Specification AutomotiveFitType : universal_fit Brand : TRAILER SUPPLIES BulletPoint1 : 【Precision Fit for 3.5K–4K Axles】 Designed for trailer axles with capacities of 3,500 to 4,000 lbs. Compatible replacement for electric brake assemblies used across multiple trailer brands. BulletPoint2 : 【Standard 10" x 2-1/4" Compatibility】 Fits most 10" x 2-1/4" electric drum brake setups with standard 4-bolt brake flanges. Compatible with Dexter part numbers 023-105-00 (LH) and 023-106-00 (RH), and interchangeable with brake systems from Dexter, AL-KO, Lippert, Besser Pro, Rockwell, and Quality axles. BulletPoint3 : 【Complete Preassembled Kit】 Each unit comes fully assembled with brake shoes, springs, and magnets mounted on sturdy backing plates. Includes 16 mounting nuts and 16 lock washers for secure and hassle-free installation. BulletPoint4 : 【4-Bolt Mounting Flange 】 Designed for standard 4-bolt brake flanges and hub & drum assemblies in the 10" x 2-1/4" size range. BulletPoint5 : 【Dexter-Compatible Replacement】 Replaces Dexter part numbers K23-026-00 (LH) and K23-027-00 (RH); includes 16 mounting nuts and lock washers for easy installation. Color : BRUSHED STAINLESS CompatibleWithVehicleType : Trailer/RV ExteriorFinish : Painted ExternallyAssignedProductIdentifier : 7426867178059 ExternallyAssignedProductIdentifier1 : 612314232093 ExternallyAssignedProductIdentifier2 : 0612314232093 ExternallyAssignedProductIdentifier3 : 00612314232093 FitType : Universal Fit IncludedComponents : 2 x Electric Brake Assembly (Left/Driver Side); 2 x Electric Brake Assembly (Right/Passenger Side); 16 x Mounting Nuts: 16 x Lock Washers ItemDisplayDimensions_Diameter : 6 inches ItemDisplayWeight : 0.65 pounds ItemName : TRAILER SUPPLIES 10" x 2-1/4" Electric Trailer Brake Assembly (2 Left + 2 Right), Fits 3,500–4,000 lb Axles, 4pc Kit for RV, Utility, Cargo Trailers ItemPackageDimensions_Height : 12 inches ItemPackageDimensions_Length : 11 inches ItemPackageDimensions_Width : 11 inches ItemPackageQuantity : 1 ItemTypeKeyword : trailer-brakes Manufacturer : TRAILER SUPPLIES Material : Steel ModelName : WA-77-10-01/02-4P ModelNumber : WA-77-10-01/02-4P ModelYear : 2025 NumberOfBoxes : 1 NumberOfItems : 4 OemEquivalentPartNumber : 23209 Orientation : Dual PackageLevel : unit PartNumber : WA-77-10-01/02-4P PartTypeId : 1672 ProductDescription : Upgrade your trailer’s braking system with this TrailerSupplies 10" x 2-1/4" Electric Brake Assembly Set, designed for 3,500 to 4,000 lb trailer axles. This set includes two left-hand and two right-hand electric brake assemblies, all pre-installed with brake shoes, springs, and reliable brake magnets mounted on durable backing plates. Compatible with standard 4-bolt brake flanges and hub & drum assemblies in the 10” x 2-1/4” size range. Ideal replacement for Dexter part numbers K23-026-00 (LH) and K23-027-00 (RH), and fits most 3.5K–4K trailer axles on utility trailers, camper trailers, boat trailers, cattle trailers, horse trailers and more. Includes: 2 x Electric Brake Assembly (Left/Driver Side) 2 x Electric Brake Assembly (Right/Passenger Side) 16 x Mounting Nuts 16 x Lock Washers Note: These brakes are manual-adjusting, and require periodic adjustment during use. Choose TrailerSupplies for dependable, high-quality trailer brake components that deliver lasting performance and value. ProductSiteLaunchDate : 2023-05-29T11:05:51.931Z Size : 2 Pair 10" x 2-1/4" Electric Brake StreetDate : 2015-05-16T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 25170000 WarrantyDescription : 2-Year Limited Warranty Covered against defects in materials and workmanship for two years from date of purchase. Warranty does not cover damage due to misuse, improper installation, accident, or normal wear and tear.