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Specifications

The 450550 Parking Brake Light Switch serves as an essential safety component in heavy-duty trucks, providing accurate brake-light activation whenever the parking brake is engaged. This switch is engineered to endure the harsh conditions typical in commercial trucking — including constant vibration, temperature fluctuations, and exposure to dust and moisture. It integrates seamlessly into existing brake systems and triggers correct electrical signaling to the brake lights. By replacing worn or faulty switches with 450550, fleet operators and technicians can restore proper brake-light function, maintain compliance with safety regulations, and reduce liability. Its robust design and straightforward installation make it a dependable choice for truck maintenance and repair.


  • Replaced part number NAP450550
Weight
0.15

Compatibility

Freightliner Cascadia: 2008–2023
Freightliner M2 Series: 2005–2023
International ProStar / LT: 2009–2022
Kenworth T680 / T880: 2013–2023
Mack Pinnacle / Granite Series: 2007–2023
Peterbilt 386 / 579: 2008–2023
Volvo VNL / VNM Series: 2008–2023

Alternative Part Numbers

  • Caterpillar 450550
  • Cummins 450550
  • Detroit Diesel 450550
  • Freightliner 450550
  • International 450550
  • Kenworth 450550
  • Mack 450550
  • Navistar 450550
  • PACCAR 450550
  • Peterbilt 450550
  • Volvo 450550

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