Cylinder Head Cummins 5271866 | 5258274, 4995524, 5272796

High-Performance Cummins 5271866 Cylinder Head

The Cummins 5271866 Cylinder Head is a critical component designed for heavy-duty truck engines, playing a significant role in overall engine performance, sealing, and efficiency. This part is also available under the numbers: 5258274, 4995524, and 5272796. Engineered to withstand high thermal and mechanical loads, this cylinder head ensures precise valve timing and optimal airflow within the combustion chamber, contributing to improved fuel economy and power output.

Key Features & Benefits

• Robust Construction: Manufactured using high-quality materials to ensure long-term durability and resistance to thermal cracking.
• Optimized Airflow: Features a precise valve configuration and advanced cooling channels to manage thermal loads effectively.
• Enhanced Efficiency: Promotes complete fuel combustion, reducing emissions and maximizing engine power.
• Reliable Sealing: Designed to interface seamlessly with the engine block and head gasket to prevent compression loss.

Engine Compatibility

This cylinder head is engineered to fit a variety of Cummins engines, ensuring a proper seal and efficient operation across the following models:

• B4.5 CM2350 B129B
• D4.0 CM2620 D103B
• F3.8 CM2350 F120B, F128C, CM2620 F137B, F102
• F4.5 CM2620 F139B, F141C
• ISB4.5 CM2350 B104
• ISF3.8 CM2220 AN, F103, CM2350 F109
• ISF4.5 CM2220 F123
• QSF3.8 CM2350 F107, CM2880 F112

Specifications

• Weight: 93.7 lb
• Package Dimensions: 21.26 x 11.42 x 9.45 in

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 5271866
• 5258274
• 4995524
• 5272796
• 5271867
• 5258275
• 525827400
• 527186600
• 525827500
• 499552400
• C5258274
• C5271866
• C5258275
• C4995524
• CU5258274
• CU5271866
• CU5258275
• CU4995524