Product Description
The 1S5-154 sleeve-type air spring is designed for compatible heavy-duty truck cab suspension systems. Its reinforced rubber construction helps absorb road vibration and cushion movement, contributing to improved ride comfort and reduced stress on suspension components.
Commonly associated with Mack truck cab suspension systems, the 1S5-154 replaces Mack part number 227QS312BM.
Specifications:
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Air spring type: Sleeve
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Part number: 1S5-154
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Cross-reference: Mack 227QS312BM
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Extended height: 9.50 inches
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Compressed height: 4.10 inches
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Top plate diameter: 2.65 inches
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Bottom plate diameter: 3.53 inches
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Top mounting points: 1
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Bottom mounting points: 1
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Upper mounting thread: M20 × 2.5
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Air connection: 1/8-27 NPTF
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Internal bumper: No
Verify the original part number, mounting configuration, and dimensions before ordering.
