Intake Air Heater 3970000

positive OEM
Part# 3970000
Electrical heater that warms intake air to improve diesel engine cold starts.
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Description

The Cummins Intake Air Heater (3970000) is an electrical heating component designed to warm intake air before it enters the engine combustion chamber. This device improves cold-start performance and combustion efficiency by ensuring intake air reaches optimal temperature for ignition in diesel engines.

Key Specifications

  • Application: 6B5.9, 6C8.3, B6.7S, ISB CM550, QSB4.5 CM2250 EC, QSB5.9 44 CM550, QSB6.7 CM850 (CM2850), QSB7 CM2880 B117
  • Function: Preheats intake air for combustion efficiency
  • Compatibility: Cummins diesel engine series
  • Construction: Metal housing, electrical heating element
  • Features: Heat exchange element, electrical power operation, integration with air intake system
  • Quality: OEM Cummins part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

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More Information

Current Part# 3970000
Type OEM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty