Product Description
The Goodyear 2B12-425 Double-Convoluted Bellows Air Spring is a heavy-duty replacement suspension air bag designed for commercial trucks, trailers, and compatible 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 2B12-425 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 2B12-425 is compatible with select International/Navistar, Hendrickson, Ridewell, SAF-Holland/Neway, and Watson & Chalin suspension configurations. Its reinforced construction makes it a reliable replacement for worn, damaged, or leaking air springs, helping restore proper suspension operation, load support, and vehicle stability.
Specifications:
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Manufacturer: Goodyear
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Part Number: 2B12-425
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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: Approximately 12.50 inches
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Minimum Compressed Height: Approximately 3.10 inches
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Top Plate Diameter: 9.00 inches
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Bottom Plate Diameter: 9.00 inches
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Top Mounting: Two Threaded Mounting Holes
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Bottom Mounting: Two Threaded Mounting Holes
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Mounting Center Spacing: 6.20 inches
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Top Mounting Thread: 3/8"-16 UNC
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Bottom Mounting Thread: 1/2"-13 UNC
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Air Connection: Offset Air Fitting
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Internal Bumper: No
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Goodyear Bellows Number: 578-92-3-309
Cross-Reference Part Numbers:
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Firestone: W01-358-7180
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Continental/ContiTech: 64493, FD 330-22 363
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International/Navistar: 1685179C1
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Hendrickson: NA1816
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SAF-Holland/Neway: 57007180
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Ridewell: 1003587180C
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Watson & Chalin: AS-0154-1G, AS-0188-1F
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Automann: ABSP2B22R-7180
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EZ Ride: 8030190
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FleetPride: AS7180
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Triangle: AS-4363
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TRP: AS71800
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Loadguard: SC2075
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Peerless: 0550-00001
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Taurus: AS214-7180
Important Fitment Note: Designed for select commercial truck, trailer, and auxiliary air suspension systems. Verify the original equipment part number, mounting hole arrangement, air connection size and location, and suspension dimensions before ordering. Similar d
