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MACK 21799879 Air Suspension Spring

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$491.49

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MACK 21799879 Part Description

Manufacturer

MACK

Features & Benefits

  • Restores suspension performance and brings back a stable, controlled ride
  • Reduces vibrations and harsh impacts and minimizes driver fatigue
  • Maintains proper ride height and prevents sagging under heavy loads
  • Protects chassis and other components and reduces long-term wear and damage

Mack Air Suspension Spring

A truck’s suspension determines ride comfort, handling, and overall vehicle stability. The Mack Air Suspension Spring absorbs shocks from uneven roads, keeping the truck balanced and the driver comfortable. Deteriorating air springs cause excessive vibrations, unstable handling, and increased stress on the chassis, but this replacement restores smoothness. Proper suspension function ensures that cargo remains stable and that the vehicle performs optimally, no matter the terrain. Long hours on the road demand a suspension system that works flawlessly, and the Mack 21799879 delivers.

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Mack 21799879 Air Suspension Spring Air Suspension Spring

MACK 21799879

Air Suspension Spring

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MACK 21799879 Manufacturer Information

Mack trucks are built to last, but when the time for repair and maintenance comes it’s strongly recommended to use genuine Mack® components. Designed and manufactured according to strict OEM specifications, Mack parts offer the same engineering and performance as their stock equivalent. This ensures a seamless fit, smooth installation, and reliable operation overall. Mack offers a wide range of genuine parts, including engine, exhaust, transmission, cab, and body parts and accessories. It also offers remanufactured components that offer the same good-as-new quality at a more accessible price range. All genuine Mack parts are tested in both the laboratory and field environments to ensure they meet or exceed industry standards.

MACK 21799879 Questions & Answers

Q: by Jazzy on February 05, 2026

Where can I find two of these for our Mack trucks? Thanks!

A: by Ed Staff on February 09, 2026

Thank you for your request I have reached out directly to you.

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