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  • Auto air Compressor for CUMMINS 3991521 3696936
Auto air Compressor for CUMMINS 3991521 3696936

Auto air Compressor for CUMMINS 3991521 3696936

  • >= 20 Pieces
    $100
View product details

Auto air Compressor for CUMMINS 3991521 3696936

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Pressure Air Compression: Designed to deliver reliable compressed air for Cummins engine systems (specifically models 3991521 and 3696936), supporting applications like brake systems, pneumatic tools, and auxiliary equipment.
  • 12V Compatibility: Optimized for 12V electrical systems, ensuring seamless integration into commercial vehicles and industrial machinery powered by Cummins engines.

Key features

  • 1. Material Technology

    • With a corrosion-resistant metal body (steel/aluminum alloy), ensure durability in harsh industrial or automotive environments*.

  • 2. Interactive Design

    • With a compact, modular design featuring a gear assembly and pressure-relief valve (blue cap), easily integrate into existing systems without major modifications*.

  • 3. Performance Parameters

    • With high-pressure hydraulic capabilities and 12V voltage compatibility, deliver consistent performance under heavy loads, outperforming standard automotive compressors by up to 20%* in pressure output.

  • 4. Scenario Solutions

    • Designed for automotive and industrial applications, ensure reliability in demanding environments like vehicle power steering systems or manufacturing equipment.

  • 5. Certification Standards

    • Complies with automotive-grade safety and efficiency standards, ensuring compatibility with critical systems in commercial and industrial settings.

Product details

Auto air Compressor for CUMMINS 3991521 3696936

The Cummins 3991521/3696936 Auto Part Air Compressor is a rugged, 12V industrial-grade component designed for seamless integration into Cummins engine systems. Engineered for durability and precision, this compressor ensures reliable air pressure delivery in automotive and heavy machinery applications.

Technical specifications

FeatureSpecificationApplication Scenario
Voltage Compatibility12V DCStandard automotive electrical systems
Material ConstructionCorrosion-resistant steel alloyHarsh industrial environments
Pressure Rating120 PSI (max)Heavy-duty pneumatic tool operation
Flow Rate1.2 CFMOnboard air brake systems
CertificationISO 9001, IP54 weatherproof ratingOutdoor machinery and vehicle use

Customization guide

Adjustable parameters include pressure release thresholds and mounting configurations to meet specific OEM requirements. For example, customize the discharge port orientation to optimize airflow in compact engine compartments.

Get inspired

With this compressor’s compact design and high-pressure output, you can streamline maintenance operations for Cummins-powered trucks or construction equipment. Its weatherproof build ensures reliability in extreme conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Capacity120 PSI+15% (138 PSI)+30% (156 PSI)*
Duty Cycle50%70%100% continuous
Noise Level75 dB-10% (68 dB)-20% (60 dB)

Supplier's note

  1. Technical Breakthroughs:

    • Pressure Capacity: The Pro Model’s 156 PSI rating exceeds industry standards by 20%, enabling high-demand applications like hydraulic brake systems.
    • Durability: Corrosion-resistant steel construction ensures longevity in corrosive environments.
    • Energy Efficiency: The Advanced Model’s 70% duty cycle reduces downtime by 30% compared to legacy models.

  2. Optimal Version Selection:

    • Base Model: Ideal for light-duty trucks needing basic air supply for brakes or tools.
    • Advanced Model: Suitable for medium-duty fleets requiring extended runtime (e.g., mining vehicles).
    • Pro Model: Best for heavy machinery operators needing peak performance in extreme conditions (e.g., oil rigs).

*Pro Model’s PSI rating validated against SAE J1064 standards.

Frequently asked questions

  • Which Cummins air compressor model (e.g., 3991521 or 3696936) is best suited for heavy-duty trucks?

  • How do I maintain the intake filter of a 12V Cummins air compressor?

  • What materials are used in the Cummins 3991521 air compressor, and why is steel preferred over aluminum?

  • Can the RuiAn ChangSheng Cummins air compressor be customized for specialized hydraulic systems?

  • Is the Cummins 3696936 air compressor compatible with all 12V automotive systems?

  • What certifications does the CUMMINS 3991521 air compressor hold for industrial use?

  • Which Cummins air compressor (3991521 vs. 3696936) is better for frequent pressure fluctuations?

  • Does the RuiAn ChangSheng Cummins air compressor require professional installation?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage CompatibilityAutomotive SystemsIndustry: 12V/24V ▲ Our Base: 12V ▲ Our Advanced: 12V+24V (dual voltage)Advanced works in both 12V and 24V setups; Base meets standard automotive needsBase limited to 12V systems; Advanced requires additional wiring for 24V use
Pressure OutputHeavy-Duty Tools (e.g., air hammers)Industry: 100 PSI ▲ Our Base: 100 PSI ▲ Our Advanced: 120 PSI (ISO 1217)Advanced exceeds industry standard for high-demand tools; Base meets minimum requirementsBase may underperform in extreme applications; Advanced adds cost for extra pressure
Noise LevelWorkshop EnvironmentsIndustry: 70 dBA ▲ Our Base: 68 dBA ▲ Our Advanced: 65 dBA (quieter than lawnmower)Advanced reduces hearing strain; Base is already below OSHA limitsAdvanced may have higher cost; Base requires PPE for prolonged use
CFM (Airflow)Concurrent Tool Use (e.g., spray guns)Industry: 3 CFM ▲ Our Base: 3 CFM ▲ Our Advanced: 4.5 CFM (ISO 1217)Advanced powers multiple tools simultaneously; Base suits single-tool tasksBase limits multitasking; Advanced requires larger installation space
Tank CapacityProlonged Use (e.g., construction sites)Industry: 2 Gallons ▲ Our Base: 1.5 Gallons ▲ Our Advanced: 3 Gallons (ASME)Advanced extends runtime by 50%; Base prioritizes compact designBase needs frequent recharging; Advanced adds weight and bulk
Energy EfficiencyFuel-Efficient Use (e.g., off-road trucks)Industry: 0.5 kWh ▲ Our Base: 0.45 kWh ▲ Our Advanced: 0.35 kWh (Energy Star)Advanced cuts energy costs by 30%; Base reduces fuel consumption moderatelyBase offers limited savings; Advanced requires premium maintenance

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