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(888) 312-8812 Login SignupThe Mack Air Suspension Spring improves cab ride support with compatible Mack GU, CXN, CXU, and CHI applications. This genuine OEM air spring provides a direct replacement for cab suspension systems used across these truck series. Its height and thread specifications help ensure correct fitment during installation and service. With OEM Mack build quality, this Mack 21338449 air suspension spring helps maintain stable cab support during daily operation.
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