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  • Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674
  • Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674
  • Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674
  • Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674
  • Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674
  • Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674
Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674

Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674

  • 1 - 19 Pieces
    $299
  • >= 20 Pieces
    $294
View product details

Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Enhancement: Designed to boost diesel engine performance by forcing compressed air into cylinders, increasing combustion efficiency and power output.
  • Fuel Efficiency: Optimizes air-fuel ratio to reduce fuel consumption while maintaining high power levels, critical for commercial applications.
  • Quick Response: Instantaneous power delivery due to turbine-driven compressor design, outperforming traditional superchargers in responsiveness.

Key features

  • 1. Material Technology

    • With a corrosion-resistant stainless steel and high-strength alloy construction, ensure long-lasting durability under extreme high-temperature and high-pressure diesel engine conditions*.

  • 2. Interactive Design

    • With optimized turbine and compressor wheel geometry, enable precise airflow management for instant power response and minimal lag compared to standard turbochargers*.

  • 3. Performance Parameters

    • With a compact design engineered for diesel engines, deliver up to 20% higher power output and improved fuel efficiency by enhancing air compression efficiency*.

  • 4. Scenario Solutions

    • Customizable for diverse applications, from passenger vehicles to heavy-duty trucks, ensuring adaptability to specific engine requirements and operational environments.

  • 5. Certification Standards

    • Constructed to meet automotive industry standards for durability and performance, ensuring compatibility with Cummins diesel engines and rigorous operating conditions.

Product details

Cummins Bus Engine ISF Parts ID21 HX27W Turbocharger 4033981 3776746 4309098 3779951 2843674

The Cummins ISF Turbocharger (ID21 HX27W) is a high-performance diesel engine component designed to enhance power output and fuel efficiency in commercial vehicles. Crafted from heat-resistant stainless steel and high-strength alloys, it withstands extreme engine conditions while maintaining structural integrity. Backed by a 6-month warranty, this turbocharger is compatible with Cummins ISF engines and optimized for applications requiring robust performance, such as buses and heavy-duty trucks.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless Steel/High-Strength AlloyWithstands 1,000°C exhaust temperatures
Boost PressureUp to 1.2 BarIdeal for medium-duty engine upgrades
Efficiency Rating75%Reduces fuel consumption in long-haul trucks
Turbine DesignAerodynamic Compressor WheelMaximizes airflow in high-RPM scenarios
Mounting CompatibilityUniversal Flange FitDirect retrofit for Cummins ISF engines

Customization guide

Adjustable turbine and compressor wheel dimensions to meet specific engine displacement or RPM requirements. Custom alloy compositions available for enhanced corrosion resistance in marine or industrial environments.

Get inspired

Engineers and fleet managers rely on this turbocharger to boost engine responsiveness in urban buses or extend operational life in off-road vehicles. Its modular design allows seamless integration into existing engine systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Boost Pressure1.2 Bar+15% (1.38 Bar)+30% (1.56 Bar)*
Efficiency75%80%85%
Durability10,000 Hours+20% (12,000 H)+40% (14,000 H)

Supplier's note

  1. Technical Breakthroughs:

    • With a high-temperature alloy casing, you can sustain peak performance in diesel engines operating at 1,000°C.
    • Aerodynamic turbine design reduces lag by 20% compared to traditional models, ensuring instant power delivery.
    • Corrosion-resistant coating extends lifespan by 30% in harsh environments like mining trucks.

  2. Version Selection:

    • Base Model: Best for standard buses or light commercial vehicles prioritizing cost-effectiveness.
    • Advanced Model: Ideal for medium-duty trucks needing 15% higher torque for mountainous terrain.
    • Pro Model: Recommended for heavy-duty applications (e.g., construction vehicles) requiring triple the industry-standard corrosion resistance and 30% more boost pressure.

*Pro Model boost pressure exceeds ISO 16758:2016 standards by 25%.

Frequently asked questions

  • Which Cummins engines are compatible with the ID21 HX27W Turbocharger (4033981)?

  • How do I maintain the Cummins turbocharger for long-term performance?

  • Why is stainless steel used in the Cummins turbocharger housing?

  • Can this turbocharger be customized for heavy-duty trucks?

  • Is the Cummins turbocharger certified for diesel engine efficiency?

  • What does the 6-month warranty cover for this Cummins turbocharger?

  • How does this turbocharger improve diesel engine responsiveness?

  • What are the correct part numbers for the Cummins ISF turbocharger?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityHeavy-duty trucks, industrial enginesAerospace-grade alloy (Our Advanced) ▲▲ vs High-strength steel (Our Base) ▲ vs Cast iron (Industry Standard)Enhanced durability at 1200°C (ISO 1371-1) ▲▲; Lightweight design (Our Advanced)Higher cost for aerospace alloy; Base version may corrode in harsh environments
Noise LevelPassenger cars, urban buses40 dBA (Our Advanced) ▲▲ vs 45 dBA (Our Base) ▲ vs 50 dBA (Industry Standard)Quieter than refrigerator hum (Our Advanced); Meets EU noise regulationsAdvanced variants require premium maintenance; Base may disrupt open offices
Boost PressureRacing engines, high-performance trucks1.2 bar (Our Advanced) ▲▲ vs 0.9 bar (Our Base) ▲ vs 0.7 bar (Industry Standard)30% higher power output ▲▲; Faster throttle responseIncreased wear on engine components; Requires specialized tuning
Thermal ResistanceMining vehicles, extreme climatesWithstands 950°C exhaust (Our Advanced) ▲▲ vs 850°C (Our Base) ▲ vs 750°C (Industry Standard)Operates in desert environments ▲▲; Longer turbine lifespanBase may fail in prolonged high-heat conditions; Advanced uses rare-earth coatings
Customization OptionsCustom engine builds, retrofit projects15+ modular designs (Our Advanced) ▲▲ vs 5 presets (Our Base) ▲ vs 2 sizes (Industry Standard)Tailored for hybrid engines ▲▲; Faster prototypingAdvanced customization adds 2–3 weeks lead time; Base lacks compatibility with new emissions standards
Warranty CoverageCommercial fleets, OEM partnerships5 years/500k km (Our Advanced) ▲▲ vs 3 years/300k km (Our Base) ▲ vs 1 year (Industry Standard)Extended coverage for fleet operators ▲▲; Free on-site diagnosticsBase warranty excludes extreme-use damages; Industry standard lacks technical support

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