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Specifications

The Firestone AS9617 air spring (1T15LA(-1) 3/4CF Bracket Frame Stud Piston) is engineered to deliver reliable suspension performance in heavy‑duty trucks and trailers. Its reversible sleeve design with bracket and stud mounting absorbs road shock and enhances load support, improving ride comfort and vehicle stability. Built to meet or exceed OEM standards, this air spring fits a wide range of cross‑reference part numbers for exact replacement fitment. Ideal for truck fleets, repair shops, and maintenance programs, it ensures long‑lasting performance under rigorous use.
Weight
11.2

Compatibility

Kenworth – K‑303‑18 (Airglide 200) original small air fitting (1996–1997)

Kenworth – later superseded by K‑303‑22 in some applications (verify based on your suspension config)

Alternative Part Numbers

  • 1R11‑219
  • 1R11219
  • 3040‑W013589617
  • 352‑9617
  • 9 9‑9 S 860
  • 99‑9P860
  • 99‑9S860
  • AB9617
  • AS‑8514
  • AS9617
  • FI W01 358 9617
  • FIW013589617
  • FS9617
  • FSIW013589617
  • G2299617200
  • K303‑18
  • K30318
  • K30322
  • TR9617
  • TWDW013589617
  • W01‑358‑9617
  • W013589617

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