Heater Gasket 5400984

positive OEM
Cummins
Part# 5400984
note
Sealing gasket for heater core to prevent coolant leaks in heating systems.
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Description

The Cummins Heater Gasket (5400984) is a sealing component used in vehicle heating systems to create a secure interface between the heater core and its housing. It prevents coolant leaks and maintains efficient heat transfer, supporting stable cabin temperature control in commercial trucks.

Key Specifications

  • Application: Tier 3 3.3L B engine series
  • Function: Seals heater core to housing, prevents coolant leaks
  • Compatibility: Cummins B3.3 engine series, similar Cummins engines
  • Construction: Heat-resistant gasket material
  • Features: Precise fit, heat and pressure resistant, durable seal
  • 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# 5400984
Type OEM
Part# variations 5400984 CUM,
5400984CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty