Exchanger-Heat Transmission 4-1003B

positive OEM
Paccar
Part# 4-1003B
note
Heat exchanger for cooling manual transmission fluid in heavy-duty trucks.
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Description

The Genuine Paccar Transmission Heat Exchanger (4-1003B) regulates transmission fluid temperature by dissipating heat generated during manual transmission operation. This component maintains fluid cooling to support transmission performance and prevent overheating under heavy-duty conditions.

Key Specifications

  • Application: Manual transmissions, heavy-duty trucks
  • Function: Transmission fluid heat dissipation
  • Compatibility: Kenworth manual transmissions, Paccar platforms
  • Construction: Metal heat exchanger core, corrosion-resistant materials
  • Features: Thermal conductivity, compact design, direct-fit installation
  • Quality: OEM Paccar 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). 

 

For more shipping information, please see our Shipping & Delivery page.

More Information

Current Part# 4-1003B
Type OEM
Manufacturer Paccar
Warranty Standard Manufacturer Warranty