Product Description
The Goodyear 2B9-229 Double-Convoluted Bellows Air Spring is a heavy-duty replacement suspension air bag designed for commercial trucks, trailers, and compatible lift axle and auxiliary suspension systems. Engineered to provide dependable air cushioning and load support, this air spring helps absorb road shock, reduce vibration, and maintain stable suspension performance under varying operating conditions.
Featuring Goodyear's durable Super-Cushion construction, the 2B9-229 incorporates two reinforced rubber bellows sections and heavy-duty metal mounting plates. Its double-convoluted design provides controlled compression and extension, helping reduce stress on surrounding suspension components while improving ride comfort and protecting cargo from road vibration.
The Goodyear 2B9-229 is compatible with select Watson & Chalin, Ridewell, Reyco, and International/Navistar suspension configurations. Its durable construction makes it a reliable replacement for worn, damaged, or leaking air springs, helping restore proper suspension operation, load support, and vehicle stability in demanding commercial transportation environments.
Specifications:
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Manufacturer: Goodyear
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Part Number: 2B9-229
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Product Line: Super-Cushion
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Product Type: Heavy-Duty Suspension Air Spring
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Design: Double-Convoluted / Two-Bellows
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Construction: Textile-Reinforced Rubber Bellows with Metal Mounting Plates
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Maximum Extended Height: Approximately 10.30 inches
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Minimum Compressed Height: Approximately 3.20 inches
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Maximum Bellows Diameter: Approximately 8.88 inches
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Top Plate Diameter: 6.40 inches
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Bottom Plate Diameter: 6.40 inches
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Top Mounting: One 3/4"-16 Combination Stud/Air Fitting
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Bottom Mounting: One 1/2"-13 Stud
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Air Connection: 1/4-inch NPTF
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Bottom Plate Alignment: Parallel
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Internal Bumper: No
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Goodyear Bellows Number: 578-92-3-211
Cross-Reference Part Numbers:
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Firestone: W01-358-6897
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Continental/ContiTech: 64517, FD 200-19 505
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Automann: ABSP2B12R-6897
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Ridewell: 1003586897C
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Watson & Chalin: AS-0058
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Triangle: AS-4505, 4505
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Sampa: SP 556897
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Dayton Parts: 354-6897, 454-6897
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Meritor: FS6897, MAF6897
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TRP: AS68970
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International/Navistar: 2B9-490, 2601750C1
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Reyco: 701784-01
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Volvo/White: 3098608
Important Fitment Note: Designed for select commercial truck, trailer, and auxiliary suspension configurations. Verify the original equipment part number, mounting stud arrangement, air connection, and suspension dimensions before ordering to ensure proper fitment. Similar double-convoluted air springs may have different mounting configurations and are not necessarily interchangeable.