--- product_id: 261968853 title: "2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709)" brand: "torque" price: "€ 567.89" currency: EUR in_stock: true url: https://www.desertcart.it/products/261968853-2-pack-of-torque-trailer-air-spring-bag-for-hendrickson store_origin: IT region: Italy --- # Highest leak test ratio post-assembly 4.5-5.0 mm thick premium rubber 25% stronger 4140 steel studs 2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) **Brand:** torque **Price:** € 567.89 **Availability:** ✅ In Stock ## Summary > 🚛 Elevate your ride with torque-tested toughness! ## Quick Answers - **What is this?** 2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) by torque - **How much does it cost?** € 567.89 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/261968853-2-pack-of-torque-trailer-air-spring-bag-for-hendrickson) ## Best For - torque enthusiasts ## Why This Product - Trusted torque brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fitment:** Designed to replace multiple OEM parts including Firestone, Hendrickson, and Goodyear models for seamless installation. - • **Unrivaled Warranty:** Exclusive 3-year unlimited mile warranty backs your investment with peace of mind. - • **Built to Outperform:** 25% stronger 4140 grade steel studs ensure unmatched durability under heavy loads. - • **Leak-Proof Confidence:** Industry-leading leak test ratio guarantees long-lasting airtight performance. - • **Premium Rubber Thickness:** 4.5 to 5.0 mm thick rubber exceeds OEM standards for superior wear resistance. ## Overview The TORQUE TR8709 Trailer Air Spring Bag is engineered for Hendrickson AAT 23K models and compatible with multiple OEM parts. Featuring 25% stronger 4140 steel studs, premium thick rubber exceeding OEM specs, and the highest leak test ratio, it delivers superior durability and reliability. Backed by an industry-first 3-year unlimited mile warranty, this 2-pack ensures your trailer suspension performs at peak efficiency with confidence. ## Description 2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) ## Features - QUALITY - Easy to identify part number permanently engraved on the rubber. 4.5 - 5.00 mm thick rubber that exceeds OEM requirements. 25% stronger 4140 grade steel studs. Stronger composite pistons. Highest leak test ratio after final assembly. - SPECS - Extended Height: 19.40" // Compressed Height: 6.00" // Top Plate Width: 10.38" // Piston Width: 9.15" // Weight: 14.00 lbs - REPLACEMENT FOR - Hendrickson S-20900, S-21800, C-20900, C-21800 // Firestone W01-358-8709, W01-358-8751 // Goodyear 1R13-159 // Triangle AS-8453, AS-8460 // Automann AB1DK25B-8751, 566.ER8709 // AS8709, HDV8709, HD8709 // Sampa SP558709-KP - WARRANTY - Thanks to our superior quality and customer service we started offering our customers industry's first 3-year unlimited mile warranty on our rolling lobe / reversible sleeve air springs. When you get your air spring, please register it through Torque Parts website. - FITMENT - Please, call your dealer and ask for the part number. Then, check out if this air bag replaces it. Or, see the diagram picture and make sure all specs match with your air bag. ***Buying an air bag by make and model is one of the most common mistakes. Please, do not buy it by make and model.*** ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Torque | | Brand | Torque | | Model | TR8709 | | Item Weight | 29.7 pounds | | Package Dimensions | 20.1 x 15.55 x 10.4 inches | | Item model number | TR8709 | | Is Discontinued By Manufacturer | No | | Manufacturer Part Number | 2 x TR8709 | | OEM Part Number | Firestone 8709, Firestone 8751, Hendrickson S-20900, S-21800, Firestone W01-358-8709, W01-358-8751, Goodyear 1R13-159, Triangle 8453, Hendrickson S20900, S21800, Firestone W013588709, W013588751, Goodyear 1R13159, Triangle 8453 | | Special Features | 25% stronger 4140 grade steel studs., Stronger composite pistons., Highest leak test ratio after final assembly., 4.5 - 5.00 mm trick rubber that exceeds OEM requirements. | ## Images ![2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) - Image 1](https://m.media-amazon.com/images/I/71xqa7uHyAL.jpg) ![2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) - Image 2](https://m.media-amazon.com/images/I/61leVLHtQNL.jpg) ![2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) - Image 3](https://m.media-amazon.com/images/I/410C0rSmDFL.jpg) ![2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) - Image 4](https://m.media-amazon.com/images/I/31Wz5zdITKL.jpg) ![2 pack of TORQUE Trailer Air Spring Bag for Hendrickson AAT 23K Models Intraax & Van Traax (Replaces Firestone 8709, 8751, W01-358-8709, Goodyear 1R13-159) (2 x TR8709) - Image 5](https://m.media-amazon.com/images/I/71NT926958L.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: How could I purchase correct air spring bags for my truck/trailer ?** A: Please ask your dealer for the correct part number for your vehicle, with your VIN number. **Q: Why Torque Parts ?** A: Air Springs manufactered and tested by Torque Parts are made of higher quality components and thicker rubber which result in a much longer product life than our competitors. **Q: What does Torque Parts do ?** A: Torque Parts is a U.S.-based company specializing in air springs for pickup trucks, semi-trucks, and trailers. We offer over 1,000 different parts under the Torque Parts. Our headquarters is in Chicago, IL, with multiple warehouses around the USA. **Q: How can I reach to Torque Parts ?** A: You can contact Torque Parts LLC. Our dedicated team is available to provide assistance and address any questions you may have. We are committed to ensuring your satisfaction and look forward to helping you with your needs. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/261968853-2-pack-of-torque-trailer-air-spring-bag-for-hendrickson](https://www.desertcart.it/products/261968853-2-pack-of-torque-trailer-air-spring-bag-for-hendrickson) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-05-10*