Trailer Air Spring Bag | Replacement Hendrickson S-4771 C-4771 | 2 Pack
Trailer Air Spring Bag | Replacement Hendrickson S-4771 C-4771 | 2 Pack
Care information
Care information
Display general product information or specific product information using metafields.
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.
Highlight title
Text to highlight a key feature of your product
Description
Description
Built to deliver maximum strength, reliability, and long service life, this TORQUE rolling lobe air spring is engineered to exceed OEM standards and perform under the toughest heavy-duty suspension demands 🚛🔧
🧱 QUALITY
🆔 Part number permanently engraved on the rubber for quick identification
🛡️ 4.5–5.00 mm thick rubber that exceeds OEM specifications
🔩 25% stronger 4140-grade steel studs for added durability
🧩 Reinforced composite pistons for long-lasting performance
💧 Highest leak-test ratio after final assembly to ensure reliability
📐 SPECS
📏 Extended Height: 19.25"
📉 Compressed Height: 5.80"
📐 Top Plate Width: 11.31"
⚙️ Piston Width: 11.62"
⚖️ Weight: 25.00 lbs
🔁 REPLACEMENT FOR
Hendrickson: S-4771, C-4771
Hendrickson Canada: B-12514-013
Firestone: W01-358-8050, W01-358-8058
Goodyear: 1R14-039, 1R14-055, 1R14-083
ContiTech: 1110 5C-16
Triangle: AS-8320
Tuthill-Reyco: 23631-01
Watson & Chalin: AS-0039
Automann: 566.ER8050
TORQUE / Aftermarket: AS8050, HDV8050, HD8050
Sampa: SP558050-K
🛡️ WARRANTY
🏆 3-Year Unlimited Mileage Warranty – industry-leading coverage for rolling lobe / reversible sleeve air springs
📝 Please register your air spring on the Torque Parts website after purchase
⚠️ FITMENT NOTICE
📞 Always verify fitment by OEM part number with your dealer
📊 Compare all dimensions and specs with the diagram image before ordering
❗ Do NOT buy by make or model – this is one of the most common fitment mistakes
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
