Product Description
The 1S6-055 Sleeve-Type Air Spring is designed for heavy-duty commercial truck cab suspension systems, providing reliable pneumatic cushioning to reduce road vibration, absorb shocks, and improve driver comfort. Its durable rubber sleeve construction helps maintain consistent suspension support while minimizing excessive cab movement during operation.
Commonly used in Mack CH and CX series trucks, the 1S6-055 features a compact sleeve-style design with reinforced mounting components for dependable performance. It is an excellent replacement option for worn, damaged, or leaking cab suspension air bags.
Specifications:
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Part Number: 1S6-055
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Type: Sleeve-Type Air Spring
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Suspension Type: Cab Suspension
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Construction: Rubber Sleeve with Metal Mounting Components
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Extended Height: 10.8 inches
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Compressed Height: 4.1 inches
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Upper Plate Diameter: 3.15 inches
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Lower Plate Diameter: 3.89 inches
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Upper Mounting Thread: M20 × 2.5-6G
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Lower Connection: 0.75-inch Smooth Outside Diameter
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Air Connection: 1/8-27 NPTF
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Piston Number: ASC-08-7-215
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Internal Bumper: None
Cross-Reference Numbers:
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Goodyear 1S6-025
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Goodyear 579-120-055-00004
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Mack 21128980
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Mack 227QS312AM
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Mack 227QS312M
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Mack 227QS46M
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Mack 25166135
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Automann ABSZ70-055
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PAI FAS-4988
Commonly associated with Mack CH and CX series cab suspension systems. Verify the original equipment part number, mounting threads, air connections, and suspension configuration before ordering to ensure proper fitment.
