7" Trailer brake drum
7" Trailer brake drum is for 2000 lbs Axle, which features integrated Hub and Drum Kit with 5 on 4.5 inch bolt pattern (Model: K08-257-90) . Engineered to deliver reliable load capacity, consistent braking performance, and long-lasting durability, this complete hub drum kit is an ideal OEM replacement and upgrade solution for light-duty trailer axles, perfectly matching most standard 2000-pound trailer axle setups on the market.
This all-in-one kit comes fully pre-assembled and pre-greased with all necessary accessories for plug-and-play installation, including bearings, spindle sleeves, bolts, nuts, dust caps, and oil seals. Eliminating the hassle of separate part matching, additional greasing, and accessory sourcing, this complete package saves massive installation time and labor. Designed with a standard 5-lug 4.5-inch bolt pattern (5x4.5") and precise industry-standard overall dimensions, it offers universal compatibility with a wide range of trailer wheels, ensuring seamless, hassle-free installation with no additional modification required. Key dimensional specifications include a standard drum outer diameter of 10 inches, inner brake surface diameter of 9 inches, and a compatible spindle size tailored for 2000 lbs light-duty trailer axles.
Built to support a maximum axle load capacity of 2000 pounds, this hub drum kit adopts G3000 high-grade cast iron for the brake drum and premium structural steel for the hub body, featuring robust one-piece molding and rigorous heat treatment processes. The thickened drum braking surface made of standard G3000 cast iron delivers excellent structural stability, superior wear resistance, efficient heat dissipation, and outstanding brake fade resistance. It maintains stable and responsive braking performance even during long-distance towing, frequent stop-and-go travel, or load-bearing operations. The G3000 cast iron material also features outstanding tensile strength and anti-fatigue performance, effectively resisting deformation, rust, and corrosion, greatly extending the service life of the braking system and reducing frequent maintenance and replacement costs.
Perfectly suited for light-duty trailers, utility trailers, boat trailers, small cargo trailers, and residential towable equipment with 2000 lbs rated axles and 5x4.5" lug spacing, this pre-assembled hub drum kit simplifies your repair and upgrade work. Every component is precision-tested to meet strict industry quality standards, delivering dependable safety and consistent performance for daily towing and recreational use. Whether you are restoring an old trailer or replacing worn-out factory parts, this hub and drum kit provides a cost-effective, high-reliability solution to restore your trailer's braking and driving stability.
Key Features
- Exact Fit Specification & Standard Dimensions: Professional product model K08-257-90, rated for 2000 lbs axle load capacity, features standard 5 on 4.5 inch (5x4.5") bolt pattern, 10" outer drum diameter and 9" inner brake diameter, fully compliant with industry standard light trailer axle dimensions
- Premium G3000 Cast Iron Construction: Adopts industry-standard G3000 high-grade cast iron for brake drum and premium structural steel for hub assembly, providing exceptional wear resistance, structural stability, heat dissipation and corrosion resistance for long-term heavy-duty use
- Reliable Braking Performance: Precision-machined smooth braking surface ensures consistent, fade-free stopping power
- Complete Pre-Greased Kit with Full Accessories: Comes with all essential parts including precision bearings, spindle sleeves, mounting bolts, lock nuts, dust caps and oil seals. Pre-filled with high-temperature lubricating grease at the factory, ready for direct installation without extra greasing work
- Superior Stability & Safety: Strict factory precision machining ensures accurate wheel fit and stable rotation for safe towing
- Cost-Effective Replacement: Direct OEM replacement solves worn or damaged hub drum issues, extending trailer service life
Wide Applications
Ideal for all light-duty trailers with 2000-pound axles and 5x4.5" bolt pattern wheels, including utility trailers, boat trailers, small cargo trailers, landscape trailers, and other light towable equipment for residential and light commercial use.
Frequently Asked Questions (FAQ)
Q1: Will this hub drum kit fit my 2000 lbs trailer axle?
A1: Yes, this kit is specially engineered and rated for standard 2000-pound light-duty trailer axles. It matches factory axle specifications perfectly and serves as a direct OEM replacement for most 2K trailer axle setups without extra modifications.
Q2: What wheels are compatible with the 5 on 4.5 inch bolt pattern?
A2: The 5-lug 4.5-inch bolt pattern is a universal standard for most light trailer wheels. It is widely compatible with common trailer steel wheels and aluminum wheels that feature a 5x4.5" lug spacing, covering most light utility, boat and cargo trailer wheel configurations.
Q3: Does this kit come fully assembled for direct installation?
A3: Absolutely. This is a complete pre-assembled hub and drum kit. All core components are pre-fitted and inspected before shipment. You can directly install it on your trailer axle, which greatly saves your assembly time and labor costs.
Q4: What are the main advantages of this cast iron hub drum kit?
A4: This drum is made of professional G3000 high-grade cast iron with heat treatment process, matched with high-strength structural steel hub. G3000 cast iron features uniform texture, high hardness and excellent anti-fatigue performance, ensuring stable braking, fast heat dissipation and no brake fade during frequent braking. It also has great anti-rust, anti-corrosion and anti-deformation abilities for long-lasting service life.
Q5: Is this kit suitable for marine boat trailers?
A5: Yes, it works perfectly for boat trailers. The premium corrosion-resistant structure can cope with humid and slightly salty marine environments, providing stable braking performance for boat trailer towing, launching and landing operations.
Q6: What are the exact dimensions and model of this hub drum kit?
A6: The exact product model isK08-257-90. This hub drum kit adopts standard industry dimensions: 5 on 4.5 inch (5x4.5") bolt pattern, 10 inches outer drum diameter, 9 inches inner brake surface diameter. All dimensional data is strictly calibrated to match standard 2000 lbs trailer axles for precise installation and fitment.
Q7: What accessories are included in this hub drum kit?
A7: This full complete kit (Model: K08-257-90) comes with all necessary accessories: high-precision bearings, wear-resistant spindle sleeves, mounting bolts, fastening nuts, dust-proof caps and oil seals. All components are pre-greased with professional high-temperature grease in advance, no additional lubrication is needed during installation.
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