Trailer Air Spring Bag | Replacement Firestone 9321 Hendrickson NS501304 | 2 Pack
Trailer Air Spring Bag | Replacement Firestone 9321 Hendrickson NS501304 | 2 Pack
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Care information
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Delivery and Shipping
Delivery and Shipping
Orders placed after the cut-off time will ship the next business day. Orders placed over the weekend will be shipped the following Monday. You’ll get a shipment notification email with a tracking number as soon as your package ships.
Disclaimer: During times of high order volume this timing may fluctuate, however, we always strive to ship out orders same day, prior to cut-off times. If extended delays occur for any reason, we will communicate as needed.
Shipping is free for all orders.
Trailer Air Spring Bag | Replacement Firestone 9321 Hendrickson NS5...
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Description
Description
Engineered for heavy-duty suspension systems, this TORQUE air spring delivers OEM-exceeding durability, precise fitment, and long-lasting performance under demanding conditions.
🛠️ QUALITY
🔹 Permanently engraved part number for easy identification
🔹 Heavy-duty 4.5–5.00 mm thick rubber exceeding OEM requirements
🔹 25% stronger 4140-grade steel studs for enhanced durability
🔹 Reinforced composite pistons for superior strength
🔹 Highest leak test ratio after final assembly
📐 SPECS
📏 Extended Height: 27.60"
📉 Compressed Height: 9.20"
📦 Top Plate Width: 9.00"
⚙️ Piston Width: 10.25"
⚖️ Weight: 14.70 lbs
🔁 REPLACEMENT FOR
🔄 Watson & Chalin AS-0036
🔄 Firestone W01-358-9321
🔄 Goodyear 1R12-256, 1R12-335
🔄 Triangle AS-8361
🔄 Contitech 910-21A361, 910-21P361
🔄 Hendrickson NS501304
🔄 Automann 566.ER9321
🔄 AS9321 / HDV9321 / HD9321
🔄 Sampa SP559321-KP
🛡️ WARRANTY
⭐ 3-Year Unlimited Mileage Warranty — industry-leading coverage
⭐ Register your air spring through the Torque Parts website
🚚 FITMENT NOTICE (IMPORTANT)
⚠️ Do NOT buy by make & model alone
📞 Confirm the correct part number with your dealer
📊 Compare all dimensions with the diagram before ordering
❗ Buying by vehicle model is one of the most common mistakes
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