranty for long-term reliability.

Frequently asked questions

  • Which Cummins 6BT alternator suits small diesel engines?

  • How to maintain the cooling fins on a Cummins JFZ2703 Alternator?

  • Aluminum vs Steel Housing: Which is better for Cummins alternators?

  • Can the Cummins 5288083 Alternator be customized for other vehicles?

  • Is the Cummins JFZ2703 Alternator SAE-certified?

  • Does the 70A rating make the C5288083 Alternator suitable for heavy-duty trucks?

  • What does the 6-month warranty cover for the Cummins 5288083 Alternator?

  • Is the Original Cummins 6BT Alternator easy to install without modifications?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage Output CapacityHeavy machinery with high power needsIndustry Standard: 24V ▲ Our Base: 28V ▲▲ Our Advanced: 32V (SAE J1171 compliant)Supports complex electrical systems (e.g., LED lighting, advanced sensors)Requires compatible vehicle systems (may need voltage regulators)
Current Output (Amps)Diesel engines with power-hungry accessoriesIndustry Standard: 50A ▲ Our Base: 70A ▲▲ Our Advanced: 90A (ISO 6433 verified)Powers heavy-duty accessories (e.g., air compressors, HVAC systems)Higher tiers may require thicker wiring (cost increase: ~20%)
Thermal ManagementHigh-temperature environmentsIndustry Standard: Basic fins ▲ Our Base: 50+ cooling fins (ISO 12100) ▲▲ Our Advanced: Active liquid coolingCools 30% faster than standard (prevents overheating in 50°C+ conditions)Active cooling adds ~15% weight and maintenance complexity
Material QualityCorrosive or harsh environmentsIndustry Standard: Steel ▲ Our Base: Cast aluminum (ASTM B221) ▲▲ Our Advanced: Aluminum + epoxy coating40% lighter than steel (reduces engine strain) + corrosion-resistantAdvanced coating increases cost by 25%
Warranty PeriodLong-term operational needsIndustry Standard: 3 months ▲ Our Base: 6 months ▲▲ Our Advanced: 12 months (ISO 9001 compliant)Extended coverage for commercial fleets (e.g., trucks, buses)Advanced tiers require proof of maintenance for warranty claims
Compatibility/SpecificityOEM replacement for Cummins 6BTIndustry Standard: Generic ▲ Our Base: Cummins 6BT-specific (OE part 5288083) ▲▲ Our Advanced: Custom-fit for 6BT variantsZero installation adjustments (direct bolt-on)Limited to Cummins 6BT engines (not universal)

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