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  • Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892
  • Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892
  • Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892
  • Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892
  • Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892
  • Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892
Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892

Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892

  • 1 - 9 Sets
    $1,599
  • >= 10 Sets
    $599
View product details

Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Engine Support: Designed to withstand extreme temperatures and pressures in diesel engines, ensuring optimal combustion efficiency and heat dissipation.
  • Modular Design: Features pre-drilled valve seats, coolant passages, and gasket mounting surfaces for seamless integration with Cummins ISBE/ISDE engine blocks.

Key features

  • 1. Material Technology: Corrosion-Resistant Construction

    • With corrosion-resistant cast iron/aluminum alloy material, you can ensure long-lasting durability in high-temperature diesel engine environments*. This robust design outperforms generic cast iron components in heat resistance by up to 15%*, maintaining structural integrity even under extreme operating conditions.

  • 2. Performance Parameters: Optimized Port Design

    • With precision-engineered intake/exhaust ports, you can achieve enhanced airflow and combustion efficiency for superior power output*. The evenly spaced port configuration delivers 10% better airflow* compared to standard cylinder heads, maximizing fuel efficiency and engine performance.

  • 3. Interactive Design: Modular Customization

    • With pre-drilled valve locations and modular mounting holes, you can simplify installation and maintenance for diverse engine configurations*. This design reduces downtime by 20%* compared to non-modular alternatives, enabling easy component replacement or upgrades.

  • 4. Scenario Solutions: Commercial-Grade Reliability

    • Designed specifically for Cummins ISBE/ISDE diesel engines, you can ensure seamless integration and reliability in heavy-duty commercial or industrial applications*. The high-pressure tolerance and reinforced valve seats maintain peak performance in demanding scenarios, outperforming generic aftermarket parts by 25%* in durability testing.

  • 5. Certification Standards: OEM-Compliant Precision

    • Manufactured to Cummins OEM specifications, you can guarantee precision fitment and compliance with industry standards*. This ensures compatibility with multiple models (e.g., part numbers 3977221, 5282703) and outperforms non-OEM alternatives in sealing efficiency by 18%*, thanks to integrated gasket surfaces and coolant passages.

Product details

Cummins ISBE ISDE Engine Cylinder Head 3977225 3977222 3977221 4936081 5282703 5364892

The Cummins ISBE ISDE Engine Cylinder Head (Part Numbers: 3977225, 3977222, 3977221, 4936081, 5282703, 5364892) is a robust diesel engine component designed for high-performance applications. Crafted from heat-resistant cast iron or aluminum, it features optimized intake/exhaust ports, modular valve seats, and integrated coolant passages for efficient thermal management. Compatible with Cummins ISBE/ISDE engine models, this cylinder head ensures seamless integration and longevity in demanding environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCast iron (standard) / Aluminum alloy (optional)Heavy-duty trucks, industrial engines
DesignMulti-cylinder port configuration (V6/V8 compatible), pre-drilled valve seatsCustom engine builds, aftermarket replacements
Cooling SystemIntegrated coolant passages with corrosion-resistant coatingHigh-temperature engine operations
DurabilityHeat resistance up to 550°C, pressure tolerance ≥200 barMining, construction, marine engines
CertificationISO 9001, API complianceGlobal OEM and aftermarket supply chains

Customization guide

Adjustable valve seat positions and port dimensions to meet specific airflow requirements. Optional material upgrades (e.g., aluminum for weight reduction) and custom gasket surfaces available for tailored engine compatibility.

Get inspired

With its modular design and thermal efficiency, this cylinder head is ideal for upgrading legacy engines or building custom power systems. Whether enhancing a diesel generator’s output or optimizing fuel efficiency in commercial vehicles, this component delivers unmatched reliability.

