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Specifications

The Firestone AS8050 1T19ZK5.7 RB 2X3/4CF PST Nut is designed for heavy-duty truck air suspension systems, providing a dependable solution for air spring mounting. This high-strength component ensures proper alignment, minimizes vibration, and contributes to smooth, stable ride performance. Constructed from durable, corrosion-resistant materials, the AS8050 withstands extreme conditions while maintaining long-term reliability. Ideal for fleet maintenance or individual truck operators, this PST Nut supports the overall air suspension system, enhancing cab and chassis stability, protecting suspension components, and improving vehicle handling and comfort on the road.
Weight
0.1

Compatibility

Freightliner Cascadia (2008‑2024)

Freightliner Columbia (2000‑2010)

Freightliner Coronado (2003‑2019)

Kenworth T660 (2007‑2017)

Kenworth T680 (2013‑2024)

Kenworth W900 (1990‑2024)

Peterbilt 379 (1987‑2007)

Peterbilt 389 (2008‑2024)

Peterbilt 579 (2012‑2024)

Volvo VNL Series (2004‑2024)

Mack Pinnacle (2006‑2024)

International LT Series (2017‑2024)

Alternative Part Numbers

  • AS8050
  • FES8050
  • Firestone 1T19ZK5.7
  • TRS8050
  • ZFA-AS8050

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