{"product_id":"econoride-rolling-lobe-air-spring-hendrickson-vantraax-p959-type-firestone-9978-contitech-67588-566-er9978","title":"Econoride Rolling Lobe Air Spring - Hendrickson Vantraax P959 Type - Firestone 9978 Contitech 67588 566.ER9978","description":"\u003cp\u003eHold your trailer where it belongs with this \u003cstrong\u003eEconoride Rolling Lobe Air Spring\u003c\/strong\u003e distributed by FleetPro Parts \u0026amp; Tires — the value-line answer to the \u003cstrong\u003eP959 type\u003c\/strong\u003e bag used on \u003cstrong\u003eHendrickson Vantraax trailer suspensions\u003c\/strong\u003e. When a bellows cracks, chafes or starts weeping, the deck drops, the compressor runs all shift chasing the leak, the freight takes a beating and the shock absorbers go right after it. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for fleets, trailer repair shops, and owner-operators nationwide.\u003c\/p\u003e\n\n\u003ch2\u003eP959 Geometry, Econoride Value: The 9978 Air Spring Advantage\u003c\/h2\u003e\n\n\u003cp\u003eThis bellows follows the \u003cstrong\u003eContitech 9 10-14 P 959\u003c\/strong\u003e rolling lobe profile: an \u003cstrong\u003e11.5in design height\u003c\/strong\u003e, 7.8in collapsed, and \u003cstrong\u003e12.6in maximum diameter\u003c\/strong\u003e, on a plastic base, at 15.11 lbs. Those numbers are what the ride-height valve on a Vantraax suspension is calibrated around — get them wrong and the trailer either rides nose-high or bottoms the bag on every expansion joint.\u003c\/p\u003e\n\n\u003cp\u003eRolling lobe construction lets the bellows roll along the piston instead of stretching, which keeps the spring rate consistent loaded or empty. The plastic base resists the corrosion that eats steel bases from underneath a salted trailer, and the rubber compound is built for road salt, spilled lubricants, freezing temperatures and the debris a trailer axle lives in.\u003c\/p\u003e\n\n\u003cp\u003eAt FleetPro Parts \u0026amp; Tires, we know a suspension job is only right when the part is right. This Econoride spring is a direct replacement for highly searched industry numbers including Firestone \u003cstrong\u003e9978\u003c\/strong\u003e, 8465 and W01-358-9978, Contitech \u003cstrong\u003e67588\u003c\/strong\u003e and 69744, and Goodyear \u003cstrong\u003e1R12-1179\u003c\/strong\u003e. Always inspect the mounts and shock absorbers when you replace an air spring.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eVehicle Fitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis heavy-duty aftermarket air spring is intended for the following commercial applications:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMake\/Model:\u003c\/strong\u003e Hendrickson Vantraax trailer suspensions\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Trailer air-ride suspension\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Contitech 9 10-14 P 959\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComponent Group:\u003c\/strong\u003e Air Suspension \/ Air Springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eDirect Replacement \u0026amp; Cross-Reference Numbers:\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eThis Econoride air spring serves as a direct replacement for the following part numbers:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eContitech Interchange:\u003c\/strong\u003e 67588, 69744, 9 10-14 P 959\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFirestone Interchange:\u003c\/strong\u003e 8465, 9978, W013589978, W01-358-9978\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGoodyear Interchange:\u003c\/strong\u003e 1R121179, 1R12-1179\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutomann Distributor #:\u003c\/strong\u003e 566.ER9978\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Rolling Lobe Air Spring\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Contitech 9 10-14 P 959\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBase Material:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDesign Height:\u003c\/strong\u003e 11.5 in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCollapsed Height:\u003c\/strong\u003e 7.8 in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMax Diameter:\u003c\/strong\u003e 12.6 in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 15.11 lbs\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Dims:\u003c\/strong\u003e 10.6 x 10.6 x 11.8 in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Level:\u003c\/strong\u003e Fleet Value Aftermarket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Econoride (Distributed by FleetPro Parts \u0026amp; Tires)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Econoride","offers":[{"title":"Default Title","offer_id":43024037642311,"sku":"566.ER9978","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8035\/2583\/files\/image_1920_30e5d6fe-ab0c-4bf4-8ba7-50867471f91c.jpg?v=1785428000","url":"https:\/\/fleetpropt.com\/products\/econoride-rolling-lobe-air-spring-hendrickson-vantraax-p959-type-firestone-9978-contitech-67588-566-er9978","provider":"FLEETPRO PARTS \u0026 TIRES ","version":"1.0","type":"link"}