Specification AutomotiveFitType : universal_fit Brand : TRAILER SUPPLIES BulletPoint1 : Fits 5,200-7,000 lb Trailer Axles: Set of two 12" x 2" electric trailer brake assemblies designed for most 5,200 lb, 6,000 lb, and 7,000 lb axles. Features a standard 3-1/4" center bore diameter, perfect for heavy-duty towing applications. BulletPoint2 : 6-Lug or 8-Lug Wheel Compatibility: Compatible with trailer hubs using 6-lug or 8-lug bolt patterns. Fits #42 spindle size and steel brake drums. Bolt hole spacing: 2.0" center-to-center around the top, and 3.0" center-to-center across the bottom. BulletPoint3 : Direct Replacement for Popular Brands: Replaces Dexter part numbers K23-180-00 (LH) and K23-181-00 (RH), as well as Axletech B12E-22 (12x2). Also compatible with brake systems from AL-KO, Lippert, Besser Pro, Rockwell, Quality, and more. BulletPoint4 : Manual Adjustment Required: These brakes are not self-adjusting and must be manually adjusted upon installation and periodically thereafter—ensuring optimal braking performance and even shoe wear over time. BulletPoint5 : Built for Reliable Braking Power: Manufactured by TRAILER SUPPLIES using durable, high-performance components—making this brake kit a dependable and cost-effective solution for utility trailers, RVs, livestock trailers, and more. Color : Black ExternallyAssignedProductIdentifier : 3412369431147 ExternallyAssignedProductIdentifier1 : 649119795027 ExternallyAssignedProductIdentifier2 : 0649119795027 FitType : Universal GpsrSafetyAttestation : 1 IncludedComponents : 2 x Electric Brake Assembly (Left/Driver Side); 2 x Electric Brake Assembly (Right/Passenger Side) ItemDisplayWeight : 31 pounds ItemName : Trailer Supplies Electric Trailer Brake Assembly Kit – 12" x 2", 4-Pack (2 Left + 2 Right) for 7,000 lbs Axles, 5-Bolt Mounting, Compatible with Dexter & Most Standard Brake Systems ItemPackageDimensions_Height : 12 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 12 inches ItemPackageQuantity : 1 ItemTypeKeyword : trailer-brakes Manufacturer : Trailer Supplies Material : Alloy steel ModelName : Electric Trailer Brake Assembly 1201/1202 ModelNumber : WA-77-12-01/02 NumberOfBoxes : 1 NumberOfItems : 4 PackageLevel : unit PartNumber : WA-77-12-01/02 ProductDescription : Upgrade your trailer's braking performance with this TrailerSupplies 12"x2" Electric Brake Assembly Set, designed for 7,000 lb trailer axles. This high-quality brake kit includes two left-hand (driver side) and two right-hand (passenger side) brake assemblies — all preassembled with brake shoes, springs, and high-performance magnets mounted on durable backing plates. These electric drum brakes provide consistent braking force and are easy to maintain and install. The assemblies are compatible with Dexter part numbers K23-180-00 (LH) and K23-181-00 (RH), and also fit a wide range of axles including Dexter, AL-KO, Lippert, Besser Pro, Rockwell, and Quality. Built with premium-grade materials for durability, this set fits standard 5-bolt brake flanges and drum dimensions of 12" diameter x 2" width, with a 3-1/4" center hole diameter. Suitable for wheels sized 15" to 17.5", this kit is commonly used on utility trailers, camper trailers, livestock trailers, and more. Includes: 2 x Electric Brake Assembly (Left/Driver Side) 2 x Electric Brake Assembly (Right/Passenger Side) Choose TrailerSupplies for durable, reliable, and affordable trailer brake solutions designed for long-lasting performance. ProductSiteLaunchDate : 2025-05-29T20:26:34.108Z Size : 12"X2" StreetDate : 2023-06-23T00:00:01Z Style : Ultra Fab 48-979502 Hub & Drum - 7K, 8 x 6.5, 1/2"-20, 12" Brakes SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 25170000 WarrantyDescription : 2 Years Limited Warranty Against Defects in Materials and Workmanship