Specification AutomotiveFitType : universal_fit Brand : TRAILER SUPPLIES BulletPoint1 : 【Compatible with Dexter & Lippert Axles】 General-duty electric brakes designed for 8,000 lb trailer axles. Works with Dexter and LCI (Lippert) axle systems. BulletPoint2 : 【Standard 4-Bolt Mounting】 Features a 4" bolt circle and 3-7/8" center bore. Fits most standard 8K brake flange configurations. BulletPoint3 : 【Includes Left & Right Brake Assemblies】 2 × TRAILER SUPPLIES Electric Brake Assembly, Left Hand, 12-1/4″ x 2-1/2″, Self-Adjusting (77-1208-1) 2 × TRAILER SUPPLIES Electric Brake Assembly, Right Hand, 12-1/4″ x 2-1/2″, Self-Adjusting (77-1208-2) BulletPoint4 : 【Self-Adjusting Performance】 Automatically maintains proper clearance between shoe and drum, delivering consistent braking with less maintenance. BulletPoint5 : 【Replaces Dexter OEM Part Numbers】 Replaces Dexter K23-434-00 (LH) & K23-435-00 (RH); fully compatible with Dexter 8K axles for direct bolt-on replacement. BulletPoint6 : Built Standard: Care to Meet Industry Standards for Quality Control, Ensuring Reliable and Consistent Performance CompatibleWithVehicleType : Trailer ExteriorFinish : Painted FitType : Universal IncludedComponents : 2× TRAILER SUPPLIES Electric Brake Assembly, Left Hand, 12-1/4″ x 2-1/2″, Self-Adjusting (77-1208-1) 2 × TRAILER SUPPLIES Electric Brake Assembly, Right Hand, 12-1/4″ x 2-1/2″, Self-Adjusting (77-1208-2) ItemName : TRAILER SUPPLIES Electric Trailer Brake Assembly – 2 Pairs (4 pcs), Self-Adjusting, 12-1/4" x 3-3/8", Fits 8,000 lb Dexter Axles, Replaces K23-434-00 (LH) & K23-435-00 (RH) ItemPackageDimensions_Height : 14.5 inches ItemPackageDimensions_Length : 13.5 inches ItemPackageDimensions_Width : 10.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : trailer-brakes Manufacturer : Trailer Supplies Material : carbon steel ModelName : WA-77-1208-01/02 2Pair-New ModelNumber : 2Pair ModelYear : 2025 NumberOfItems : 4 OemEquivalentPartNumber : K23-434-00 (LH) & K23-435-00 (RH) Orientation : Dual PartNumber : WA-77-1208-01/02 2Pair-New PartTypeId : WA-77-1208-01/02 2Pair-New ProductDescription : Upgrade your trailer’s braking performance with this MAT Electric Trailer Brake Set, designed to fit 8,000 lb axles with a standard 4-hole brake flange. This set includes one left-hand (driver side) and one right-hand (passenger side) brake assembly—both fully preassembled with brake shoes, heavy-duty springs, and reliable magnets securely mounted on a durable backing plate. These self-adjusting brakes automatically maintain proper shoe-to-drum clearance, reducing maintenance and ensuring consistent, dependable stopping power. Built for compatibility with Dexter axles, these assemblies are ideal for utility trailers, livestock trailers, RVs, and more. ProductSiteLaunchDate : 2025-06-05T13:37:52.913Z SpecificationMet : ABEC 1 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 25170000 WarrantyDescription : 2 YEAR LIMITED WARRENTY