Specification AutomotiveFitType : vehicle_specific_fit AutoPartPosition : front Brand : PTP PRO TRUCKING PRODUCTS BulletPoint : FREIGHTLINER BulletPoint1 : Upgraded Steel Base For Heavy Duty Applications BulletPoint2 : Goodyear Bellows Number: 566-26-3-073, Goodyear Part Number: 1R13-159 BulletPoint3 : Firestone Bellows Number: 1T17CA-5, Firestone Part Number: W01-358-8709 BulletPoint4 : Replaces: Hendrickson Trailer S-21800 (Intraax AA230) BulletPoint5 : Cross References: 1R13159, 1T17CA5, 566263103, 8751, C21800, 8460, C20900, S21800, 1R13159, W013588709, W01 358 8709, 1R13-159, W01-358-8709, 64645, 10 10.5-15 P 460, 1010.5-15P460, 1010.515P460, S21800, AS87090 BulletPoint6 : Upgraded Steel Piston For Heavy Duty Applications CompatibilityOptions : Fits Quick Air 5th Wheel Pin Box - Requires 1/8" Air Tank Valve Not Included ExteriorFinish : Rubber ExternallyAssignedProductIdentifier1 : 0889626209079 ExternallyAssignedProductIdentifier2 : 889626209079 FitType : Universal GpsrSafetyAttestation : 1 IncludedComponents : Air Spring ItemName : 8709SP Air Spring With Steel Base, Replaces Hendrickson Trailer S21800 & Firestone W01-358-8709 ItemPackageDimensions_Height : 8 inches ItemPackageDimensions_Length : 8 inches ItemPackageDimensions_Width : 8 inches ItemPackageQuantity : 1 ItemTypeKeyword : air-springs Manufacturer : Spring Pro Material : Steel ModelName : Air Spring ModelNumber : 8709SP NumberOfBoxes : 1 NumberOfItems : 1 OemEquivalentPartNumber : SH-205 PackageLevel : unit PartNumber : LB8709 PartTypeId : 16634 ProductDescription : 8709 Air Spring With Upgraded Steel Base For Heavy Duty Applications Replaces Hendrickson Trailer (Intraax AA230) S21800 & Firestone W01-358-8709 Many people are searching the Internet for the Hendrickson numbers S21800 or C21800. These two numbers are interchangeable for the same air spring and the bag listed here is a high quality direct replacement. Goodyear Bellows Number: 566-26-3-073 Goodyear Part Number: 1R13-159 Firestone Bellows Number: 1T17CA-5 Firestone Part Number: W01-358-8709 Replaces: Hendrickson Trailer S-21800 (Intraax AA230) ProductSiteLaunchDate : 2021-01-22T08:00:00.000Z Size : Air Spring Bag for Quick Air 5th Wheel SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 25170000 WarrantyDescription : Shocker Hitch Guarantee & Warranty Policy: Limited Warranty covers any defects in material or workmanship under normal use for One Year from original date of purchase. During the Warranty Shocker Hitch will repair or replace, at no charge, the Shocker Hitch, or parts of the Shocker Hitch, that are defective because of improper material or workmanship, under normal use & maintenance. What you need to do to for warranty? Call us to determine the problem & find the most appropriate solution. Please provide proof of purchase. Customer is responsible for shipping costs incurred from returning defective product to Shocker Hitch. Any returned product that is replaced or refunded becomes the property of Shocker Hitch. What does this limited warranty not cover? Shipping costs incurred to repair or replace the hitch. Damage incurred while in transit to Shocker Hitch for warranty. Any finish such as, paint, powder coating, electroplating, etc.,on the hitch. Normal wear & tear of hitch under proper use. Labor or service charges involved in replacing any hitch. Damage resulting from abuse, neglect, misuse, or any accident. Product which is improperly installed, overloaded, modified, or altered. Loss of time, expense, vehicle use, other vehicle damage, replacement rental, lodging, or any incidental cost. Damage resulting from improper maintenance. Damage resulting from theft of a product, improper use or modification, loss of a product or natural disasters.