Choose your model

ParameterBase Model (Cast Iron)Advanced Model (Aluminum)Pro Model (Heat-Enhanced)
MaterialCast IronAluminum AlloyReinforced Aluminum
Weight25 kg-30% (17.5 kg)-25% (18.75 kg)
Max Heat Resistance500°C520°C+10% (550°C)*
Pressure Tolerance180 bar190 bar+10% (200 bar)
Warranty6 months12 months24 months

Supplier's note

  1. Three Breakthroughs:

    • Heat-Enhanced Material: The Pro Model’s 550°C resistance exceeds industry standards by 10%, enabling use in extreme environments like mining trucks.
    • Lightweight Design: Aluminum alloy reduces weight by 30%, improving fuel efficiency in commercial vehicles.
    • Modular Valve System: Adjustable valve seats allow customization for engines with varying compression ratios.

  2. Optimal Selection Guide:

    • Base Model: Ideal for standard diesel applications (e.g., agricultural machinery) prioritizing cost-effectiveness.
    • Advanced Model: Best for weight-sensitive uses (e.g., delivery trucks) needing a 17.5 kg reduction without compromising durability.
    • Pro Model: Suited for high-stress scenarios (e.g., off-road vehicles) requiring 200 bar pressure tolerance and extended 24-month warranty coverage.

*Pro Model’s heat resistance surpasses the industry benchmark of 500°C.

Frequently asked questions

  • Which Cummins diesel engine models is the 3977221 cylinder head compatible with?

  • How do I maintain the intake/exhaust ports of the Cummins cylinder head?

  • What materials are used in the Cummins 3977225 cylinder head, and why?

  • Can the Cummins cylinder head be customized for non-standard engine setups?

  • Is the Cummins 5282703 cylinder head certified for high-temperature diesel applications?

  • What’s the purpose of the serial number 3977221 03.07 on the cylinder head?

  • Does the Cummins 5364892 cylinder head support easy coolant passage maintenance?

  • How does the Cummins cylinder head’s design improve engine performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialHeavy-duty trucks, industrial enginesCast Iron (EN 1563) ▲
Aluminum Alloy (ASTM B221) ▲▲
(for Advanced)		High durability (Cast Iron)
Lightweight (Aluminum) ▲▲
Heat resistance up to 550°C (Cast Iron) ▲▲▲
(per ASTM E119)		Higher weight (Cast Iron) ▲
Poorer heat resistance (Aluminum) ▲▲▲
Costlier (Aluminum) ▲▲▲▲
Valve ConfigurationHigh-performance engines2-valve/cylinder (SAE J120)
4-valve/cylinder (SAE J120) ▲▲
(for Advanced)		Improved airflow ▲▲
Enhanced combustion efficiency ▲▲▲
Reduced emissions ▲▲▲▲		Higher maintenance complexity ▲▲▲
Costly manufacturing ▲▲▲▲
Cooling SystemHigh-temperature environmentsStandard coolant passages ▲
Optimized flow design (ISO 5208) ▲▲
(for Advanced)		20% faster heat dissipation ▲▲▲
Lower thermal stress ▲▲▲▲		Requires precise installation ▲▲▲
Additional cost ▲▲▲▲
WeightFuel-efficient vehicles12.5 kg (ISO 3833)
9.8 kg (ISO 3833) ▲▲
(for Advanced)		Weight reduction ▲▲▲
Improved fuel efficiency ▲▲▲▲		Structural durability trade-off ▲▲▲
Limited load capacity ▲▲▲▲
WarrantyCommercial fleets, long-term use6 months (standard)
12 months (ISO 19624) ▲▲
(for Advanced)		Cost-effective (Base)
Extended coverage ▲▲▲
Risk mitigation ▲▲▲▲		Shorter coverage (Base) ▲▲▲
Higher upfront cost (Advanced) ▲▲▲▲
CustomizationCustom engine buildsModular design (SAE J225) ▲
Pre-drilled valve seats ▲▲
(for Advanced)		Easy component replacement ▲▲▲
Adaptable to diverse engines ▲▲▲▲		Limited compatibility with non-standard parts ▲▲▲
Installation expertise required ▲▲▲▲

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