Product Description
The Goodyear 2B12-305 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, Reyco Granning, International/Navistar, 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 operating conditions.
Featuring Goodyear's durable reinforced rubber construction, the 2B12-305 incorporates two flexible bellows sections and heavy-duty metal mounting plates. Its double-convoluted design allows controlled compression and extension, helping reduce stress on surrounding suspension components while improving ride comfort and protecting cargo from road vibration.
The Goodyear 2B12-305 provides a reliable replacement for worn, damaged, or leaking suspension air springs. Its durable construction makes it suitable for demanding commercial transportation environments where dependable air cushioning, suspension operation, and load support are essential.
Specifications:
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Manufacturer: Goodyear
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Part Number: 2B12-305
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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: 12.40 inches
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Minimum Compressed Height: 3.50 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: Three Mounting/Air Connection Points
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Bottom Mounting: Two Mounting Points
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Top Mounting Center Spacing: 6.20 inches
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Bottom Mounting Center Spacing: 6.20 inches
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Bottom Plate Alignment: Parallel
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Internal Bumper: No
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Goodyear Bellows Number: 578-91-3-310
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Goodyear Upper Mounting Assembly: ASA-92-8-026
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Goodyear Lower Mounting Assembly: ASA-92-6-002
Cross-Reference Part Numbers:
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Firestone: W01-358-7443
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Continental/ContiTech: 64531, FD 330-22 323
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Automann: ABSP2B22RA-7443
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International/Navistar: 554786C1
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Ridewell: 1003587443C, S-2683-C
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Watson & Chalin: AS-0027
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Reyco Granning: 1218, 1589
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Dayton Parts: 354-7443
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Triangle: 4323, AS-4323
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Loadguard: SC2026
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TRP: AS74430
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Meritor: FS7443
Important Fitment Note: Designed for select commercial truck and trailer air suspension systems. Verify the original equipment part number, mounting configuration, air connection, and suspension dimensions before ordering to ensure proper fitment. Similar double-convoluted air springs may have different mounting arrangements and are not necessarily interchangeable.
