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Specifications

The Truck Air Parts 11-1650 Relay – Square 5-Term is a premium 12-volt SPDT relay with five terminals and built-in diode protection for heavy-duty truck HVAC systems. Designed for Class 6–8 trucks, it delivers reliable switching performance for blower motors, condensers, and other control components. Its durable construction withstands high temperatures, vibration, and continuous operation. This relay provides a dependable replacement for OEM parts, ensuring consistent electrical performance and system efficiency. Available at Wofford Truck Parts for fast shipping and lasting quality.


Weight
5

Compatibility

Freightliner: Various models (e.g., Century, Columbia, Cascadia) from 1990s–2010s
International/Navistar: 4300, 4400, 5900, 7400, 9200, 9400, 9900 series (1990s–2010s)
Kenworth: T600, T800, W900 (1990s–2010s)
Peterbilt: 357, 377, 378, 379, 386, 387, 389 (1990s–2010s)
Volvo: Heavy-duty models with compatible HVAC systems (1990s–2010s)
Western Star: 4900EX, 4964EX, 4964FX, 5964 SBA (1990s–2010s)
 

Alternative Part Numbers

  • 11-1650. 2010009
  • 11-1650. 2099002
  • 1811001
  • 1811002
  • 1899003
  • 1899031
  • AirSource 11-1650
  • MEI 1810002
  • Truck Air 2318002

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