Valve-Parking Brake,Release Interlock 3321-01

positive OEM
Air valve preventing parking brake release without service brake application
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Description

The GT Development Valve-Parking Brake Release Interlock (3321-01) controls the air pressure to the parking brake circuit, preventing release without service brake application. It functions as a safety interlock valve to ensure proper brake operation in heavy-duty vehicle air brake systems.

Key Specifications

  • Application: Heavy-duty truck air brake systems
  • Function: Prevents park brake release without service brake pressure
  • Compatibility: Commercial vehicles, heavy-duty trucks
  • Construction: Metal body with integral push-to-connect fittings
  • Features: Air-operated interlock valve, push-to-connect fittings, high-temperature resistance
  • Quality: OEM 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# 3321-01
Type OEM
Part# variations GTD 3321-01,
GTD3321-01
Manufacturer GT Development
Warranty Standard Manufacturer Warranty