Product Description
The Goodyear 2B9-251 Double-Convoluted Bellows Air Spring is a heavy-duty replacement suspension air bag designed for commercial trucks and trailers equipped with compatible air ride suspension systems, including select Ridewell and Watson & Chalin configurations. 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 load conditions.
Featuring Goodyear's durable Super-Cushion construction, the 2B9-251 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 2B9-251 includes an internal bumper for additional suspension protection. Its rugged 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: 2B9-251
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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: Reinforced Rubber Bellows with Metal Mounting Plates
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Maximum Extended Height: 12.20 inches
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Minimum Compressed Height: 3.80 inches
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Maximum Outside Diameter: Approximately 10.30 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: Two Mounting Points
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Bottom Mounting: Two Mounting Points
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Top Mounting Center Spacing: 3.50 inches
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Bottom Mounting Center Spacing: 3.50 inches
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Air Connection: 1/4-inch NPTF
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Bottom Plate Alignment: Parallel
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Internal Bumper: Yes
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Goodyear Bellows Number: 578-92-3-206
Cross-Reference Part Numbers:
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Firestone: W01-358-6948
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Continental/ContiTech: 64552, FD 200-25 429
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Automann: ABSP2B12RA-6948
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Ridewell: 1003586948C
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Watson & Chalin: AS-0122G
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Triangle: AS-4429, 4429
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Meritor: FS6948
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Loadguard: SC2123
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SAF-Holland: G2296948500
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Haldex: CS209251
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TRP: AS69480
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Dayton Parts: 354-6948
Important Fitment Note: Designed for select commercial truck and trailer suspension configurations, including Ridewell 1003586948C and Watson & Chalin AS-0122G applications. Verify the original equipment part number, mounting hole 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.