Firestone 1T15M4 Cb 1/2 Npt 2Bn PST Part No: AS8813

$165.87

The Firestone AS8813 air spring (1T15M4 CB 1/2 NPT 2BN PST) is designed for heavy-duty truck suspension systems requiring reliable load support and ride stability. Engineered to meet OEM specifications, this reversible sleeve air spring helps reduce vibration and improve driver comfort. Built with durable rubber compounds and reinforced construction, it delivers long-lasting performance in demanding applications. This air suspension spring is commonly used in Kenworth Airglide 380 and Peterbilt Flex Air suspension systems.

Specifications

The Firestone AS8813 air spring (1T15M4 CB 1/2 NPT 2BN PST) is a heavy-duty suspension component designed to maintain proper ride height and improve stability in commercial trucks. Built with reinforced rubber and durable internal components, it helps absorb road shock and reduce vibration during daily operation. This reversible sleeve air spring supports consistent load distribution, smoother handling, and longer suspension life. The AS8813 is commonly used in Kenworth and Peterbilt truck suspension systems that require dependable air suspension performance in demanding road and load conditions.

Weight

12.6

Compatibility

Kenworth

Kenworth T660 (2008–2017)

Kenworth T680 (2013–Present)

Kenworth T800 (2005–Present)

Kenworth W900 (2005–Present)

Peterbilt

Peterbilt 379 (2004–2007)

Peterbilt 386 (2005–2015)

Peterbilt 387 (2000–2008)

Peterbilt 389 (2007–Present)